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GSC 100
User Manual
WARNINGS
GOOD product is an excellent navigation aid and but does not replace the need for careful orienteering and
good judgement Never rely solely on one device USE CARE
The Global Positioning System GPS is operated by the which is solely responsible for the accuracy of GPS
The accuracy of position fixes can be affected by the to GPS satellites made by the US is subject to change in accordance with the Department of
Defense civil GPS user policy and the Federal USE can also be affected by poor satellite the accuracy warnings appear on the
screen use the
data with extreme caution
USE PROPER only Magellan cables and antennas the use of non
Magellan cables and antennas may degrade performance or
damage the receiver and will void the warranty
LICENSE grants you the purchaser the right to use the
software supplied in and with the GSC 100 Global the SOFTWARE in the normal operation of
the equipment You may make copies only for your own
personal use and for use within your SOFTWARE is the property of MAGELLAN andor its
suppliers and is protected by United States copyright laws treaty provisions therefore you must treat this
SOFTWARE like any other copyright may not use copy modify reverse engineer or transfer
this SOFTWARE except as expressly provided in this license
All rights not expressly granted are reserved by its suppliers
RADIATION WARNING
Although no single value of safe
radiation level has been agreed upon
by all countries the American National
Standards Institute ANSILEEE C951
1992 recommends that people
should not be exposed to radiation
stronger than 1 milliwatt per square
centimeter at the frequencies used in
RADIO FREQUENCY RADIATION
the Magellan GSC 100 Due to the
GSC 100 transmission times being
very brief the amounts are well within
acceptable limits as set forth by the
American National Standards Institute
LIGHTNING WARNING
Due to the extension capability of the ORBCOMM located on the GSC 100 it is strongly advised of the GSC 100 cease when thunderstorm or
electrical storm conditions are present
OBTAINING LICENSING FOR ORBCOMM
of the ORBCOMM System outside the United States has
only been authorized by a limited number of Authorities Use of the ORBCOMM the United States is permissible only when all
necessary permits approvals and have been
received from the applicable foreign Governmental addition use of the GSC 100 outside the United States is
only permissible if it has been type approved for use in that
country or territory Both the ORBCOMM System and the GSC
100 may need to be approved prior to use in a foreign country
or territory For information on those countries or territories in
which use of the ORBCOMM System and the GSC 100 please contact ORBCOMM or your local NOTICE OF COPYRIGHT 1998 Magellan Corporation 960
Overland Court
San Dimas CA 91773 USA World Rights Reserved
No part of this publication may be stored in a retrieval or reproduced in any way including but not limited
to photocopy photograph magnetic or other record without
the prior written permission of Magellan Systems GSC 100TM are the trademarks of is the trademark of Orbital is a registered service mark of LP
Part No 1
Welcome to the GSC 100 1
Packing List 2
Conventions Used in this Manual 2
Messaging Activation 3
GETTING STARTED 4
Receiver Description 4
Keypad Description 4
Softkeys 5
Arrow Keys 5
Power Key 5
Light Key 5
Home Key 5
Menu Key 5
Enter Key 5
Escape 6
Alphanumeric Keys 6
Installing the Battery 7
Charging the Battery 8
Turning the Receiver ON OFF 9
GPS 9
Proper Handling Signal Reception 12
System SYS Modes 14
GPS Mode 14
ORBCOMM Mode 14
AUTO Mode 14
Creating a GlobalGram 15
Sending a GlobalGram 18
Receiving a GlobalGram 20
Your First Position 21
Saving Your First Waypoint 22
Creating a 25
Navigating with the GSC 100 25
REFERENCE 26
General 26
Turning the Receiver 26
Turning the Receiver OFF 27
Inputting Data 27
Turning the Light ON and OFF 27
The Main Menu 28
System SYS Modes 29
GPS Mode 29
ORBCOMM Mode 29
AUTO Mode 29
Messaging Operations 30
Selecting ORBCOMM Mode 30
Preferred Gateway Control Center GCC 32
Default Characters 33
Font Size 33
Display Characters Setting 34
Auto Message Check 35
Address Book 36
Viewing an Address 36
Creating a New Address 37
Editing an Address 38
Deleting an Address 38
Capturing an Address 39
GCC Addresses Speed Dial 40
Messages 41
Requesting Message Check 41
Messaging Icons 42
Viewing Received GlobalGrams 43
Creating a GlobalGram 45
Sending Standard GlobalGrams 47
Sending STORE FWD Globalgrams 49
Sending a GlobalGram to a GSC 100 51
Selecting Recipients from the Address Book 52
Inserting Symbols Characters into GlobalGrams
Viewing Created GlobalGrams 54
Accessing the Mailbox 55
Editing a GlobalGram 56
Copying a GlobalGram 57
Replying to a GlobalGram 58
Forwarding a GlobalGram 59
Deleting a Message 61
Message Status 62
GPS Operations 63
Selecting GPS Mode 63
GPS Icons 64
NAV Screens 65
Viewing the POSITION Screen 65
Viewing the NAV 1 Screen 66
Viewing the NAV 2 Screen 66
Customizing the NAV Screens 67
NAV 1 Screen 68
NAV 2 Screen 69
PLOT Screens 69
Viewing the POINTER Screen 69
Viewing the PLOT Screen 70
Changing the Plotter Scale 71
Using PAN N SCAN 71
Setting a GOTO Using PAN N SCAN 72
Clearing Plotter Track 72
Viewing the ROAD Screen 73
Waypoints 73
Saving a Position Fix as a Waypoint 73
Receiver Generated Waypoint Name 74
User Defined Waypoint Name 74
Creating a Waypoint 75
Accessing the Waypoint Menu 76
Viewing a Waypoint 77
Accessing the Waypoint Function Menu 78
Editing a Waypoint 78
Projecting a Waypoint 79
Deleting a Waypoint 80
Routes 81
Activating a GOTO Route 82
Accessing the Route Menu 83
Creating a MultiLeg Route 84
Activating and Deactivating a Route 85
Reversing a Route 86
Viewing the Route Summary Edit 86
Viewing the Legs of a Route 87
Inserting a Leg in a Route 87
Deleting a Leg 88
Adding a Leg 89
Replacing a Waypoint 90
Navigating Activating a Leg 91
Deleting a Route 91
Creating an MOB Man OverBoard Route 92
Creating a Backtrack Route 92
Last Fix 92
Viewing a LAST FIX 93
Viewing the LAST FIX Trip Summary Screen 93
Setup Options 94
GPS Setup 94
Initializing the Receiver 94
Setting the Coordinate System 95
Setting the Elevation Mode 96
Setting Velocity Averaging 97
Setting Speed Units 97
Setting Distance Units 97
Setting Elevation Units 98
Setting North Reference 98
Selecting Map Datum 98
Selecting Waypoint Sort 99
Selecting the Last Fix Interval 99
Plot Setup 99
General Setup 100
Selecting Time Format 100
Setting the Light Timer 100
Sampling 101
Setting NMEA Port and Baud Rate 102
Selecting RS232 Port and Baud Rate 103
Selecting Clear Menu 103
Contrast Features 105
Viewing ORBCOMM SAT STATUS Screen 105
Viewing GPS SAT STATUS Screen 106
Viewing the Odometer 107
Resetting the Odometer andor Trip Odometer 107
Viewing the Clock 107
Viewing the SUNMOON 108
GPS Simulator 108
ORBCOMM Demo 109
Erasing Last Fixes 109
Accessing the ABOUT Screen 110
Erasing Track from the Plotter Screen 110
Erase All Waypoints from Waypoint List 110
Clearing Receiver Memory 111
Performing a Hardware 111
ICONS 112
Warnings and Other Messages 119
Contacting Customer Service 123
NMEA Data Messages 125
Available Datums Systems 135
What is GPS 138
What is ORBCOMM 141
Where to Get More Information 148
City Reference Chart External PowerDevices 157
Glossary 160
Index Welcome to the GSC 100
on your purchase of the Magellan GSC 100
Satellite Communicator the worlds first handheld global
satellite communicator You now have the ability to send and
receive GlobalGrams email messages to and from anywhere on
Earth Because the GSC 100 uses standard email protocols
sending and receiving GlobalGrams is easy Communicate to any
email Internet X400 address or another GSC 100 And with
its integrated GPS capability the GSC 100 not only lets you know
where you are it guides you anywhere you want to go You can
identify your position plot and track your course or store
waypoints Your GSC 100 will get you anywhere and back again
at the push of a button You can also relay your position to
anyone anywhere no matter how remote you may be with a
GSC 100 GlobalGram And with its rugged splashproof
construction the GSC 100 is ready for action no matter where
your adventures may take you
To help you get started using your new GSC 100 turn to the
section titled Getting Started This quickstart session will
have you sending and receiving GlobalGrams as well as
recording landmark locations and navigating in no time at all It
is important to note that prior to use you must activate the unit
within the ORBCOMM network as they are the service provider
Activation Instructions have been provided to assist you in
activating your GSC 100 A Quick Reference Guide has been
provided to assist in operating the unit while making your way
outdoors After youve learned the basics the rest of this manual
will give you detailed information about all the features and
functions of your GSC 100 Satellite Communicator A Reference
Section and Appendix with Glossary are
included as GSC 100 Global Satellite Communicator 1
Packing List
Before you begin using your new unit make sure that all the
items listed on the GSC 100 box are included If any of the items
are missing or damaged contact Magellan customer service
immediately at 800 7079971
Optional accessories are available from your local GSC 100
Global Satellite Communicator Used in this Manual
The reference section of this manual is designed to assist you in
the use of your GSC 100 Each topic in the reference section
includes a brief description of the activity chosen as well as a
detailed description of the keys to press and sample screens
showing how the function is performed In the reference section
you will be given instructions to follow Bolded words indicate
the key or keys to be pressed italics indicate the name of the
screen to be viewed and ALL CAPS indicate a menu item to be
selected
Also in the reference section are alerts to inform you of some
cautions or notes that will assist you in using your Magellan GSC
100 Satellite The stop sign indicates the information enclosed is very
important and should be read before moving on
The Magellan logo denotes information that can help you use or
understand your receiver While this information is not required
to perform the activity it may provide you with a better
understanding of the activity or shortcuts you can use
2 Magellan GSC 100 Global Satellite Messaging Activation
Prior to use your GSC 100 unit must be activated within the
ORBCOMM network by your local service provider A set of
Activation Instructions have been included with your GSC 100 to
guide you through the activation process Included in the
Activation Instructions are the instructions forms payment
information and a list of contacts Activation allows your service
provider to open an active account so that you can begin to send
and receive GlobalGrams using your GSC 100 During the
activation process you will receive a unique email address for
your GSC 100 Future system enhancements or issues will be
communicated to you to keep you up and running Activation
procedures differ from country to country and should be verified
by your local service provider
To legally operate a GSC 100 it is the of the user
to obtain permission from the local regulatory authorities of the country you are operating within
Using your GSC 100 in any country without permission causes
you to run the risk of confiscation of your unit or legal action
from local authorities Normal practice for taking
equipment into another country is to apply
for a license prior to travel If a license has not been obtained
before travel the equipment may be put into storage by local
authorities until such time as a license is obtained
During the activation process you will need the serial number for
your unit The serial number can be found on the outside of your
GSC 100 box on a sticker on the inside of the battery door on
the COPYRIGHT screen displayed during startup or on the
ABOUT screen accessed from the GENERAL SETUP menu
Also prior to using the messaging capabilities you must initialize
your GSC 100s GPS receiver This will allow the unit to acquire
a position and find the ORBCOMM satellites needed to transmit
receive GlobalGrams as well as display the ORBCOMM satellite
GSC 100 Global Satellite Communicator 3
GETTING STARTED
Receiver Description
This section will outline the basic layout of the GSC 100 and the
functions associated with the various keys
Keypad Description
The GSC 100 keypad consists of four SOFTKEYS a fourway
arrow keypad a POWER key a LIGHT key a HOME key a
MENU key an ESCAPE key an ENTER key and 30
ALPHANUMERIC keys
GPS Antenna
inside receiver
4way Arrow Keypad
Softkeys
MENU Key
POWER Key
RS232NMEA
Ext Power Port
LIGHT Key
HOME Key
ESCAPE Key
External GPS Antenna Port
ENTER Key
Telescopic Antenna symbols and extends upward
when removed used as external ORBCOMM antenna port
4 Magellan GSC 100 Global Satellite Softkeys
There are four softkeys which are located just below the GSC 100
screen These softkeys are used to control the operation of the
unit and provide you with specific options particular to a given
screen or function Softkey function designations appear at the
bottom of the screens and correspond to the options listed These
options differ from screen to screen To execute any option listed
press the corresponding softkey
Arrow Keys
The fourway arrow keypad is used to scroll through menu items
or to move the cursor during alphanumeric entries When one of
the arrow directions is pressed the cursor will continue to move
until the key is released
Power Key
The Power key turns the unit ON or OFF
Light Key
This key controls the backlights for the screen and keypad
Home Key
The Home key returns the user to the Main Menu screen from any
function within the unit
Menu Key
The Menu key calls up a menu of available functions relative to
the current screen display
Enter Key
The Enter key accepts data input and is used to select items from
menu GSC 100 Global Satellite Communicator 5
Escape Key
The Escape key is used to cancel the last executed action For
example if pressing the Enter key from a menu allows the user to
view Satellite Status then pressing the Escape key immediately
after the Enter key will return the user to the previous Keys
The Alphanumeric keys are labeled with two characters each
Primary characters are the letters and secondary characters are
numbers and symbols located in the upper right corner of the
keys To access the secondary characters press the ALT key and
then press the key containing the number or symbol that you wish
to use To type capital letters you must have the CAPS key
depressed prior to pressing the key Both the ALT and CAPS
keys are toggle keys so you will have to press them again to de
activate them To access symbols that are not found on any of the
keys press the ALT key and then the SYM key which is the
symbol key when in the ALT mode A symbol popup menu will
appear allowing you to move through it using the ARROW
keypad When you find the
symbol you wish to use highlight POS TIME DATE
it press ENTER and it will be
inserted where the cursor is
positioned Within the SYMBOLS
MENU there is also an option to
include the TIME DATE or
6 Magellan GSC 100 Global Satellite Position POS into your GlobalGram The POS information is
your last calculated GPS coordinates including time date and
datum stamp This information can be edited within the message
Installing the Battery
The GSC 100 runs on either external power or battery power
Prior to using your GSC 100 you should open the battery door
make sure the battery pack is connected and then apply external
power to charge the battery as it ships uncharged
The unit uses one 96 VDC Rechargeable NiCad Battery Pack
installed in the snapopen back panel
Press down when connecting or disconnecting the two clips
GSC 100
Battery Clip
GSC 100 Battery Clip
Battery Pack Clip
Battery Pack
Battery Pack Clip
Battery Door
Latch Battery Door
To install the battery pack turn the GSC 100 on its face
making sure to protect the screen and keypad Using a finger
push the battery door latch shown above downward Holding
the battery door from both sides open it towards you GSC 100 Global Satellite Communicator 7
out the battery pack and release the snap on the side of the
battery pack clip shown above Pull the GSC 100 and the
battery pack clips apart You will have up to fifteen minutes to
replace the battery before internal memory messages
addresses waypoints and routes is lost Take a replacement
NiCad battery pack available from Magellan and clip it onto
the GSC 100 battery clip and close the battery the Battery
When the battery is low depicted by the low battery icon shown
in the status bar you will need to recharge it for further use To
charge the 96 VDC Rechargeable NiCad Battery Pack supplied
with your GSC 100 you will need to connect the data power
extension cable to the RS232Power port located on the side of
the unit Then connect the AC power cable into the data power
extension cable and plug into external power You will be able to
operate the unit while the battery is charging although it will take
longer to charge It is recommended that you charge the battery
while you are not using your unit to assure that the battery pack
gets fully charged It will take 6 hours of charging
to fully recharge the battery pack
It is imperative that when connecting external power to your
GSC 100 the connectors are properly aligned so as not to
damage the pins
8 Magellan GSC 100 Global Satellite Only the 96 VDC Rechargeable NiCad
Battery Pack will work with your GSC 100 Do not attempt to
use any other batteries as they may not work with your unit and
any damage caused by their use will void the warranty
Turning the Receiver ON OFF
To turn the GSC 100 ON press the POWER key and wait for
the unit to scroll through the startup screens
To turn the unit OFF press the same POWER key This will
start a shutdown sequence that counts down the seconds until the
unit actually turns OFF To immediately turn the receiver
OFF press the POWER key again This bypasses the
countdown and the unit turns OFF GPS When you are using the unit for the first time move the unit 300
or more miles without the unit taking a position fix or perform a
system reset you will need to initialize the GSC 100 with the
current location elevation local time and date information This
is because the constellation of 24 GPS satellites circling the globe
are in constant motion and before your receiver can tell you
where you are it needs to know roughly where the satellites are
relative to itself It does this with the use of an almanac where it
has stored in memory a general location a time and a date The
almanac tells the receiver which satellites will be in view Using
the location and time you enter the receiver can quickly find
satellites and calculate your position sooner Without
the unit will take a longer period of time to provide
position information or locate GPS or ORBCOMM GSC 100 Global Satellite Communicator 9
Upon powerup the unit will scroll
through three initial ID screens
stopping on the ATTENTION
screen The first screen is the
MAGELLAN ID screen
MAGELL AN
The next screen to be displayed is
the COPYRIGHT and POWER COPYRIGHT 1998
SOURCE screen MAGELLAN CORP
BATTERY
POWER
The final screen is the ORBCOMM
ID screen
ORBCOMM
The ATTENTION screen prompts
ATTENTION
you to initialize the unit prior to GPS further use By pressing ENTER
PRESS ENTER TO
you will be brought to the INITIALIZE OR
screen where you ESCAPE TO
CONTINUE
will enter your location time and
date information Press ENTER
If your unit does not display the ATTENTION screen on power
up go to the SETUP OPTIONS section of this manual for
further Magellan GSC 100 Global Satellite The first character in the latitude A
line is highlighted indicating that it INITIALIZE
can be edited Using the City 00 0000N
000 0000W
Reference Chart located in the
back of this manual enter the
coordinates of the city that is
closest to your location Use the
ARROW KEYPAD or NUMBER
keys to enter your latitude and
press ENTER This accepts the
new data and brings up the
longitude line Use the ARROW L
INITIALIZE
KEYPAD or NUMBER keys to
enter your longitude and press 34 0000N
118 0000W
ENTER This accepts the new
00000 FT
data and brings up the elevation
line If you know your elevation
enter it on this line and press
ENTER If you do not know your
elevation simply press ENTER to
accept the default value The
receiver will now prompt you for A
the local time in 12hour AMPM INITIALIZE
format Take extra care to input 34 0000N
the time correctly to within 10 118 0000W
minutes including the AMPM 00000 FT
designator Use the ARROW 0823AM
KEYS and the numeric keys to
input the correct time
Daylight Savings time does not affect the time in your unit as
long as you take a position fix after entering your local time
This allows the satellite to correct any time GSC 100 Global Satellite Communicator 11
When the time is correct press L
INITIALIZE
ENTER Your receiver requires
just one more piece of information 34 0000N
118 0000W
the date Use the ARROW KEYS
00000 FT
and the numeric keys to input the 0823AM
correct date Press ENTER 02SEP97
Once you have completed the
of the GSC 100 you 823A
will be brought back to the MAIN MAIN MENU
ORBCOMM SATS
MENU Time and date will not
0901P TO 0914P
be displayed if the receiver has 1021P TO 1035P
already acquired a satellite and UNREAD MSGS 0
received that information from it QUEUED MSGS 0
MSGS GPS SETUP Handling Signal Reception
Since the GSC 100 receives information it needs from satellites
orbiting the earth the antennas need to have a relatively
unobstructed view of the sky
Blocked or Partially Blocked View of
the Sky Physical obstructions will
block satellite signals from reaching the
receiver as may be the case with the
cliffs in the picture If you are unable to
get a position fix send or receive
messages move the receiver so it has a
clearer view of the sky
Clear View of the Sky The receiver
now has a clear view of the sky in all
directions allowing it to choose from all
of the satellites currently available Do
not attempt to use the unit in metal or
concrete structures as the signals will be
Magellan GSC 100 Global Satellite Due to the extension capability of the ORBCOMM telescopic
antenna located on the GSC 100 it is strongly advised that
operations of the GSC 100 cease when thunderstorm or
electrical storm conditions are present
The GSC 100 is designed to fit in your hand The unit can also be
mounted in a stand that can be purchased from your local GSC
100 dealer Hold the receiver with the antenna extended upwards
toward the sky and the unit comfortably in your hand and slightly
away from your body so that you can see the screen
If you are sending or receiving GlobalGrams the telescopic
antenna located on the side of the unit needs to be fully
extended If you are using the unit to navigate you do not
need to extend the telescopic antenna
Best reception will occur when the unit is operated away from
noise sources such as high voltage power lines and older
internal combustion engines If your unit is experiencing
difficulty in establishing contact with satellites move away
from any such noise sources that may be present Also due to
the radiation pattern of the ORBCOMM telescopic antenna you
may have better transmission quality if the antenna is held at an
angle to the transmitting ORBCOMM Do NOT place metallic decals or labels over the antenna portion
of the receiver Drastic reductions in signal levels can
significantly decrease the GSC 100s signal GSC 100 Global Satellite Communicator 13
System SYS Modes
This section outlines the different modes of operation used in the
GSC 100 There are three system or operating modes AUTO
MODE GPS MODE and ORBCOMM MODE
GPS Mode
The GPS mode should be engaged when the NMEA port is in use
for external marine products or an autopilot where a constantly
updated position fix is necessary All other GPS functions can be
utilized while in the AUTO mode The unit will not transmit or
receive messages while in this mode In GPS mode if your
receiver is not communicating with a GPS satellite and your time
and postion coordinates are incorrect your ORBCOMM satellite
pass schedule will be Mode
When in the ORBCOMM mode your receiver will continuously
listen for ORBCOMM satellites regardless of the satellite
schedule ORBCOMM mode should be used when it is
imperative that you send or receive GlobalGrams If there is a
scheduled pass at a certain time and you have a GlobalGram you
need to send or a GlobalGram you are expecting to receive you
would engage the ORBCOMM mode to ensure delivery or receipt
of these messages While in ORBCOMM mode position
information and satellite schedule are based on the last calculated
satellite fix GPS or AUTO modes need to be engaged to
continuously update the position of your Mode
The AUTO mode is the default operational mode as well as the
recommended mode of operation In AUTO mode if you do not
have any GlobalGrams queued or are not requesting messages
the unit will operate in GPS mode If an ORBCOMM satellite
comes into view and you have a GlobalGram queued or have
14 Magellan GSC 100 Global Satellite activated the request messages function the GSC 100 will
automatically switch to ORBCOMM mode perform the
necessary functions then switch back to the GPS
mode after complete or when the ORBCOMM satellite is no
longer in view The mode icon will change between current
operational modes as operation dictates You will be able to use
the ORBCOMM functions and still allow the unit to update
important position information needed to generate ORBCOMM
satellite schedules Conversely in AUTO mode if your receiver
is not communicating with a GPS satellite and your time and
postion coordinates are incorrect your ORBCOMM satellite pass
schedule will be inaccurate
Creating a GlobalGram
With your GSC 100 you have the ability to send and receive e
mailtype messages or GlobalGrams from anywhere in the
world In order to transmit a GlobalGram your unit must
have a clear view of the sky and the ORBCOMM antenna
must be fully extended and your unit in either ORBCOMM or
AUTO mode This section helps you get started sending
GlobalGrams with your GSC 100 The REFERENCE section of
this manual contains greater detail
Before you can use the ORBCOMM messaging functions you
must first complete the Activation Procedures using the
Activation Instructions that came with your GSC 100 If you
have not received these Activation Instructions contact
Magellan Customer Service at 800 GSC 100 Global Satellite Communicator 15
A STORE FWD GlobalGram is sent when your GSC 100 is
transmitting to an ORBCOMM satellite that is not in direct
communication with an ORBCOMM Ground Earth Station
This will be reflected by the presence of a broken double arrow
icon displayed in the status bar at the top of the screen when
you are outdoors and a satellite is in view You can only send a
STORE FWD GlobalGram to one speed dial address See
the REFERENCE section for message constraints as well as
instructions on SENDING STORE FWD
GLOBALGRAMS
STORE FORWARD GLOBALGRAM SEQUENCE
C C
OR OR C OR
OR
P 132P B A
P 133P B
P 134P B
P 135P
TO Don Smith TO
TEXT
5 SPEED DIAL 1 SPEED DIAL 1
PRESS ADBK
TO SELECT 2 SPEED DIAL 2
RECIPIENT 3 SPEED DIAL 3
4 SPEED DIAL 4
5 SPEED DIAL 5
TEXT ADBK SAVE SEND SELCT DESEL DONE TEXT ADBK SAVE SEND
TO SAVE SEND
TO MAILBOX
FOR TRANSMISSION
AT NEXT SAT PASS
A STANDARD GlobalGram is sent when your GSC 100 is
transmitting to an ORBCOMM satellite that is in direct
communication with an ORBCOMM Ground Earth Station
This will be reflected by the presence of a double arrow icon
displayed in the status bar at the top of the screen For a
complete description of all the icons displayed in the status
bar please refer to the ICONS section of this manual You
have the ability to send a STANDARD GlobalGram to seven
recipients maximum both primary and carboncopy recipients
combined
STANDARD GLOBALGRAM SEQUENCE
C GP C C C
OR GP
P 1219P S A
P 111P S
P 113P S
P 115P
TO CC TO SUBJECT
TEXT
Don Smith
CC ADBK SAVE SEND SUBJ ADBK SAVE SEND TEXT SAVE SEND
TO SAVE SEND
TO MAILBOX
FOR TRANSMISSION
AT NEXT SAT PASS
16 Magellan GSC 100 Global Satellite To compose and send a Status Bar
GlobalGram press the MSGS OR
B 107P
softkey from the MAIN MENU MESSAGE TYPE
You are now at the MESSAGE
LIST where you will press the STANDARD
STORE FWD
NEW softkey You will be
prompted to send either a
STANDARD GlobalGram or a
STORE FWD GlobalGram
If you are sending a GlobalGram to OR
B 110P
a recipient whos address you do TO
not have stored at the GCC your Don Smith
choice will be STANDARD Use
the UPDOWN ARROWs to
highlight STANDARD and press
ENTER You are now at the TO CC ADBK SAVE SEND
screen where you will manually
enter the address of the recipient using the
ALPHANUMERIC KEYS Your GSC 100 also contains an
address book where you can store your frequently used
addresses To create your address book refer to the
REFERENCE section of this manual for more details
You can move the cursor within these screens using the 4
way arrow keypad
GP C
Once you are back at the TO S A
P 111P
screen press the CC softkey Press CC TO
this key even if you do not have
any carboncopy recipients
because from the CC screen you
access the SUBJECT screen Enter
the carboncopy recipients using SUBJ ADBK SAVE SEND
the same procedures as were used
for the TO GSC 100 Global Satellite Communicator 17
Press the SUBJ softkey to enter the GP
P 113P
SUBJECT screen of this message SUBJECT
After entering the subject of your
message using the
ALPHANUMERIC KEYS press
the TEXT softkey This brings you
to the TEXT screen where you will TEXT SAVE SEND
enter the text of your message You GP
P 115P
have a 2000 character text screen TEXT
limit for STANDARD
GlobalGrams and a 229 character
text limit for STORE FWD
GlobalGrams Use the
ALPHANUMERIC KEYS to TO SAVE SEND
enter your message and press the
SEND a GlobalGram
After you have pressed the SEND softkey your message is
SENT to the MAILBOX where it is stored to be transmitted to
an ORBCOMM satellite at the next satellite pass To transmit
this message you must be outdoors away from any
obstructions with the unit held away from your body and
the ORBCOMM antenna fully extended Your unit must
be in either AUTO or ORBCOMM mode in order to
transmit to an ORBCOMM satellite
At the top of the screen in your unit will be a mailbox icon
with the flag in the up position This alerts you that the
message has been sent to the MAILBOX to be transmitted at
the next satellite pass Once the message has been transmitted
to the satellite this icon will disappear and be replaced in the
MESSAGE LIST by the mailbox icon with the flag in the down
Magellan GSC 100 Global Satellite You have the ability to monitor ORBCOMM satellite activity
from the SAT STATUS screen
From the MAIN MENU press the OR
B 417P
SATS softkey You are now at the ORBCOMM SATS
Z m
ORBCOMM SATS screen showing N
the location of the ORBCOMM
satellite being utilized as well as its
azimuth and elevation On the left
side of the screen is a signal 1 2 CLOCK GPS
strength bar showing that satellites
Satellite Being
strength The more the bar is filled Tracked Satellite ID
the better transmission you are User Location
getting Also below the satellite OR
B 417P
strength bar is both the closed ORBCOMM SATS
envelope and mailbox with the flag N
Z m
4 I
in the up position icons Next to D
these icons will be a number
showing how many unread
GlobalGrams you have and how 1 2 CLOCK GPS
many GlobalGrams have been sent
to the MAILBOX for transmission Satellite
When there is no ORBCOMM Strength Bar Satellite Track
satellite in view this screen lists the Messages Messages
Received To Be Sent
time of the next pass
For further details regarding the SAT STATUS screen refer to
the ADDITIONAL FEATURES section of this GSC 100 Global Satellite Communicator 19
Receiving a GlobalGram
In order for you to receive a GlobalGram with your GSC 100 you
must request your unit to check for messages Your unit must be
in either AUTO or ORBCOMM mode with a clear view of the
sky and the ORBCOMM antenna fully extended in order to
receive a transmission from an ORBCOMM satellite
To receive GlobalGrams from a OR
B 1250P
satellite you must first request your Flight Informa
CMHeeEtC inKg Mch SaG nS ge
unit to CHECK MESSAGES Do M A0 It
L0 B OyX n
this by pressing the MNU key from B0o a K 0
e 0s 0 M
CLaOt N
eT AR A
rr Sa
iv Tl
the MAIN MENU or the MESSAGE S Y S M O D E
Rental Car
LIST which will bring up a popup
Party Arrangem
menu with the options of CHECK NEW MSTAT ADBK DEL
MSGS MAILBOX CONTRAST OR
1251P
or SYS MODE Use the UP B
Flight Informa
DOWN ARROWs to highlight Meeting change
CHECK MSGS and press ENTER Boat Keys
This sends a request to the satellite Late Arrival
for any messages it may have Rental Car
received Your GSC 100 will send Party Arrangem
NEW MSTAT ADBK DEL
all queued messages prior to
checking for any incoming messages When you are
receiving a transmission from a satellite a double arrow icon
will be displayed at the top of your screen Any attachments to
incoming GlobalGrams will be stripped out prior to receipt
Upon receipt of a GlobalGram an envelope icon will appear at
the top of the screen To view this message return to the
MESSAGE LIST by pressing the MSGS softkey while at the
MAIN MENU The message you received will be preceded by
the envelope icon Use the UPDOWN ARROWs to highlight
the message and press ENTER This opens up the message for
you to read and changes the icon in front of it to an open
envelope icon while the envelope icon on the top of the screen
disappears Use the UPDOWN ARROWs to scroll through
the message
20 Magellan GSC 100 Global Satellite Your First Position Fix
In order for your GSC 100 to display accurate navigation
information as well as the ORBCOMM satellite pass schedule it
must first get a position fix This position fix allows the unit to
locate itself on the earth relative to the location of both GPS and
ORBCOMM satellites To get a position fix with your GSC 100
receiver you must be outside with a clear view of the sky and
away from any large obstructions buildings large trees etc
If your receiver is OFF press the POWER key to turn the
receiver ON or if you have just finished initializing the unit
press the HOME key to go to the MAIN MENU Your unit
needs to be in GPS or AUTO mode to get a fix Press the
GPS softkey and then the NAV softkey and then your unit will
display one of the NAV or PLOT screens Press the UP
DOWN ARROW until you get to the POSITION screen You
may also press the NAV softkey until the position screen is
displayed
The POSITION screen appears with GP
S 126A
the latitude longitude and elevation LATLON
34 0000N
that you entered during
The word 118 0000W
SEARCHING appears 900 FT
SEARCHING
indicating that the receiver is
searching the sky for satellites In a NAV PLOT GOTO AUX
short period of time the receiver
will locate the satellites and begin S 131P
LATLON
receiving information The first
34 0000N
indication of this is that the word
118 0000W
SEARCHING is replaced with a
900 FT
bar graph indicating the receivers
progress toward acquiring GPS
data from the satellites NAV PLOT GOTO GSC 100 Global Satellite Communicator 21
Within a few minutes the bar graph GP
d 133P
will disappear and be replaced with LATLON
the map datum This indicates that 34 0658N
117 4954W
your receiver has computed your
present position All position and 900 FT
navigation information will now WGS84
be based on the position NAV PLOT GOTO AUX
information Your First Waypoint
You now have a position fix that defines your current location
During GPS operation your receiver continuously computes your
position and displays that information on the POSITION screen
You can save this position in the receivers memory for later use
This stored fix is referred to as a waypoint A useful way to
record this would be to assign a unique name to the position
That way if you were to go to a new location you could use your
receiver to guide you back to the previous location
From the POSITION screen press
MNU which will bring up a list of SAVE POS
options Using the UPDOWN CREATE WPT
ARROWs highlight SAVE POS ROUTE MENU
and press ENTER This tells the CONTRAST
WPT PROJEC
receiver that you want to store the
SYS MODE
current position as a waypoint The
cursor is in the upper left corner GP 2 C
S d A
P 126P
and the arrows icon displayed at the SAVE POS
top of the screen lets you know that
you are in the edit mode Also the 34 1100N
CAPS mode is automatically 119 4302W
enabled as the entry will be made 900 FT
using capital letters Now name
NAV PLOT GOTO AUX
this Magellan GSC 100 Global Satellite The waypoint name can be created by the receiver or you can
input a name that means something to you If you press ENTER
without creating a name the receiver automatically assigns a
waypoint name Waypoint names assigned by the receiver
appear in the format WPxxx where the xxx is a sequential
number 001 002 etc Unless you select a different icon by
pressing the UPDOWN ARROW waypoint
names use the pin icon
GP 2
154P
To allow the receiver to name the
S d P
SAVE POS
waypoint press ENTER The WP001
screen to the right will appear 34 1100N
briefly and then the receiver returns 119 4302W
to the POSITION screen 900 FT
NAV PLOT GOTO AUX
All waypoint names begin with an icon You have the option of
choosing one of nine different icons plus one icon
shown below
AVAILABLE ICONS
a square a target
a double box a fish
a diamond a diving symbol
a left flag an anchor
a right flag a pin icon
These icons will be used to display the relative location of the
waypoint on the PLOT POINTER and ROAD screens
Now you will save your position but this time you will assign a
name to the GSC 100 Global Satellite Communicator 23
Press MNU highlight SAVE POS GP
d 133P
and press ENTER Select an icon LATLON
SAVE POS
by pressing the UPDOWN 2 4 WPT
CREATE 0000 N
1 1 8MENU
ROUTE 0000 W
ARROW
CONTRAST
900 FT
WPT PROJEC
WGS84
SYS MODE
NAV PLOT GOTO AUX
Selecting CREATE WPT instead of SAVE POS will allow you to
enter a waypoint exactly as described above with the additional
option of entering the latitude longitude and elevation of the
position See Creating Waypoints
After you have selected an icon for GP
P 154P
this waypoint use the ARROW or SAVE POS
ALPHANUMERIC keys to enter
the name that will be associated 34 1100N
119 4302W
with this waypoint This name will
900 FT
be used to distinguish this waypoint
from others you will create NAV PLOT GOTO AUX
When done press ENTER That
GP 2
S d
P 154P
position has now been saved as SAVE POS
DOCK
your first waypoint with the name
34 1100N
you have assigned You are now 119 4302W
returned to the last viewed NAV or 900 FT
PLOT screen NAV PLOT GOTO AUX
24 Magellan GSC 100 Global Satellite Creating a GOTO
In this section you will create a GOTO route to the waypoint that
you just created A GOTO is a direct line from your current
position to any waypoint you have saved in memory
To create a GOTO to the waypoint you just created press the
GOTO softkey This will bring up the GOTO screen where
you will use the UPDOWN ARROWs to highlight the
waypoint you just saved and press ENTER You have now
created a GOTO to the landmark named DOCK setup in the
preceding section Your GSC 100 returns to the last viewed
NAV screen and immediately begins computing the
information you need to get to DOCK no matter where you
are As you travel towards that position you will see the
information on the NAV1 and NAV2 screens showing you your
distance from that position
It is necessary to have a current position fix in order for the
receiver to compute navigation information If you do not have a
position fix the navigation information will be displayed with
dashes until a position fix is acquired
Navigating with the GSC 100
The GSC 100 has six different screens that provide you with
information that you can use to navigate by The POSITION
NAV 1 NAV 2 POINTER PLOTTER and ROAD screens
Press the NAV softkey and use the UPDOWN ARROWs to
cycle through the three screens showing navigation
information If you press the PLOT softkey and use the UP
DOWN ARROWs you will be able to cycle through an
additional three screens that graphically direct you towards
your desired GSC 100 Global Satellite Communicator This section explains the various functions of your receiver as
used in both the ORBCOMM and GPS modes and is organized in
this order Functions are listed in order of usage and are
accompanied by screen and keystroke Usage
The GSC 100 is used as an ORBCOMM Transceiver allowing
you to create receive forward and delete GlobalGrams that are
sent via ORBCOMM satellites from anywhere in the world In
ORBCOMM mode GlobalGrams can be created and sent edited
received forwarded copied replied to and deleted You will also
be able to attach important GPS position information to the
messages including the time and date It is also used as a GPS
Receiver computing position fixes which are stored as named
waypoints and used to create routes In GPS mode waypoints
can be viewed edited and projected to create new waypoints or
deleted Routes can be created activated deactivated reversed
edited and cleared This section covers these and other functions
which will enable you to take full advantage of your receivers
dual the Receiver ON
To turn the receiver ON press the POWER key If
the batteries are installed correctly or the external
power is properly connected the Magellan Copyright
and ORBCOMM screens will quickly flash on the
screen followed by the MAIN MENU
If these screens do not appear please check that the battery
installation andor external power is properly connected and
turned ON
26 Magellan GSC 100 Global Satellite Turning the Receiver OFF
To turn the receiver OFF press the POWER key
The POWER DOWN screen is displayed for five PWR
seconds Pressing the POWER key again before the
counter reaches 1 will cause the receiver to turn
OFF immediately pressing any other key will stop
the receiver from turning OFF
Inputting Data
The UPDOWN and LEFTRIGHT
ARROWs have two functions depending on
how the ARROW ICONS are displayed in the
top right corner of the various screens next to
the time
Some screens use the UPDOWN and LEFTRIGHT ARROWs
to access additional pages while on other screens they allow you
to input data such as waypoint names or coordinates or to select
menu items You will also be able to move the cursor within the
text field while CREATING A MESSAGE
The ARROW ICONS in the status line indicate which mode is
currently being used Whenever there are additional screens to
view from the one displayed the receiver shows UPDOWN
ARROW icon in the upper right corner of the display
Turning the Light ON and OFF
To activate the display light press the LIGHT key
To deactivate the display light press the LIGHT key
again
The receiver will indicate that the light is ON with a
light bulb icon in the status line to the left of the
arrow icons
Use of the display light causes an increase in battery drain
resulting in shorter battery life See the section of
this manual for the approximate battery GSC 100 Global Satellite Communicator 27
The Main Menu
Once the unit has scrolled through the startup screens the MAIN
MENU will be displayed This is where you will access
messaging functions GPS functions setup parameters or satellite
status information These are accessed through the softkey
options of MSGS GPS SETUP and SATS This screen also lists
the next two ORBCOMM satellite passes as well as alerting you
to the number of UNREAD and QUEUED messages Unread
messages are GlobalGrams that have been received but not
opened or read and are depicted by the envelope icon Queued
messages are GlobalGrams that have been sent to the MAILBOX
to be transmitted during the next available ORBCOMM satellite
pass They are depicted by the mailbox with the flag in the up
position icon You may also access the MAIN MENU from
anywhere in the unit by pressing the HOME key
Operating Mode Icon Current Time
Status Bar
S 1030A
MAIN MENU
ORBCOMM Satellite Schedule ORBCOMM SATS
0 8 11 P T O 0 8 1 6 P
0901P TO 0914P of Unread Messages
UNREAD MSGS 0
QUEUED MSGS 0
MSGS GPS SETUP SATS
of Messages awaiting
Messaging Functions Functions Setup Parameters Satellite Status
Additional ORBCOMM satellite pass times can be found on the
ORBCOMM SAT STATUS screen To access this screen please
refer to VIEWING ORBCOMM SAT STATUS SCREN
located in the ADDITIONAL FEATURES section of this
manual
28 Magellan GSC 100 Global Satellite System SYS Modes
This section outlines the different modes of operation used in the
GSC 100 There are three system or operating modes AUTO
MODE GPS MODE and ORBCOMM MODE
GPS Mode
The GPS mode should be engaged when the NMEA port is in use
for external marine products or an autopilot where a constantly
updated position fix is necessary All other GPS functions can be
utilized while in the AUTO mode The unit will not transmit or
receive messages while in this mode In GPS mode if your
receiver is not communicating with a GPS satellite and your time
and postion coordinates are incorrect your ORBCOMM satellite
pass schedule will be inaccurate
ORBCOMM Mode
When in the ORBCOMM mode your receiver will continuously
listen for ORBCOMM satellites regardless of the satellite
schedule ORBCOMM mode should be used when it is
imperative that you are able to send or receive GlobalGrams If
there is a scheduled pass at a certain time and you have a
GlobalGram you need to send or a GlobalGram you are
expecting to receive you would engage the ORBCOMM mode to
ensure delivery or receipt of these messages While in
ORBCOMM mode position information and satellite schedule
are based on the last calculated satellite fix GPS or AUTO
modes need to be engaged to continuously update the position of
your receiver
AUTO Mode
The AUTO mode is the default operational mode as well as the
recommended mode of operation In AUTO mode if you do not
have any GlobalGrams queued or are not requesting messages
the unit will operate in GPS mode If an ORBCOMM satellite
comes into view and you have a GlobalGram queued or GSC 100 Global Satellite Communicator 29
activated the request messages function the GSC 100 will
automatically switch to ORBCOMM mode perform the
necessary functions then switch back to the GPS
mode after complete or when the ORBCOMM satellite is no
longer in view The mode icon will change between current
operational modes as operation dictates You will be able to use
the ORBCOMM functions and still allow the unit to update
important position information needed to generate ORBCOMM
satellite schedules Conversely in AUTO mode if your receiver
is not communicating with a GPS satellite and your time and
postion coordinates are incorrect your ORBCOMM satellite pass
schedule will be Operations
This section aids in the setup and operation of the Messaging
portion of your GSC ORBCOMM Mode
Although it is recommended that you operate your GSC 100 in
AUTO mode there are times when you will need to operate
solely in ORBCOMM mode To select ORBCOMM mode
complete the following steps
While in the MAIN MENU press 1026A
the MNU key This brings up a MAIN MENU
popup menu with the options of C HECK M
ORBCOMM SGS
SATS
CONTRAST and SYS MODE 0 8M
01A I L0
P B
T0OX
O 00 8
0 9C
0 O1N
P TT ROAS09T 1 4 P
Using the UPDOWN ARROWs UNREAD MSGS 0
S YS MO DE
highlight SYS MODE and press QUEUED MSGS 0
ENTER MSGS GPS SETUP SATS
30 Magellan GSC 100 Global Satellite You are now at the SYSTEM 1028A
MODE screen where you will use SYSTEM MODE
AUTO MODE
the UPDOWN ARROWs to GPS MODE
highlight ORBCOMM MODE and ORBCOMM MODE
press ENTER
This activates the ORBCOMM S 1030A
MAIN MENU
Mode and returns you to the MAIN ORBCOMM SATS
MENU with the ORBCOMM 0 8 11 P T O 0 8 1 6 P
identifier in the status bar You can 0901P TO 0914P
now transmit and receive UNREAD MSGS 0
GlobalGrams while outdoors away QUEUED MSGS 0
from any obstructions during an MSGS GPS SETUP SATS
ORBCOMM satellite pass
If not already done in the activation process the final step to
begin using your GSC 100 messaging functions is to choose your
Preferred Gateway Control Center The GCC will be responsible
for routing your messages through ORBCOMM as well as billing
issues Entering the ID of the GCC that you will be using ensures
that your messages will automatically be routed through that
GCC then forwarded through ORBCOMM The GSC 100 will
default to the US GCC which is 001 It is recommended that you
complete the following procedures to make sure that 001 is the
GCC chosen For users registering outside the US check with
your service provider to obtain the correct GCC ID
Additional information is contained in the Activation
GSC 100 Global Satellite Communicator 31
Preferred Gateway Control Center GCC
This function allows you to input the Primary GCC that you will
be registered with to send and receive GlobalGrams
From the MAIN MENU proceed to OR
B 1031A
the SETUP MENU by pressing the ORBCOMM SETUP
GCC ID
SETUP softkey Using the UP DEFAULT CHAR
DOWN ARROWs highlight FONT SIZE
ORBCOMM SETUP and press DISPLAY CHARS
AUTO MSG CHEK
ENTER This will bring you to the
ORBCOMM SETUP MENU where
you will highlight GCC ID and
press ENTER
You will now be at the OR
T 1033A
PREFERRED GCC screen where PREFERRED GCC
you will enter the ID of the
Gateway Control Center that you ENTER GCC ID 001
will be utilizing The GCC ID for
the US is 001 After inputting the
ID of your choice press ENTER
which brings up a screen alerting OR
B 1034A
you that to update the unit with the PREFERRED GCC
GCC ID you have just entered the PRESS ENT TO
ACTIVATE
unit will reboot Press ENTER to GCC ID
continue or ESC to cancel the SYSTEM WILL
REBOOT
action and return to the previous
screen ESC TO CANCEL
If you clear your GSC 100s memory or perform a hardware
reset the unit will not be reset to a default GCC ID The last ID
you entered will remain as the PREFERRED GCC ID
32 Magellan GSC 100 Global Satellite Default Characters
This function allows you to choose the default character set that
will be used when inputting information and creating
GlobalGrams You will have the choice of upper or lower case
with the initial factory setting being upper case When creating a
GlobalGram you can use the CAPS key to switch between
UPPER and LOWER case letters
Access the ORBCOMM SETUP OR
B 1036A
MENU by pressing the SETUP D E F AU LT C H A R
UPPER CASE
softkey from the MAIN MENU and LOWER CASE
use the UPDOWN ARROWs to
highlight DEFAULT CHAR and
press ENTER You will now be at
the DEFAULT CHAR screen where
you will use the UPDOWN
ARROWs to highlight either UPPER CASE or LOWER
CASE When you have highlighted the setting of your choice
press ENTER which will return you to the ORBCOMM
SETUP MENU
Font Size
This option allows you to select the font size that will be used to
display data on various messaging screens The options available
are small medium and large
1039A
Access the ORBCOMM SETUP B
FONT SIZE
MENU by pressing the SETUP LARGE FONT
softkey from the MAIN MENU use MEDIUM FONT
the UPDOWN ARROWs to SMALL FONT
highlight FONT SIZE and press
ENTER This will bring you to the
FONT SIZE screen where you will
have the options of small medium
and large Use the UPDOWN ARROWs to highlight the size
you prefer and press ENTER returning you to the
ORBCOMM SETUP GSC 100 Global Satellite Communicator 33
Display Characters Setting
This setting allows you to view the spaces and carriage returns
that are present in messages that you are sending or have
received Because messaging costs are based on the number of
characters this feature allows you to see exactly how many
characters are being used in a message Spaces are represented
by dots in the middle of line while carriage returns are
represented by a paragraph symbol
By accessing the DISPLAY CHARS feature you are able to
SHOW CHARS or HIDE CHARS By selecting HIDE CHARS
which is the default setting your unit will not display the spaces
or carriage returns while you are creating editing or viewing a
message When you select SHOW CHARS your unit will show
the spaces and carriage returns when you are creating editing or
viewing a message
Access the ORBCOMM SETUP B 1041A
DISPLAY CHARS
MENU by pressing the SETUP
SHOW CHARS
softkey from the MAIN MENU and HIDE CHARS
use the UPDOWN ARROWs to
highlight DISPLAY CHARS and
press ENTER You will be
brought to the DISPLAY CHARS
screen where you will use the UP
DOWN ARROWs to highlight
either SHOW CHARS or HIDE OR C
149P
CHARS When you have TEXT
highlighted the desired setting The meeting is now
press ENTER This will accept the 9AM in Room 4
setting you have chosen and return Ill call you if it
you to the ORBCOMM SETUP changes
MENU with the next line
TO SAVE SEND
Magellan GSC 100 Global Satellite Auto Message Check
This feature allows you to set your GSC 100 to check for GlobalGrams at specified intervals You can access the
AUTO MSG CHEK screen and choose from a menu of interval
times to have the unit automatically check for received messages
From the MAIN MENU press the OR
B 1041A
softkey corresponding to SETUP ORBCOMM SETUP
GCC ID
Use the UPDOWN ARROWs to DEFAULT CHAR
highlight ORBCOMM SETUP and FONT SIZE
press ENTER This brings you to DISPLAY CHARS
AUTO MSG CHEK
the ORBCOMM SETUP MENU
where you will highlight AUTO
MSG CHEK and press ENTER
You will now be at the AUTO MSG OR
B 1042A
CHEK screen where you will have A U T O MS G C H E K
the following message checking OFF
interval options OFF 1 HOUR 2 1 HOUR
2 HOURS
HOURS 4 HOURS 8 HOURS and 4 HOURS
24 HOURS Using the UPDOWN 8 HOURS
ARROWs highlight the interval of 24 HOURS
your choice and press ENTER
The unit will automatically check
for messages during the
ORBCOMM satellite pass closest
to the frequency specified
regardless of the operation you are
performing at that time as long as
you are in AUTO or ORBCOMM
Mode
The GSC 100 must have a clear view of the sky in order to
globalgrams from an ORBCOMM GSC 100 Global Satellite Communicator 35
Address Book
The address book accessed from the MESSAGE LIST allows you
to store frequently used addresses as well as speed dial addresses
It saves you time when creating a GlobalGram by allowing you to
choose an address from a preset list that you have already created
You are able to save up to onehundred and fifty 150 addresses
in the unit and eight speed dial addresses at the GCC during
activation You are able to view edit create and delete addresses
while working in the address book Addresses that are preceded
by a number alert you that they are speed dial addresses stored at
the Gateway Control Center and cannot be edited from your unit
To access the ADDRESS BOOK you will press the MSGS softkey
from the MAIN MENU You will then press the ADBK softkey
Addresses are listed by the nickname you have
given them You will be able to locate a nickname very quickly
by pressing the alphanumeric key of the first letter of
the nickname desired In the event that there are no nicknames
associated with the letter chosen the nickname beginning with
the next alphabetic character will be displayed
The UPDOWN ARROWs allow OR
P 1221P
you to move through the list one Don Smith
address at a time while the LEFT 1 SPEED DIAL 1
2 SPEED DIAL 2
RIGHT ARROWs allow you to
3 SPEED DIAL 3
page through the list until the final
4 SPEED DIAL 4
address is highlighted Pressing the 5 SPEED DIAL 5
ESC key from the address list will SELCT DESEL SAVE
return you to the MESSAGE LIST
Viewing an Address
This allows you to view the address and name associated with the
nickname listed in the address book
36 Magellan GSC 100 Global Satellite To view an address proceed from the MESSAGE LIST to the
ADDRESS BOOK by pressing the ADBK softkey Use the
UPDOWN ARROWs to highlight the address to view and
press ENTER This will bring up a screen showing all the
information associated with that particular address If the
address is too long for the screen use the UPDOWN
ARROWs to scroll down and view the whole address
You will have the softkey options OR
P1055A
of NEW EDIT or DEL Press the
NAME
softkey corresponding to the option DonSmith
you wish to choose If you want to
exit without using these options ADDRESS
press the ESC key and you will be
returned to the address book with NEW EDIT DEL
the address you just viewed
highlighted
Creating a New Address
This function allows you to input a new address into your address
book using a nickname as the identifier
Access the ADDRESS BOOK by OR
P 1110A
pressing the ADBK softkey from NAME
the MESSAGE LIST and press the DON
NEW softkey You will be
prompted for a nickname for the
address you are about to enter
This nickname can be a maximum ADRS SAVE
of twenty 20 characters in length
although only fourteen 14 OR C
P 1112A
characters will be visible in the ADDRESS
ADDRESS LIST Use the donsmithaol
ALPHANUMERIC KEYS to
enter the nickname and then press
the ADRS softkey to enter the
address for this nickname using the NAME SAVE
ALPHANUMERIC GSC 100 Global Satellite Communicator 37
Once the address has been entered press the SAVE softkey
This will save that address under the nickname you specified
You are then brought back to the ADDRESS BOOK with the
address you just entered highlighted
When a GlobalGram is created using an address from the
ADDRESS BOOK the nickname is displayed not the actual
address However when transmitted to the satellite the message
is sent to the nicknames actual email address The nickname is
provided to help you quickly recognize addresses that you use
more frequently than an Address
This allows you to edit an existing address you have stored in the
unit
To EDIT an existing address OR
P 1113A
access the ADDRESS BOOK by DON
1 SPEED DIAL 1
pressing the ADBK softkey from
2 SPEED DIAL 2
the MESSAGE LIST Use the UP 3 SPEED DIAL 3
DOWN ARROWs to highlight the 4 SPEED DIAL 4
address to edit and press the EDIT 5 SPEED DIAL 5
softkey Use the NEW EDIT MSGS DEL
ALPHANUMERIC KEYS to
1202P
change the address If you begin to B
ATTENTION
edit an address but need to exit ADDRESS NOT SAVED
during the operation press the ESC
key Selecting YES will save the
new address changes Selecting
NO will undo the changes and SAVE ADDRESS
YES NO
retain the original an Address
This function allows you to delete an existing address from the
ADDRESS BOOK You cannot delete a speed dial address
because it is stored at the GCC
38 Magellan GSC 100 Global Satellite From the ADDRESS BOOK use OR
B 1207P
the UPDOWN ARROWs to ATTENTION
DELETE ADDRESS
highlight the address you wish to DON
delete Press the DEL softkey at
which time you will be prompted to
confirm your wish to delete this
address YES NO
If you press the YES softkey the address will be deleted and
you will be brought back to the ADDRESS BOOK with the
next address in the list highlighted Pressing the NO softkey
returns you to the ADDRESS BOOK with the address you were
going to delete highlighted
Capturing an Address
The CAPAD feature allows you to retain addresses from received
GlobalGrams for storage in your ADDRESS BOOK It is
available as a softkey option when you are reading incoming
GlobalGrams When you select this function the receiver will
compare the addresses contained in the received message to those
contained in the ADDRESS BOOK If there are no matches then
the receiver will list those addresses as new to your ADDRESS
BOOK You then have the option to save them to your ADDRESS
BOOK
When reading an incoming email OR
P 1253P
address press the CAPAD softkey CAPTURE ADRS
This brings up the CAPTURE
ADRS screen showing the address
or addresses to be captured You
will have the softkey option to
SELCT the address GSC 100 Global Satellite Communicator 39
OR C
When you press the SELCT B 1251P
softkey you are brought to the NAME
NAME screen where you will enter
the nickname for this new address
You will have the softkey options
of ADRS and SAVE allowing you
to see the address again or save the ADRS SAVE
nickname If there is more than
one address contained in an incoming email carbon copy as
well as sender you will be brought back to CAPTURE ADRS
screen to view the additional address If you do not wish to
save the additional address press the ESC key which will
bring you back to the message
GCC Addresses Speed Dial
Addresses that are used most OR
P 1045A
frequently can be stored at the Don Smith
1 SPEED DIAL 1
Gateway Control Center They are
2 SPEED DIAL 2
listed in your unit as Speed Dial
3 SPEED DIAL 3
addresses and identified by nicknames 4 SPEED DIAL 4
that you give them During the 5 SPEED DIAL 5
activaton process you can assign a list NEW EDIT MSGS DEL
of addresses to be store at the GCC for
use in STORE FWD GlobalGrams You can only send a
STORE FWD GlobalGram to a speed dial address
Sending to a speed dial address saves you on the number of
characters transmitted with the message Since the speed dial
address is only one character you will only be charged for that
one character instead of the whole address When you send the
list to your GCC you must remember that the order in which they
are listed is important If your wife is listed at the GCC as being
the 1 speed dial address then your unit should reflect your
wifes name or nickname in the 1 speed dial position The
reason for this is that when you choose a speed dial address as the
recipient only the number is sent to the GCC When the GCC
receives the GlobalGram they route it to the address associated
with the speed dial number you used
40 Magellan GSC 100 Global Satellite Messages
This section outlines the various functions associated with
sending and receiving GlobalGrams with your GSC 100
Requesting Message Check
Since your incoming GlobalGrams are stored at ORBCOMM
until you request them you must first request your unit to
CHECK MESSAGES Your GSC 100 will send all queued
messages prior to checking for any incoming messages You
must have a clear view of the sky with the unit held away from
your body and the ORBCOMM antenna fully extended Your
unit must be in either AUTO or ORBCOMM mode to transmit
GlobalGrams
From the MAIN MENU press the OR
B 1250P
MSGS softkey This brings you to Flight Informa
MH eeEtCinKg Mch SaG nS ge
the MESSAGE LIST where you will M A I L B O X n
press the MNU key A popup B0o0at0 K0e y0s 0M
LaOt N
eT AR A
rr Sa
iv Tl
menu appears with the options of S Y S M O D E
Rental Car
CHECK MSGS MAILBOX Party Arrangem
CONTRAST and SYS MODE NEW MSTAT ADBK DEL
Use the UPDOWN ARROWs to OR
B 1250P
highlight CHECK MSGS and press Flight Informa
ENTER A check icon is now Meeting change
present at the top left corner of the Boat Keys
screen alerting you that a request Late Arrival
to CHECK MSGS was sent That Rental Car
check icon remains present until Party Arrangem
NEW MSTAT ADBK DEL
the satellite sends a message to
your unit either confirming by sending the messages or
denying by sending a NO MESSAGES message the
presence of messages When an ORBCOMM satellite comes
into view your GSC 100 sends a request to the satellite for any
messages that are waiting for GSC 100 Global Satellite Communicator 41
When you are receiving a GlobalGram from a satellite a
double arrow icon will be displayed at the top of your screen
This alerts you that your GSC 100 is communicating with a
Icons
While sending and receiving GlobalGrams there are icons that
will be displayed in the status bar at the top of your GSC 100s
screen For a complete description of all icons that are available
refer to the ICONS appendix located at the back of this manual
P CAPS Appears when the keypad is active and capital
letters are being used
ALT The keypad is active and the ALT function is engaged
This signifies that the alternate secondary character mode
is active and the characters listed in the upper right corner of
the alphanumeric keys are now active
Page Appears next to messages that have been saved but
not sent
Envelope Appears when you have an unread GlobalGram
in the MESSAGE LIST This icon is also shown next to the
actual GlobalGram in the MESSAGE LIST alerting you that
this message is unread
Open Envelope Appears next to GlobalGrams that you
have already opened and read
Envelope and Check Appears after you execute the check
message function and there are unread GlobalGrams in the
unit
Check Appears after you have executed the check
messages function It disappears after the unit has checked
for messages
Mailbox with Flag Up Appears when there are
GlobalGrams present in the mailbox to be sent at the next
satellite pass The flag on the side of the mailbox is in the
UP position alerting you that mail is present
42 Magellan GSC 100 Global Satellite Mailbox with Flag Down Appears next to GlobalGrams
that have been sent
OR ORBCOMM Mode Displayed when the unit is operating
in the ORBCOMM mode
S GPS Mode Appears when the unit is operating in the GPS
mode
Satellite Appears in the status bar when ORBCOMM
satellites are in view It appears during the times listed on
the ORBCOMM satellite schedule
Double Arrow When you are outdoors transmitting to an
ORBCOMM satellite you will see this icon appear in the
status bar It alerts you that the unit is in with a satellite and your available message option is
STANDARD
Broken Double Arrow This icon appears in the status bar
when your unit is transmitting to an ORBCOMM satellite
but that satellite is not transmitting to a Ground Earth
Station It alerts you that your only available message
option is STORE FWD
Down Arrow Displayed while the unit is listening to an
ORBCOMM satellite but not yet Broken Down Arrow Displayed while the unit is
listening to an ORBCOMM satellite but not and the only available GlobalGram type is STORE FWD
Viewing Received GlobalGrams
When GlobalGrams are received you will have the ability to view
them from the MESSAGE LIST GlobalGrams appear in the
order in which they were received with newer messages
appearing at the top of the list After the icon for the message the
first fourteen 14 characters of the subject will be listed When
there is a received message that hasnt been read an envelope
will appear in the icon bar at the top of the screen This alerts you
that there is an unread message in the MESSAGE GSC 100 Global Satellite Communicator 43
Any attachments to incoming GlobalGrams will be stripped out
prior to receipt
On the MESSAGE LIST unread messages will be designated by a
closed envelope icon GlobalGrams that have already been read
but not deleted will be designated by an open envelope icon
Received GlobalGrams will display the sender carbon copy cc
recipients subject and text
To view a GlobalGram access the OR
B 1245P
MESSAGE LIST from the MAIN Flight Informa
MENU by pressing the MSGS Meeting change
Boat Keys
softkey Use the UPDOWN
Late Arrival
ARROWs to highlight the message
Rental Car
to be viewed and press ENTER Party Arrangem
When the message appears on the NEW MSTAT ADBK DEL
screen the subject and text fields
are shown with the arrow keypad OR
B 152P
icon in the icon bar This alerts you
that you can use the keypad to SUBJECT FLIGHT
INFORMATION
scroll through the message to see
the sender the cc recipients and TEXT MY FLIGHT
any portion of the message that HAS CHANGED
AGAIN I ARRIVE AT
isnt visible Within the message REPLY FWD CAPAD DEL
you will have the softkey options
for the following functions REPLY to reply to this
GlobalGram FWD to forward the GlobalGram CAPAD to
capture the address of the sender and DEL to delete the
GlobalGram If you press the ESC key from this screen you
will be returned to the MESSAGE LIST with the message
highlighted and an open envelope icon next to it Also the
envelope icon at the top of the screen has now disappeared
reflecting that there are no unread GlobalGrams When there
are no GlobalGrams in the MESSAGE LIST the unit will read
NO MESSAGES PRESS NEW TO CREATE A Magellan GSC 100 Global Satellite Creating a GlobalGram
There are several instances when a GlobalGram will be created
such as when the NEW softkey is pressed from the MESSAGE
LIST when you forward a GlobalGram or when you reply to a
received GlobalGram GlobalGrams are divided into two types
STANDARD and STORE FWD
Message Type No of Recipients Subject Field Text Field Icon Displayed
1 None 229
STORE FWD
Speed Dial Address Only SF Timestamp Characters Maximum
7 79 2000
STANDARD
Primary CC Combined Characters Maximum Characters Maximum
STANDARD GlobalGrams will consist of recipients a subject
and text The recipients will be divided into primary and carbon
copy recipients with a total number of seven recipients allowed
primary and carbon copy combined Each message must have at
least one primary recipient The subject of the message will have
a maximum length of 79 characters and the text message will
have a maximum length of 2000 characters A STANDARD
GlobalGram can only be transmitted when you are in
communication with an ORBCOMM satellite and that satellite is
in communication with an ORBCOMM Ground Earth Station
GES When the double arrow icon is present in the status bar
on the top of the screen it alerts you that you are in
communication with both an ORBCOMM satellite and a GES
making it possible to transmit a STANDARD GlobalGram
STORE FWD GlobalGrams consist of only one recipient and
text where the recipient must be one of the speed dial addresses
at the GCC The STORE FWD text is restricted
to 229 characters If you create a STORE FWD but dont have
any addresses stored at the GCC the message will not be
delivered Conversely when the broken double arrow icon is
displayed it alerts you that you are in communication with an
ORBCOMM satellite but the satellite is not in contact with a GES
and your message option is STORE FWD GSC 100 Global Satellite Communicator 45
Any time a GlobalGram is created the unit will prompt you for
the type of GlobalGram to create The picture below depicts the
transmission states associated with each type of globalgram The
procedures for creating GlobalGrams are contained in the next
two sections
ORBCOMM satellite in contact with a GES
STANDARD GlobalGram
ORBCOMM satellite stores GlobalGram until it is in contact with a GES
STORE FWD Magellan GSC 100 Global Satellite Sending Standard GlobalGrams
STANDARD GlobalGrams are the most commonly used
GlobalGrams These are sent when the ORBCOMM satellite you
are currently in communication with is also in contact with an
ORBCOMM Ground Earth Station If this condition is not true
indicated by the broken double arrow icon then you need to send
a STORE FWD GlobalGram If you know that you will not be
in conact with a GES then send a STORE FWD Refer to
for an updated list of coverage areas
To send a STANDARD OR
B 107P
GlobalGram press the MSGS M E S S A G E T Y P E
softkey from the MAIN MENU
STORE FWD
This brings up the MESSAGE LIST
STANDARD
where you press the NEW softkey
At this point you will be prompted
to select the type of GlobalGram to
send Use the UPDOWN
ARROWs to highlight OR
P 109P
STANDARD and press ENTER TO
You are now at the TO screen M
where you will enter the primary
recipients of this message As was
stated earlier you may only have a
total of seven recipients for any CC ADBK SAVE SEND
message primary and carbon copy
recipients combined Use the OR
P 111P
ADDRESS BOOK for stored CC TO
addresses or speed dial addresses
or manually enter the address of the
recipients of this message using
the ALPHANUMERIC KEYS
and press the SAVE softkey When SUBJ ADBK SAVE SEND
you have completed this press the
CC softkey and enter the carbon copy recipients the same way
as was done with the primary GSC 100 Global Satellite Communicator 47
When you are done entering the CC OR
P 113P
address press the SUBJ softkey SUBJECT
which will bring you to the
SUBJECT screen where you will
enter the subject of the message
Use the ALPHANUMERIC
KEYS to enter the subject You TEXT SAVE SEND
will have the ability to enter up to
seventynine 79 characters in the
SUBJECT field You can use this as
the text field if your message is
within the limit You will have the
softkey options to SAVE SEND or
TEXT to continue to the text
portion of the message Pressing
the SEND softkey will accept the
current entries and send the
message to the MESSAGE LIST
with the mailbox icon next to it
The message is also sent to the
MAILBOX for delivery Pressing C
OR A
115P
the TEXT softkey brings you to B P
TEXT
the TEXT screen where you will
use the ALPHANUMERIC KEYS
to enter the text or body of the
message You will have the ability
to enter up to twothousand 2000
TO SAVE SEND
characters in the text field
The softkey options available are TO SAVE and SEND
Pressing the softkey corresponding to TO will bring you back
to the TO screen allowing you to amend the primary recipients
of the message When you press the SAVE softkey the
message will be saved and you will be brought to the
MESSAGE LIST with that message highlighted and the page
icon next to it
48 Magellan GSC 100 Global Satellite When you press the SEND softkey you will be brought to the
MESSAGE LIST with this message highlighted and a mailbox
icon next to it This signifies that the message has been saved
and sent to the MAILBOX where at the next transmission will
be sent to the GES and then on to the addresses listed
Sending STORE FWD Globalgrams
STORE FWD GlobalGrams are used when you are in
communication with a satellite but that satellite is not in contact
with the GES When a STORE FWD GlobalGram is sent it is
stored in that satellites memory until it is again in contact with a
GES To alert you that the satellite is not in contact with a GES a
broken double arrow icon is displayed in the status bar When
this is present the only available GlobalGram type will be a
STORE FWD STORE FWD GlobalGrams can only be
sent to recipients who you registered during activation as
speed dial addresses at your preferred GCC If you send a
STORE FWD to a speed dial address that you have not
registered the GlobalGram will be sent but will never be
delivered since there is no associated address on file at the
GCC You will not be able to enter a STORE FWD recipient
by way of the alphanumeric keys
B 130P
From the MAIN MENU press the MESSAGE TYPE
MSGS softkey This brings up the
MESSAGE LIST where you press STORE FWD
the NEW softkey You will be STANDARD
prompted to select the type of
GlobalGram to send If your GSC
100 is in communication with an
ORBCOMM satellite but not in communication with your a
GES the broken double arrow icon will be displayed alerting
you that you will only be able to transmit a STORE FWD
GlobalGram Highlight STORE FWD and press GSC 100 Global Satellite Communicator 49
At this point you will be prompted OR
P 132P
in the TO screen to PRESS ADBK TO
TO SELECT RECIPIENT After PRESS ADBK
TO SELECT
pressing the ADBK softkey use the RECIPIENT
UPDOWN ARROWs to highlight
the speed dial address desired and
press the DONE softkey This TEXT ADBK SAVE SEND
returns you to the TO screen Since
you can only have one recipient
and text in a STORE FWD
GlobalGram press the TEXT
softkey
You will now be at the TEXT
P 135P
screen where you will use the TEXT
ALPHANUMERIC KEYS to
enter your message The unit will
not allow you to enter more than
the available limit of 229 The
softkey options of TO SAVE or TO SAVE SEND
SEND are now available
When you press the TO softkey you are brought back to the
TO screen where you will be able to change the primary
recipient of this message If you wish to change the recipient
press the ADBK softkey You are brought back to the
ADDRESS BOOK where you will be able to choose a new
recipient Press the SAVE softkey to be returned to the TO
screen with the new recipient listed If you need to edit the
message press the TEXT softkey If everything is correct and
you are ready to send the message press the SEND softkey If
you are done with the message but do not wish to send it yet
you can press the SAVE softkey to save it to the MESSAGE
LIST to send at a later time You will be brought back to the
MESSAGE LIST with the message highlighted and a page icon
to the left The subject of the message shown on the
MESSAGE LIST will have the subject being SF for STORE
50 Magellan GSC 100 Global Satellite FWD plus the time the message was created When you are
ready to send access the MESSAGE LIST highlight the
STORE FWD GlobalGram and press ENTER This opens
up the message and gives you the softkey options of EDIT
COPY SEND and DEL Press the SEND softkey You will
be brought back to the MESSAGE LIST with the STORE
FWD GlobalGram highlighted and a mailbox icon with the
flag in the up position to the left of the message This icon
alerts you that the message has been sent to the message queue
or MAILBOX and will be sent during the next satellite pass
while you are transmitting The maximum number of STORE
FWD GlobalGrams that can be transmitted during one
satellite pass is sixteen 16
Sending a GlobalGram to a GSC 100
When sending a message to a GSC 100 the sender will have to
adhere to the character limits specified for sending either a
STANDARD or STORE FWD GlobalGram For a
STANDARD GlobalGram the subject will have a maximum
length of 79 characters and the text message will have a
maximum length of 2000 characters All other entries will be the
same as if you were sending to any other internet address Your
message will be transmitted to the GSC 100 when it is next in
communication with an ORBCOMM satellite
For additional assistance on sending STORE FWD
GlobalGrams see the following website When the pcuser knows that the GSC 100 user will not be in
communication with a Ground Earth Station then they will send a
STORE FWD GlobalGram When sending a STORE FWD
from a pc the subject field must contain the following phrase
GlobalGram SATXX The XX represents the satellite
number that the pcuser will send this STORE
FWD to for transmission As more satellites become GSC 100 Global Satellite Communicator 51
there will be more ids to choose from For the satellite id the
user will insert a number from 1 to 12 in place of the XX The
character limits for the text of the message will be Recipients from the Address Book
This allows you to choose an address stored or speed dial from
the list in the ADDRESS BOOK which saves you time when
composing a GlobalGram
When composing a GlobalGram in OR
1221P
the TO screen press the ADBK Don Smith
softkey This will bring up the 1 SPEED DIAL 1
2 SPEED DIAL 2
ADDRESS BOOK listing all of the
3 SPEED DIAL 3
addresses that you have saved in
4 SPEED DIAL 4
the unit Either enter the first letter 5 SPEED DIAL 5
of the nickname or use the UP SELCT DESEL DONE
DOWN ARROWs to scroll or
page down to the address you wish to use You may also send
to a speed dial address to save time and character spaces
When you have highlighted the address to be inserted into the
GlobalGram either press ENTER or the SELCT softkey
This will put a check mark next to that address letting you
know that it has been selected
To return to the message while OR
P 1219P
keeping the address you have TO
selected press the DONE softkey Don Smith
returning you to the TO screen If
you have made an error and need to
deselect the address you can either
press the ENTER key again or CC ADBK SAVE SEND
press the DESEL softkey Pressing
ESCAPE brings you out of the
ADDRESS BOOK screen and back
to the message without saving the
address to the message
52 Magellan GSC 100 Global Satellite Inserting Symbols Characters into GlobalGrams
When creating a GlobalGram it is sometimes necessary to include
symbols Many symbols can be accessed through the
ALPHANUMERIC KEYS using the ALT mode and pressing
the desired key while an extended list can be found in the
SYMBOLS MENU There are two ways to insert a symbol
While in the message press the B
T 145P
TEXT
ALT key and then press the
The meeting is now
ALPHANUMERIC KEY that has
the symbol you need ENTER
This will insert the symbol at the
cursor point
TO SAVE SEND
OR A
147P
If the symbol you need is not B P
TEXT
located on the alphanumeric keys CHECK MSGS
The meeting is now
you may access an extended list of MAILBOX
CONTRAST
symbols in the SYMBOLS MENU SYS MODE
While in the message press the INSERT SYM
MNU key to bring up a popup
TO SAVE SEND
menu listing additional options C
148P
Use the UPDOWN ARROWs to
B P
TEXT
highlight INSERT SYM and press CHEC K MSGS
The meeting
PO S TIMEis now
DATE
ENTER This brings you to the M AILB OX
CON TR A ST
SYMBOLS MENU where you will
SYS MOD E
use the UPDOWN ARROWs to I NSER T SYM
highlight the symbol needed and
TO SAVE SEND
then press ENTER This inserts
the symbol at the cursor point You may also access the
SYMBOLS MENU by pressing the ALT key and then the SYM
key which will bring up the popup SYMBOLS MENU where
you will use the same keystrokes as were just discussed
Within the SYMBOLS MENU there is also an option to include
the TIME DATE or POS into your GlobalGram The POS
information is your GPS calculated GSC 100 Global Satellite Communicator 53
Viewing Created GlobalGrams
You have the ability to view GlobalGrams that you have created
and sent from your GSC 100 When you create a GlobalGram
and save it without sending the message is stored in the
MESSAGE LIST with the page icon next to it When you send the
message the icon changes to the mailbox icon with the flag in the
up position After the message is sent it appears in the
MESSAGE LIST with the mailbox icon with the flag in the down
position The message is also sent to the MAILBOX where it is
listed by subject without any icons next to it
To view any of the above created OR
B 1250P
messages access the MESSAGE Flight Informa
LIST by pressing the MSGS Meeting change
Boat Keys
softkey from the MAIN MENU
Late Arrival
Use the UPDOWN ARROWs to
Rental Car
highlight the message you wish to Party Arrangem
view and press ENTER You are NEW MSTAT ADBK DEL
brought to the MESSAGE VIEW
screen where you can use the UP
DOWN ARROWs to scroll
through the message seeing all of
the information it contains You OR
B 1252P
will also have the softkey options
of EDIT COPY SEND and DEL SUBJECT Meeting
To escape and return to the Change
MESSAGE LIST press the TEXT The meeting
ESCAPE key You will be has changed It
returned to the MESSAGE LIST will be moved to
EDIT COPY SEND DEL
with the message Magellan GSC 100 Global Satellite Accessing the Mailbox
When a GlobalGram is sent it not only is listed on the MESSAGE
LIST but is sent to the MAILBOX to be transmitted at the next
available ORBCOMM satellite pass This screen allows you to
view the messages that have been sent to the MAILBOX
From the MAIN MENU press the OR
B 1250P
MNU key A popup menu appears Flight Informa
MHeeEtC inKg Mch SaG nSge
with the options of CHECK MSGS M A I L B O X n
MAILBOX CONTRAST and SYS B0o 0
at0 K0e y0s 0M
LaOt N
eT AR A
rr Sa
iv Tl
MODE Use the UPDOWN S Y S M O D E
Rental Car
ARROWs to highlight MAILBOX Party Arrangem
and press ENTER NEW MSTAT ADBK DEL
You are now at the MAILBOX B 1136A
MAILBOX
where you can view the messages
Meeting change
that are ready to be sent There are Late Arrival
no icons listed next to the messages ST 105243A
in this screen since they are all SF 112255A
awaiting transmission Within the
MAILBOX you have the softkey DEL
option to DEL the highlighted
message If you choose to delete
the message it isnt deleted from
the unit it is just removed from the
MAILBOX The message will still
be listed on the MESSAGE LIST
but it will now have the page icon
next to it instead of the mailbox
with the flag in the up position
icon To exit out of the MAILBOX
without deleting press the ESC
key to back out one level at a time
or the HOME key to return to the
MAIN GSC 100 Global Satellite Communicator 55
Editing a GlobalGram
This feature enables you to edit a GlobalGram you created prior
to sending it to the specified recipients Since GlobalGrams may
be stored in the MAILBOX until the next ORBCOMM satellite
transmission they may change or need to be edited A
GlobalGram can only be edited when it is taken out of the
MAILBOX first If you try to edit the message while it is in the
mailbox you will be prompted to take it out of the MAILBOX
first Your response should be YES
Access the MESSAGE LIST use the OR
B 152P
UPDOWN ARROWs to highlight
SUBJECT FLIGHT
the message to be edited and press INFORMATION
ENTER This brings up all the
information relating to that TEXT MY FLIGHT
HAS CHANGED
message CC TO SUBJ and AGAIN I ARRIVE AT
TEXT You have four softkey EDIT COPY SEND DEL
options while in this screen EDIT
COPY SEND and DEL Press the
softkey corresponding to EDIT B 153P
ATTENTION
If you have not removed the UNABLE TO EDIT
GlobalGram from the MAILBOX MESSAGES IN THE
MAILBOX
then you will be prompted to
remove the message before editing REMOVE
Pressing the YES softkey brings BEFORE EDITING
you to the TEXT SCREEN with the YES NO
first character of the message
highlighted At this point the OR C
B A
154P
procedures to edit are the same as TEXT
creating a GlobalGram When MY FLIGHT HAS
finished editing press the SEND CHANGED AGAIN
I ARRIVE AT 8PM
softkey You will be brought back NOW MEET ME AT
to the MESSAGE LIST with the THE AIRPORT
message highlighted and the THANKS
TO SAVE SEND
mailbox icon next to it
56 Magellan GSC 100 Global Satellite To remove the message from the OR
B 155P
MESSAGE LIST prior to editing Flight Informa
CHECK MSGS
highlight the message and press the M eeting change
MAILBOX
B oat Keys
CONTRAST
MNU key which will bring up a
LSYS MODE
ate A rrival
popup menu Use the UPDOWN
Rental Car
ARROWs to highlight MAILBOX Party Arrangem
and press ENTER NEW MSTAT ADBK DEL
You are now at the MAILBOX B 157P
screen where you will be able to MAILBOX
Meeting Change
DELETE the message from the
mailbox Press the softkey
corresponding to DEL
Pressing the DEL key from the OR
B 158P
MAILBOX screen will not delete Flight Informa
Meeting change
the GlobalGram from the unit it
Boat Keys
will remove it from the mailbox Late Arrival
and change the icon from a mailbox Rental Car
icon to a page icon Your message Party Arrangem
is now ready for editing NEW MSTAT ADBK DEL
Copying a GlobalGram
Since there is a limit of seven 7 recipients for any STANDARD
GlobalGram primary and carboncopy combined this feature
allows you to COPY GlobalGrams you have created omitting the
recipients to additional groups of recipients without having to re
enter the message This function will be the same as creating a
GlobalGram although the subject and text fields will contain the
information you had copied from the previous message
STANDARD GlobalGrams will be copied to STANDARD
GlobalGrams while STORE FWDs will be copied to STORE
GSC 100 Global Satellite Communicator 57
To COPY a GlobalGram access the MESSAGE LIST by
pressing the MSGS softkey from the MAIN MENU Use the
UPDOWN ARROWs to highlight the message to be copied
and press ENTER This allows you to view the message with
the a softkey option to COPY Press the COPY softkey You
are immediately brought to the TO screen where you will be
able to enter the additional recipients using the
ALPHANUMERIC KEYS or by pressing the ADBK softkey
At this point you will use the same procedures as were used
when CREATING A to a GlobalGram
The REPLY feature allows you to respond to a received
GlobalGram without having to enter either the TO or the SUBJ
field You still have the ability to edit these fields as well as input
carbon copy recipients When replying to a GlobalGram you are
given the option of replying with a STORE FWD when the
recipient matches one of the addresses stored at the GCC If this
is the case the subject will be left out of the message and is
replaced by SF time in the MESSAGE LIST When replying to
a STANDARD GlobalGram with a STANDARD GlobalGram
the subject field will contain the title Re subject where subject
is the subject that was contained in the received message If the
subject field on the received message was blank the reply will
read Re none If the subject is greater than 76 characters the
Re will appear at the beginning and the original subject will be
shortened to fit the seventynine 79 character limit You can
edit the subject of your reply message and if desired the
response can appear in the subject field
Pressing the REPLY softkey while
P 314P
viewing the message brings you to TO
the TO screen The address of the com
recipient or previous sender will
already be present Press the CC
softkey and enter a carboncopy
recipient if needed CC ADBK SAVE SEND
58 Magellan GSC 100 Global Satellite After entering a carboncopy OR
P 316P
recipient press the SUBJ softkey SUBJECT
This will bring you to the ReMeeting
Change
SUBJECT screen with the subject
from the previous message already
inserted There will be a Re
before the subject alerting the TEXT SAVE SEND
recipient that it is a reply to the
message they had sent you Press
the TEXT softkey which will bring OR C
B A
318P
you to the TEXT screen where you TEXT
will type in your reply After DUE TO A FLIGHT
typing in your reply press the DELAY I WILL BE
UNABLE TO
SEND softkey You are returned to ATTEND THE
the MESSAGE LIST with your new MEETING ILL
CALL WHEN I GET
message highlighted and a mailbox
TO SAVE SEND
icon next to it
Forwarding a GlobalGram
The FWD feature allows you to forward a GlobalGram you
receive to additional recipients The procedure for forwarding a
GlobalGram is the same as when CREATING A
GLOBALGRAM although the subject and text fields will
contain the information contained in the original received
message If the message is less than 229 characters and the
forward recipient is prelisted as a speeddial address at the
GCC then you will be able to send the message as a STORE
FWD If you choose to send the message as a STORE FWD
then the subject will be ignored and only the text will appear in
the STORE FWD to be GSC 100 Global Satellite Communicator 59
When you are reading a received GP
S 107P
GlobalGram you will have a MESSAGE TYPE
softkey option to FWD the
STORE FWD
GlobalGram Press the FWD STANDARD
softkey This brings you to the
MESSAGE TYPE screen where you
will have the options of STORE
FWD or STANDARD If the
recipients is listed as a speeddial
address at the GCC and you are not
in contact with your preferred GCC
then you will be able to send a
STORE FWD Otherwise you
will use the UPDOWN ARROWs
to highlight STANDARD and press
ENTER You will then be brought
to the TO screen where you will
enter the address of the person or
people to receive this forwarded
message Press the CC softkey
enter any carbon copy recipients
Continue to the SUBJECT screen OR
P 113P
by pressing the SUBJ softkey SUBJECT
FwdLATE
There will be a FWD before the ARRIVAL
subject alerting the recipient that it
is a forwarded message You will
then press the SEND softkey
unless you wish to edit the TEXT SAVE SEND
message to send this message to
the specified recipient The B 117P
Boat Keys
forwarded GlobalGram is now sent
Flight Informa
to the MESSAGE LIST to be sent at Meeting Change
the next transmission with a Boat Keys
mailbox icon next to it and the FwdLATE ARRI
subject field reflecting that the Rental Car
NEW MSTAT ADBK DEL
message is a FWD Magellan GSC 100 Global Satellite Deleting a Message
The DEL function allows you to delete any GlobalGrams from
the unit created or received Once the message has been deleted
you will not be able to retrieve it at any time
To DELETE a GlobalGram access OR
B 117P
the MESSAGE LIST and highlight FWDBoat Keys
the message to be deleted using the Flight Informa
Meeting change
UPDOWN ARROWs Press
Boat Keys
ENTER to access the message to
LATE ARRIVAL
be deleted and press the DEL Rental Car
softkey Any time you attempt to NEW MSTAT ADBK DEL
delete a GlobalGram you will be OR
B 122P
prompted to confirm this request ATTENTION
This gives you the last minute DELETE MESSAGE
LATE ARRIVAL
option of not deleting the message
Press the YES softkey to confirm
the deletion
YES NO
If the message to be deleted has OR
B 122P
been SENT to the mailbox or is ATTENTION
THIS MESSAGE IS
awaiting then IN THE MAILBOX
you will also be alerted to this and AND CAN NOT
prompted to continue BE SENT IF
DELETED
DELETE MESSAGE
YES GSC 100 Global Satellite Communicator 61
Message Status
The MSTAT feature allows you to view information regarding
GlobalGrams you have created and received such as time and
date created its size the time it was sent the time of transmission
to an ORBCOMM satellite and the last received
To access the status information for OR
B 1031A
a given GlobalGram you need to M S G ST A T U S
CREATED
access the MESSAGE LIST use the 101426A
10DEC97
UPDOWN ARROWs to highlight SIZE
the desired message and press the 83 CHARACTERS
SENT
MSTAT softkey You are now 101541A
brought to the MSG STATUS VIEW
screen where the information
regarding this GlobalGram is logged Since there is too much
data to fit on one screen you will need to use the UPDOWN
ARROWs to scroll through data not shown on the initial
screen You will also have the softkey option to VIEW the
message The time a message is sent is defined as the time that
it was put in the mailbox to be transmitted on the next
available satellite pass or the time you pressed the SEND
softkey after creating the message Time of transmission is
defined as the time at which the GlobalGram was transmitted
to an ORBCOMM satellite from your receiver The time and
date created is recorded when the message is saved and the file
size is recorded in bytes and represents the total number of
characters to be transmitted including the text subject and
recipients Also the time and date the message was sent will
be the time and date of the unit clock when the message is sent
to the mailbox If you resend a GlobalGram then the
previous status information will be updated with the current
Magellan GSC 100 Global Satellite GPS Operations
This section aids in the setup and operation of the GPS portion of
your GSC 100
Selecting GPS Mode
Although it is recommended that you operate your GSC 100 in
the AUTO mode there are times when you will need to operate
solely in the GPS mode To select GPS mode complete the
following steps
While in the MAIN MENU press 1026A
the MNU key to bring up a popup MAIN MENU
C HECK M
ORBCOMM SGS
SATS
menu You will have the options of
0 8M
01A I L0
P B
T0OX
O 08
0 0n16P
CONTRAST and SYS MODE 0 9C
0 O1N
P TT ROAS09
T 1 4 P
Use the UPDOWN ARROWs to UNREAD
S YS MO MSGS
DE 0
highlight SYS MODE and press QUEUED MSGS 0
ENTER This brings you to the MSGS GPS SETUP SATS
SYS MODE screen where you will
use the UPDOWN ARROWs to 1028A
SYSTEM MODE
highlight GPS MODE and then
AUTO MODE
press ENTER This activates the GPS MODE
GPS Mode and returns you to the ORBCOMM MODE
MAIN MENU with the GPS icon
shown in the icon bar You can
now operate your GPS functions
without interference from GP
1030A
ORBCOMM messaging From S
MAIN MENU
many of the subsequent screens ORBCOMM SATS
both in GPS and ORBCOMM 0 8 11 P T O 0 8 1 6 P
modes you will be able to change 0901P TO 0914P
modes by pressing the MNU key UNREAD MSGS 0
and following the above QUEUED MSGS 0
MSGS GPS SETUP SATS
GSC 100 Global Satellite Communicator 63
GPS Icons
During GPS operations the following icons will be displayed in
the status bar For a complete list of icons refer to the ICONS
appendix located at the back of this manual
Arrow Key Provides a visual indication as to which arrow
keys are active for the displayed screen There are different
combinations of keys as shown
Poor GQ Alert The geometric quality GQ of the satellite
is poor Try to move away from any large obstructions that
may be blocking reception of satellite signals
d 2D Displayed when the unit is calculating a two
dimensional position fix using three satellites eg latitude
and longitude
d 3D Displayed when the unit is calculating a three
dimensional position fix using four satellites eg latitude
longitude and elevation
D Differential Indicates that the receiver is utilizing DGPS to
compute position fixes Requires an additional Differential
Beacon receiver to utilize DGPS
Old Data The receiver has not updated position fixes for
more than 15 seconds
S Simulator Indicates that the receiver is in GPS simulation
mode The simulator will stay active until the unit is turned
OR ORBCOMM Mode Displayed when the unit is operating
in the ORBCOMM mode
S GPS Mode Displayed when the unit is operating in the
GPS mode
64 Magellan GSC 100 Global Satellite NAV Screens
The three NAV screens accessible from pressing the NAV softkey
are the POSITION NAV 1 and NAV 2 screens You may scroll
through these screens using the NAV softkey or the UPDOWN
ARROWs Press NAV until the POSITION screen is displayed
Viewing the POSITION Screen
The POSITION screen displays the coordinates and elevation of
the current position in a larger format so that they may be easily
viewed from a distance Once the unit calculates a position fix
the word SEARCHING will be replaced by WGS84 WGS
84 represents the map datum that the unit has as its default
Old Data
Icon
Mode GP
S 1126A Current Time
Designation LATLON
Icon
34 0658N Latitude
117 4954W Longitude
900 FT Elevation
Softkey SEARCHING Position Fix Status
Designations NAV PLOT GOTO AUX
Replaced by Map Datum when
fix is obtained
For a complete description of the GPS Icons refer to the chapter on ICONS located at the end of this GSC 100 Global Satellite Communicator
65
Viewing the NAV 1 Screen
Press the NAV softkey or the UPDOWN ARROWs until the
NAV 1 screen appears showing BRG DST COG and SOG This
screen provides you with information about your speed and
direction of movement If a route is active the NAV 1 screen also
tells you where you are in relation to the destination and
courseline and displays the name of the destination waypoint of
the active leg in the title bar
Mode Designation Old Data Icons
Current GP
S 203P Current Time
Destination TO FISH
BRG DST Distance to
Bearing to Destination
Destination 202 192
Speed
Course Over 206m 217 kT Over Ground
Ground COG SOG
10 n
m XTE Scale
Cross Track NAV PLOT GOTO AUX and Units
Error XTE
For a complete description of the GPS Icons refer to the chapter on ICONS located at the end of this manual
The default fields include bearing BRG to the active waypoint
distance DST course over ground COG and speed over
ground SOG By using customize refer to Customizing the
NAV Screens you may select VMG velocity made good SOA
speed of approach STR steering CTS course to steer or a
blank line See Customizing the Navigation the NAV 2 Screen
Press the NAV softkey or use the UPDOWN ARROWs to scroll
to the NAV 2 screen The NAV 2 screen displays three additional
information fields which can also be Magellan GSC 100 Global Satellite Mode
Designation Old Data Icons
Current GP
S 353P Current Time
Destination TO FISH
Bearing to
Destination
BRG 202 m
Direction of
Course COG 256 m Cross Track
Over Ground Error
Cross
XTE 1 2 3m
NAV PLOT GOTO AUX
Track Error
For a complete description of the GPS Icons refer to the chapter on ICONS located at the end of this manual
Information is displayed in a large format so that it may be easily
viewed from a distance All of the fields can be customized
Default fields include bearing BRG to the active waypoint
course over ground COG and cross track error XTE By
customizing you may select VMG velocity made good SOA
speed of approach SOG speed over ground ETA estimated
time of arrival TTG time to go DST distance XTE cross
track error STR steering CTS course to steer or a blank line
Cross track error XTE is displayed as a numeric value The
arrow next to XTE indicates the direction of the error left or right
of the course line
Customizing the NAV Screens
As previously mentioned NAV 1 and NAV 2 screens can be
customized to display the data fields you find most convenient for
navigation
When you access these two screens for the first time the fields
shown are the default choices The NAV 1 screen displays BRG
DST COG and SOG fields while the NAV 2 screen displays
BRG COG and XTE fields
Available options include
BRG Bearing to active waypoint
DST Distance to the active waypoint
SOG Speed Over GSC 100 Global Satellite Communicator 67
COG Course Over Ground
ETA Estimated time of arrival to the active waypoint
TTG Time To Go
VMG Velocity made good toward active waypoint
XTE Cross track error
SOA Speed of Approach toward active waypoint
CTS Course to steer
STR Steering
Press the NAV softkey from any screen to view a NAV screen
Press the NAV softkey again as necessary to display either the
NAV 1 or NAV 2 screen
Pressing MNU displays the popup
SAVE POS
menu Use the UPDOWN ARROWs
CREATE WPT
to highlight CUSTOMIZE and press ROUTE MENU
ENTER The popup menu CONTRAST
disappears and the display returns to CUSTOMIZE
the previously viewed NAV screen SYS MODE
NAV 1 Screen
When the popup menu disappears and the display returns to the
NAV 1 screen the first field is highlighted The first default is
BRG but another option may appear if you have previously
customized the fields
Use the UPDOWN ARROWs to select the field to edit and
the LEFTRIGHT ARROWs to scroll through the various
options After you have selected an option press the UP
DOWN ARROWs to move to the next field where you scroll
through the list of options again using the LEFTRIGHT
ARROWs When you have finished selecting all of the
options you wish to include in the NAV 1 screen display press
ENTER to exit and save the Magellan GSC 100 Global Satellite NAV 2 Screen
When the popup menu disappears and the display returns to the
NAV 2 screen the first default field heading BRG is
highlighted
Use the UPDOWN ARROWs to select the field to edit and
the LEFTRIGHT ARROWs to scroll through the various
options
After you have selected an option press the UPDOWN
ARROWs to move to the next field where you scroll through
the list of options again using the LEFTRIGHT ARROWs
When you have finished selecting all of the options you wish
to include in the NAV 2 screen press ENTER to exit and save
the selections
PLOT Screens
Three graphical screens can be accessed from the softkey
corresponding to PLOT the PLOT screen the ROAD screen and
the POINTER screen You may scroll through these three screens
by pressing the PLOT softkey repeatedly once you have
accessed one of the PLOT screens or by using the UPDOWN
ARROWs
Viewing the POINTER Screen
Access the POINTER screen by pressing the PLOT softkey two
or three times if necessary This screen graphically displays the
TO destination waypoint of the current leg if there is an active
route or GOTO and the bearing and distance to that waypoint An
arrow inside the arc points toward the destination of the active
leg shown as a waypoint GSC 100 Global Satellite Communicator 69
Current GP
S 119P Current Time
Destination TO JETTY
N Destination
Cardinal Icon
Heading COG Indicator
Bearing to BRG DST E
n Distance to
Destination 0 2 8m 1 3 5m Destination
NAV PLOT GOTO AUX
Bearing
Indicator
Displayed only if receiver is moving
The destination icon disappears if it extends past the displayed arc is behind the PLOT Screen
This screen plots your route on the display using the arrow icon to
display your relative position on the route Your track is also
displayed allowing you to follow your movement in relation to
the course
Press the PLOT softkey as necessary to access the PLOT
screen If many of the waypoints you have created are
contained in the current display range the screen may take
several seconds to redraw
d 226P
Current Time
BRGT
Om FD
ISST
H 192 m
Distance to
Bearing to N
Destination
Destination
Destination Icon
Present n
1m Intended Course
Position NAV PLOT GOTO AUX
The PLOT screen displays the bearing and distance to a
destination waypoint if there is an active route or GOTO
70 Magellan GSC 100 Global Satellite Changing the Plotter Scale
While in the PLOT screen press the LEFTRIGHT
ARROWs to adjust the scale The plot scale is shown at the
bottom right corner of the screen
Using PAN N SCAN
The PLOT screen is equipped with a PAN N SCAN feature that
allows you to access waypoint information by positioning the
cursor over the waypoint
From the PLOT screen press MNU
SAVE POS
to access the popup menu You
CREATE WPT
will notice that this menu is ROUTE MENU
different from the popup menu CONTRAST
accessed from other screens in that PAN N SCAN
it has an additional feature PAN N SYS MODE
SCAN
Using the UPDOWN ARROWs highlight PAN N SCAN and
press ENTER
GP 2
The PAN N SCAN screen is similar S d 226P
PA ONF
SI C
SAHN
to the PLOT screen however a B R G 202 m n
D S T 192 m
vertical and horizontal line cross to N
form a cursor The bearing BRG
and distance DST from your
present position to the cursor are n
NAV PLOT GOTO AUX
displayed at the top of the screen
GP 2
Use the UPDOWN and LEFT S d 226P
TO DOCK
RIGHT ARROWs to move the B R G 202 m n
D S T 192 m
cursor anywhere on the screen or to N
scroll off the screen to view
portions of the active route not
currently shown on the screen n
NAV PLOT GOTO GSC 100 Global Satellite Communicator 71
When the cursor covers a waypoint icon on the screen the title
bar displays the name of that waypoint and the bearing and
distance to the waypoint from your present a GOTO Using PAN N SCAN
When the cursor is on an icon and the waypoint information is
displayed press ENTER
A popup menu will appear with S
d 226P
TO DOCK
the options GOTO or ESCAPE B R G 202 m n
D S T 192 m
Use the UPDOWN ARROWs to N CREATE WPT
highlight GOTO and press G O0
ENTER This will activate an
0 0 0 0 0n
immediate GOTO route to the n
NAV PLOT GOTO AUX
specified destination
To exit the PAN N SCAN screen press ENTER when no
waypoint is covered by the cursor The display returns to the
PLOT Plotter Track
As you use your receiver more you may soon notice the PLOT
screen becoming cluttered with the graphic display of your past
movement track You can erase the track display with the
CLEAR MENU option in the AUXILIARY MENU
Press the AUX softkey and use the UPDOWN ARROWs to
highlight CLEAR MENU Press ENTER and use the UP
DOWN ARROWs to highlight TRACK and press ENTER
You will be asked to confirm that you want to erase the track
history If you change your mind press any other key to leave
the track as it is To erase track history press the YES Magellan GSC 100 Global Satellite Viewing the ROAD Screen
Access the ROAD screen by pressing the PLOT softkey two or
three times if necessary This is the navigation CDI screen As
with the preceding screen the bearing and distance to the leg
destination are displayed
This screen depicts the course you should be on as the center line
and position relative to the course the arrow icon Any
waypoints that would appear on or near this courseline are
displayed as they come into range
Current GP
S 426P Current Time
Destination TO DOCK
BRG028m DST135 m Distance to
Bearing to Destination
Destination
Destination Icon
Cross
Track n
40m Scale
Error NAV PLOT GOTO AUX
When a route is active you can adjust the CDI scale by pressing
the LEFTRIGHT ARROWs shown in the bottom left corner of
the screen
Waypoints
Saving a Position Fix as a Waypoint
During normal operation your receiver continuously computes
your position and displays that information on the POSITION
screen Quite often you will want to store the position data for
later use This stored fix is referred to as a waypoint An obvious
use would be to store the position where you are now with a
unique name That way if you were to go to a new location you
could use your receiver to guide you back to your current
GSC 100 Global Satellite Communicator 73
From any NAV or PLOT screen press the MNU key Using
the UPDOWN ARROWs highlight SAVE POS and press
ENTER Using either the UPDOWN ARROWs or the
ALPHANUMERIC KEYS assign an icon and name to your
position and press Generated Waypoint Name
From any NAV or PLOT screen press the MNU key Using
the UPDOWN ARROWs highlight SAVE POS and press
ENTER You will then press the ENTER key again to
confirm your entry
User Defined Waypoint Name
From any NAV or PLOT screen GP
126P
press MNU highlight SAVE POS SAVE POS
and press ENTER This tells the
34 1100N
receiver that you want to store the
119 4302W
current position as a waypoint The
900 FT
cursor is in the upper left corner of
the display and the arrow icons at NAV PLOT GOTO AUX
the top of the screen indicate that it
is in the edit mode What you will do next is assign a name to
this position
The waypoint name can be created by the receiver or you can
input a name that means something to you If you press ENTER
without creating a name the receiver assigns a waypoint name
Waypoint names assigned by the receiver appear in the format
WPxxx where the xxx is a sequential number 001 002 etc
with a pin icon in front alerting you that the waypoint is receiver
Magellan GSC 100 Global Satellite To allow the receiver to name the GP
P 141P
waypoint press ENTER The SAVE POS
WP001
following screen will appear briefly
34 1100N
and then the receiver returns to the 119 4302W
POSITION screen 900 FT
or NAV PLOT GOTO AUX
Use the ARROW KEYS or GP
P 154P
ALPHANUMERIC KEYS to SAVE POS
DOCK
type in a waypoint name that
34 1100N
describes the position being saved 119 4302W
A waypoint name always starts 900 FT
with an identifier icon and 1 to 5 characters After assigning a name NAV PLOT GOTO AUX
press ENTER This screen shown
at right will appear briefly and
then the receiver returns to the last
viewed NAV or PLOT screen
Creating a Waypoint
This allows you to create and store a waypoint with a receiver
generated name or userassigned name and allows you to assign
the position coordinates
From any NAV or PLOT screen press MNU highlight
CREATE WPT and press ENTER The CREATE WPT screen
appears Press ENTER to accept a name or
use the ARROW KEYS or ALPHANUMERIC KEYS to
assign a name of your choice and press ENTER
The cursor moves to the first line of GP
P 154P
the position You can either use the CREATE WPT
DOCK
ALPHANUMERIC KEYS to type
34 1100N
in the coordinates or use the UP 119 4302W
DOWN ARROWs to scroll 900 FT
through the number list Use the
LEFTRIGHT ARROWs to move NAV PLOT GOTO GSC 100 Global Satellite Communicator 75
the cursor If using LATLON coordinate system the UP
DOWN ARROWs toggle between N and S Press ENTER to
confirm and continue
GP C
Using the ALPHANUMERIC S
d A
P 154P
CREATE WPT
KEYS or LEFTRIGHT and UP
DOCK
DOWN ARROWs you can change 34 1100N
the second line of the position If 117 4302W
using LATLON coordinate system 900 FT
the UPDOWN ARROWs toggle
between E and W Press ENTER NAV PLOT GOTO AUX
to save the changes
You may now assign the elevation If you do not know the
elevation press ENTER to accept the displayed value In a few
seconds the new waypoint is saved and the receiver returns to the
NAV screen from which you the Waypoint Menu
The WAYPOINT MENU contains up to 200 named waypoints
displayed in two columns of four waypoints each and extending
several pages
GP 2
To access the WAYPOINT MENU S d 424P
WPT MENU
press the AUX softkey from any
CREATE
NAV or PLOT screen This brings POS
you to the AUXILIARY MENU DOCK
where you will use the UPDOWN WP001
ARROWs to highlight
WAYPOINTS and press ENTER NAV PLOT GOTO AUX
This will take you to the WPT
MENU screen This is a listing of
all the waypoints you have stored
in your Magellan GSC 100 Global Satellite As the number of waypoints in the library increases the WPT
MENU screen will add a second column of four waypoint names
to the right of the ones you have now and will continue to
another page Use the LEFTRIGHT ARROWs to move from
column to column and the UPDOWN ARROWs to move up and
down through the list When you reach the end of the page the
cursor will automatically scroll to the next page
Viewing a Waypoint
GP 2
S d 153P
While in any NAV or PLOT screen WPT MENU
press the AUX softkey Using the CREATE
UPDOWN ARROWs highlight POS
WAYPOINTS and press ENTER DOCK
WP001
Use the UPDOWN and LEFT
RIGHT ARROWs to highlight the
NAV PLOT GOTO AUX
waypoint you wish to view and
press ENTER to display the
GP 2
154P
WAYPOINT screen This screen S d
WAYPOINT
closely resembles the POSITION DOCK
screen with the notable addition of 34 1100N
the time and date the waypoint was 119 4302W
saved Use the LEFT or RIGHT 9 0 0 F T WGS84
ARROW to display the NAV PLOT GOTO AUX
WAYPOINT screen for adjacent
waypoints in the list Continue
pressing the LEFT or RIGHT
ARROW to scroll through the
entire list
GP 2
127P
The UPDOWN ARROWs give S d
TO DOCK
the bearing BRG and distance
DST for the selected waypoint on
the POINTER screen
E BRG DST
0 2 8m 1 3 5m
NAV PLOT GOTO GSC 100 Global Satellite Communicator 77
Accessing the Waypoint Function Menu
From any NAV or PLOT screen GP
d 154P
press the AUX softkey Use the WAYPOINT
DEODC ITK
UPDOWN ARROWs to select W P T 3P 4R 1O1J E0C0N
WAYPOINTS and press ENTER SUN R I S E
119 4302W
Select a waypoint from the list and D E9 L0 E0TFET W G S 8 4
press ENTER to access the 0 1 5 4 P 0 2D
S Y S M O SEEP97
WAYPOINT screen then press NAV PLOT GOTO AUX
MNU to access a menu of
a Waypoint
This enables you to rename a waypoint optional and to change
the coordinate values for the waypoint
From any NAV or PLOT screen press the AUX softkey Use
the UPDOWN ARROWs to select WAYPOINTS and press
ENTER Select a waypoint from the list and press ENTER to
access the WAYPOINT screen Press MNU to access the
function menu highlight EDIT and press ENTER
Changing the name of the waypoint is the first option Use the
LEFTRIGHT ARROWs to move the cursor and the UP
DOWN ARROWs to select the characters After changing the
waypoint name or if there are no changes to the waypoint
name press ENTER
Make changes to the position using the UPDOWN
ARROWs to scroll through the number list and the LEFT
RIGHT ARROWs to move left and right Press ENTER to
accept the changes After all changes are made to the position
and elevation press ENTER In a few seconds the changes
will be saved and the receiver returns you to the WAYPOINT
screen of the edited waypoint Any name or coordinate
changes that you made while editing have been saved
replacing the former name andor Magellan GSC 100 Global Satellite If you attempt t edit a waypoint contained in a route a
warning
message will appear WARNING WPT USED IN A ROUTE
ENTER TO CONTINUE You must first delete the waypoint
from the route or delete the route before modifying the waypoint
Projecting a Waypoint
This function allows you to project a waypoint which means to
create a waypoint at a certain distance and bearing from an
existing waypoint
From any NAV or PLOT screen GP
1242P
press the AUX softkey Use the WPT PROJECT
UPDOWN ARROWs to select FROM DOCK
WAYPOINTS and press ENTER D I S T
Select the waypoint in the list from BRG
which you wish to project a new
waypoint then press ENTER to NAV PLOT GOTO AUX
access the WAYPOINT screen
Press MNU to access the function menu highlight WPT
PROJEC and press ENTER The WPT PROJECT screen
appears with the FROM waypoint highlighted allowing you
to choose which waypoint you will be projecting from Use
the LEFTRIGHT ARROWs to scroll through the list of
available stored waypoints from which to choose Press
ENTER
Use the UPDOWN and LEFT GP
1242P
RIGHT ARROWs to key in the WPT PROJECT
FROM DOCK
distance at which you wish to
project the new waypoint When DIST 0 0 0 0m
you have finished press ENTER to BRG
confirm and continue
NAV PLOT GOTO GSC 100 Global Satellite Communicator 79
The cursor appears in the bearing GP
1252P
field BRG Use the UPDOWN WPT PROJECT
and LEFTRIGHT ARROWs to FROM DOCK
key in the bearing at which you DIST 0 1 3 5m
wish to project the new waypoint BRG 0 0 0m
When you have finished press
ENTER to confirm NAV PLOT GOTO AUX
The coordinates of the projected GP
d 202P
waypoint you have just created WPT PROJECT
appear on the WPT PROJECT 34 0200N
screen 118 4302W
899 FT
NAV PLOT GOTO AUX
GP C
To save these coordinates as a S d A
P 122P
DEFINE WPT
waypoint press ENTER to access
the DEFINE WPT screen Assign a 34 1100N
name using the UPDOWN and 119 4302W
LEFTRIGHT ARROWs then 900 FT
press ENTER
NAV PLOT GOTO AUX
The projected waypoint is saved as a new waypoint and the
display returns to the WAYPOINT screen from which you
projected the new a Waypoint
The DELETE function is used to permanently remove a waypoint
from your receivers memory
From any NAV or PLOT screen press the AUX softkey Use
the UPDOWN ARROWs to select WAYPOINTS and press
ENTER Select the waypoint in the list you wish to delete
then press ENTER to access the WAYPOINT screen Now
press MNU to access the function menu highlight DELETE
and press ENTER
80 Magellan GSC 100 Global Satellite The receiver will now give you one GP
d 242P
last chance to change your mind If WARNING
you are sure press the YES DELETE DOCK
softkey The waypoint is now
erased and you are returned to the
next waypoint in the list
YES NO
Waypoints that are currently used in a route cannot be deleted
discussed in the next section The receiver will warn you if you
attempt to do so
Routes
A route is a planned course of travel defined by a series of
To create a route you must already have waypoints stored in the
receivers memory These waypoints are then connected to form
the segments or legs of the route A route may contain from
one to fifteen GSC 100 Global Satellite Communicator a GOTO Route
The GOTO function enables you to create a simple oneleg route
from your present position to a defined waypoint When a GOTO
is active the title bar of the NAV1 NAV2 POINTER and ROAD
screens displays TO Destination Waypoint and the screens
display the corresponding navigation information
From the MAIN MENU press the GP
1203P
GPS softkey Press the GOTO GOTO
softkey use the UPDOWN BCKTRK
ARROWs to highlight the desired ROUTE
destination waypoint and press FISH
DOCK
ENTER The first four selections
in the GOTO MENU allow you to NAV PLOT GOTO AUX
activate a Man OverBoard MOB
Backtrack BCKTRK to access the route menu to activate an
existing route ROUTE or to activate a GOTO route with user
defined coordinates MOB BCKTRK and COORD functions
are discussed at the end of the this section
It is also possible to activate a GOTO from the PAN N SCAN
feature on the PLOT screen as described earlier
The receiver has now activated a route from your present position
to the destination waypoint you have just selected The last
viewed NAV screen is now displayed
If the receiver has not yet computed a position fix then the start of
the GOTO may not represent your current position It will
however correct the navigation information after a fix is acquired
If a route GOTO or MOB is already active the new GOTO
automatically replaces it and becomes the active route
82 Magellan GSC 100 Global Satellite Accessing the Route Menu
The ROUTE MENU is used to create and view up to five single or
multileg routes A popup menu allows you to activate
deactivate or reverse a selected route edit or view the legs of the
route or clear the route
The ROUTE MENU can be accessed in three ways
From any NAV or PLOT screen GP
d 424P
AUX MENU
press the AUX softkey Use the
ROUTE MENU
UPDOWN ARROWs to select WAYPOINTS
ROUTE MENU and press GPS SIMULATOR
ENTER ODOMETER
LAST FIXES
CLEAR MENU
NAV PLOT GOTO AUX
From any NAV or PLOT screen press
MNU to access the popup menu SAVE POS
CREATE WPT
Use the UPDOWN ARROWs to
ROUTE MENU
select ROUTE MENU and press CONTRAST
ENTER WPT PROJEC
SYS MODE
Press the GOTO softkey highlight GP
d 1203P
ROUTE and press ENTER GOTO
BCKTRK
ROUTE
FISH
DOCK
NAV PLOT GOTO GSC 100 Global Satellite Communicator 83
Creating a MultiLeg Route
This creates a route of 1 to 15 legs Each leg has a start and end
waypoint Each end waypoint is the start waypoint for the
following leg
From any NAV or PLOT screen S
d 254P
ROUTE MENU
press the MNU key Use the UP
1 EMPTY
DOWN ARROWs to highlight 2 EMPTY
ROUTE MENU and press ENTER 3 EMPTY
to access the ROUTE MENU Use 4 EMPTY
the UPDOWN ARROWs to select 5 EMPTY
an EMPTY route and press NAV PLOT GOTO AUX
ENTER
If there are no EMPTY routes in the ROUTE MENU you must
clear a route before you can create a new one
Use the LEFTRIGHT ARROWs GP
d 252P
to select the FROM waypoint This SET ROUTE
is the starting position for this leg of LEG 01
FROM DOCK
your route The default waypoint in
the FROM field is the current TO
position labeled as STRT1 with a
block icon in front The 1 NAV PLOT GOTO AUX
indicates that it is the START
waypoint of Route 1 Press GP 2
S d 252P
ENTER The highlight bar moves SET ROUTE
down to the TO line Use the LEG 01
LEFTRIGHT ARROWs to change FROM DOCK
the TO waypoint to be the TO FISH
destination for this leg Note that the
1 6 7m 1 0 5n
screen displays the bearing and
NAV PLOT GOTO AUX
distance for this leg of the route
Press ENTER to confirm the TO Magellan GSC 100 Global Satellite The receiver automatically used the GP
d 252P
TO waypoint from the previous leg S E T R O U T E
LEG 02
as the FROM waypoint for the next
FROM FISH
leg Continue to add legs to this
route by using the LEFTRIGHT TO
ARROWs changing the TO
waypoint and ENTER to confirm NAV PLOT GOTO AUX
The bearing and distance are
updated as you scroll through the various TO waypoints
When you have created as many legs of the route as desired
simply press ENTER with the TO highlight blank
The receiver will not accept a destination waypoint that is 01
distance units from the previous waypoint
The display returns to the ROUTE MENU The new route is now
the active route and can be viewed on the NAV and PLOT screens
Activating and Deactivating a Route
Only one MOB BACKTRACK COORD route or GOTO can be
active in use at any time When you set an MOB GOTO or
BACKTRACK route any multileg route that you were using is
automatically deactivated and replaced with the route you just set
Likewise creating a multileg route makes that route the current
active route deactivating any other route
From any NAV or PLOT screen press the MNU key Use the
UPDOWN ARROWs to highlight ROUTE MENU and press
ENTER Use the UPDOWN ARROWs to highlight the
route you wish to activate or deactivate and press ENTER
Use the UPDOWN ARROWs to highlight ACTIVATE or
DEACTIVATE and press GSC 100 Global Satellite Communicator 85
If the route you selected is currently active DEACTIVATE
will appear on the menu and pressing ENTER after
highlighting that option will deactivate the route To return to
the ROUTE MENU you will press the ESCAPE ESC key If
the route is not active ACTIVATE will appear on the menu
and pressing ENTER will activate the route and return you to
the ROUTE a Route
The REVERSE function allows you to take an existing route and
reverse the order of waypoints in the route For example if you
were to set a route that went from point A to point B and ended at
point C REVERSE would change the route to go from point C to
point B and ending at point A
From any NAV or PLOT screen press the MNU key Use the
UPDOWN ARROWs to highlight ROUTE MENU and press
ENTER Highlight the route you want to reverse and press
ENTER Use the UPDOWN ARROWs to highlight
REVERSE and press ENTER The route is reversed and the
display returns to the ROUTE MENU
Viewing the Route Summary Edit Option
The edit option displays a summary of the selected route
including starting and ending waypoints number of legs and total
distance It allows you to view insert delete and replace
individual legs of a route as well as choose the leg on which you
want to navigate by making this the current active leg
From any NAV or PLOT screen GP
d 252P
press the MNU key Use the UP SUMMARY
FROM DOCK
DOWN ARROWs to highlight
TO FISH
ROUTE MENU and press
4 LEGS
ENTER Use the UPDOWN TOTAL 105 n m
ARROWs to highlight the route DIST
you want to view and press NAV PLOT GOTO AUX
ENTER Use the UPDOWN
86 Magellan GSC 100 Global Satellite ARROWs to highlight EDIT and press ENTER The
SUMMARY screen for the selected route is displayed
Viewing the Legs of a Route
This allows the legs of a route to be viewed It is also the entry
point from which legs can be added removed or replaced
To review the route by viewing GP
d 332P
each of the legs individually LEG 1
FROM DOCK
starting from the SUMMARY TO FISH
screen shown above press the UP
1 6 7m 105n
DOWN ARROWs stepping BRG DST
through each leg of the route and
back to the route summary NAV PLOT GOTO AUX
Inserting a Leg in a Route
You can insert a leg in a route by inserting a waypoint between
the starting and ending waypoints of an existing leg thereby
dividing it into two legs
From any NAV or PLOT screen GP
d 424P
press the MNU key Use the UP EDIT LEG 1
ADD LEG
DOWN ARROWs to highlight INSERT
ROUTE MENU and press DELETE
ENTER Highlight the route to be REPLACE
NAVIGATE
edited and press ENTER Use the
UPDOWN ARROWs to highlight NAV PLOT GOTO AUX
EDIT and press ENTER Use the GP
d 252P
UPDOWN ARROWS to select INSERT LEG 1
the leg you want to edit and press FROM DOCK
ENTER In the EDIT LEG menu TO FISH
highlight INSERT and press 1 6 7m 105n
BRG DST
ENTER A highlight bar appears
for you to select the new TO NAV PLOT GOTO AUX
waypoint for this GSC 100 Global Satellite Communicator 87
Use the LEFTRIGHT ARROWs to scroll through the
waypoint list to the waypoint you wish to use as the destination
for this new intermediate leg and press ENTER
The new leg has now been added The FROM waypoint did not
change but the TO waypoint is now the one you just entered The
receiver has updated the bearing and distance for this leg and
displays it on the screen
Press the DOWN ARROW The following leg has also been
changed The following leg now starts from the waypoint you
designated as the TO waypoint for the previous leg
The new TO waypoint must have a distance greater than 01
distance units from the FROM waypoint the receiver will not
insert a leg within 01 distance units but will return to the leg
screen you were a Leg
Another feature of editing a route is the ability to delete one of
the legs
From any NAV or PLOT screen press the MNU key Use the
UPDOWN ARROWs to highlight ROUTE MENU and press
ENTER Highlight the route to be edited and press ENTER
Highlight EDIT and press ENTER Use the UPDOWN
ARROWs to view the route leg to be deleted Press ENTER
to access the EDIT LEG menu highlight DELETE and press
ENTER The receiver gives you one last chance to change
your mind Press ENTER to confirm The leg is removed
from the route Press any function key to abort the process
The new TO waypoint must be different from the old must have a
distance greater than 01 distance units from the FROM
waypoint the receiver will not insert a leg within 01 distance
units but will return to the leg screen you were Magellan GSC 100 Global Satellite Adding a Leg
You can add a leg to the end of the route in much the same way as
you would insert a leg only this time you add a waypoint to
extend the end of the route beyond the original destination
From any NAV or PLOT screen press the MNU key Use the
UPDOWN ARROWs to highlight ROUTE MENU and press
ENTER Highlight the route to be edited press ENTER Use
the UPDOWN ARROWs to highlight EDIT and press
ENTER Use the UPDOWN ARROWs to view the last leg
in the route Press ENTER to access the EDIT LEG menu
select ADD LEG and press ENTER
If ADD LEG does not appear as an option of the LEG EDIT
menu you were not viewing the final leg of the route To add a
leg to the end of a route you must be viewing the final leg when
you access the LEG EDIT menu To add a leg to a route see
Inserting a Leg in a Route
GP 2 332P
The ADD LEG screen appears with S d
ADD LEG 4
the destination waypoint of the FROM DOCK
route in the FROM field It is used TO FISH
as the starting point of the final leg
1 6 7m 105n
you wish to create A highlight bar BRG DST
appears for you to select the new
NAV PLOT GOTO AUX
TO waypoint for this leg
Use the LEFTRIGHT ARROWs to scroll through the
waypoint list to the waypoint you wish to use as the destination
for this new final leg and press ENTER
The new leg has now been added The receiver displays the
bearing and distance for this new final GSC 100 Global Satellite Communicator 89
Replacing a Waypoint
This allows the destination TO waypoint of a leg to be changed
to a different waypoint
GP 2
From any NAV or PLOT screen S 332P
REPLACE LEG 4
press the MNU key Use the UP FROM DOCK
DOWN ARROWs to highlight TO FISH
ROUTE MENU and press
1 6 7m 105n m
ENTER Highlight the route to be BRG DST
edited and press ENTER Use the
NAV PLOT GOTO AUX
UPDOWN ARROWs to highlight
EDIT and press ENTER Use the
UPDOWN ARROWs to view the leg to be modified Press
ENTER to access the EDIT LEG menu select REPLACE and
press ENTER
A highlight bar appears for you to select the new TO waypoint
for this leg replacing the existing one
Use the LEFTRIGHT ARROWs to scroll to the waypoint
you wish to use as the new destination for this leg of the route
and press ENTER
The new TO waypoint must have a distance greater than 01
distance units from the FROM waypoint the receiver will not
insert a leg within 01 distance units but will return to the leg
screen you were viewing
The destination has now been changed The receiver has
updated the bearing and distance for this leg and displays it on
the screen Press the DOWN ARROW The following leg has
also been changed and now starts from the waypoint you
designated as the TO waypoint for the previous leg
90 Magellan GSC 100 Global Satellite Navigating Activating a Leg
While navigating using the multileg route one leg of the route is
said to be active This is the leg that is currently being used to
provide navigational information It is sometimes desirable to
activate a different leg thereby changing the destination that you
are navigating towards
From any NAV or PLOT screen press the MNU key Use the
UPDOWN ARROWs to highlight ROUTE MENU and press
ENTER Highlight the route to be edited and press ENTER
Use the UPDOWN ARROWs to highlight EDIT and press
ENTER Use the UPDOWN ARROWs to view the leg to be
activated Press ENTER to access the EDIT LEG menu select
NAVIGATE and press ENTER The last viewed NAV or
PLOT screen will appear displaying the new active leg
If a route GOTO or MOB is already active the leg you choose to
navigate automatically replaces it as the active leg
Deleting a Route
This operation permanently removes a route from the ROUTE
MENU returning the route to the EMPTY status
From any NAV or PLOT screen press the MNU key Use the
UPDOWN ARROWs to highlight ROUTE MENU and press
ENTER Highlight the route to be cleared and press ENTER
Use the UPDOWN ARROWs to highlight DELETE and
press ENTER You will be prompted to confirm the deletion
of the route by either pressing ENTER or the softkey
corresponding to YES The route is now cleared from memory
and you are brought back to the ROUTE GSC 100 Global Satellite Communicator 91
Creating an MOB Man OverBoard Route
The MOB or Man OverBoard function causes the receiver to
save the position that is current when the feature is accessed and
creates a oneleg route back to that position
From the MAIN MENU press the GPS softkey Press the
GOTO softkey Use the UPDOWN ARROWs to highlight
MOB and press ENTER The receiver has now accepted that
position as the MOB designation and returns you to the last
viewed NAV screen
If you have already saved an MOB position the receiver will
prompt you to replace the MOB position Press the softkey
corresponding to YES to accept the new MOB
The MOB position and MOB route information will be lost when
the receiver is turned a Backtrack Route
This creates a route using fixes in the Last Fix Buffer up to 16 of
the most recent last fixes to create a route that backtracks the
course you last took This way you could leave point A travel for
some time set a backtrack route and the receiver would guide you
back to point A following the same course you just took
From the MAIN MENU press the GPS softkey Press the
GOTO softkey use the UPDOWN ARROWs to highlight
BCKTRK and press ENTER A backtrack is created in the
first available route
Last Fix Buffer
While you are taking position fixes your receiver can
automatically save them The receiver will store position fixes in
the last fix buffer at a rate you defined in SETUP under LAST
FIX Magellan GSC 100 Global Satellite Viewing a LAST FIX
From any NAV or PLOT screen press the AUX softkey Use
the UPDOWN ARROWs to highlight LAST FIXES and
press ENTER The LAST FIX screen that appears exactly
duplicates the screen you have already seen when viewing a
waypoint
Notice that the receiver has assigned a name that begins with a
plus and is followed by a twodigit number This number will
increase as the Last Fixes are being taken with the higher the
number the older the fix The receiver will store a total of 16
Last Fixes
Use the LEFTRIGHT ARROWs to scroll through the other
last fixes in the buffer
Viewing the LAST FIX Trip Summary Screen
This screen informs you that the summary you are about to view
will cover the trip you made from the time the selected last fix
was recorded to your present position POS or a different last fix
From any NAV or PLOT screen GP
d 154P
press the softkey corresponding to LAST FIX
LFX01
AUX Use the UPDOWN
34 1100 N
ARROWs to highlight LAST 119 4302 W
FIXES and press ENTER Use the 900 FT
LEFTRIGHT ARROWs to select any Last Fix except LFX01 NAV PLOT GOTO AUX
Press the UP ARROW to view the
TRIP SUMMARY screen Use the GP
d 254P
LEFTRIGHT ARROWs to select TRIP SUMMARY
any of the other fixes present in the FROM LFX03
0 1 5 4 P 0 2 S E P 9 7
last fix buffer that were taken after
the one chosen as the FROM
TO POS
waypoint After scrolling to the fix 0 3 1 8 P 0 2 S E P 9 7
desired press UP ARROW for the NAV PLOT GOTO AUX
Trip Summary for that GSC 100 Global Satellite Communicator 93
If you select LFX01 as the FROM waypoint you will not be
given the opportunity to change the TO waypoint since there
have been no other fixes saved since LFX01 was recorded A
message SELECT OLDER STARTING FIX FOR TRIP
Options
Setup options allow you to customize your receiver to display
information in the format that best suits your needs
GPS the Receiver
This option was discussed in more detail earlier but in general
INITIALIZE allows you to input the approximate coordinates
time and date for your present position if the unit has computed a
position fix or if it has had its memory cleared This function
should also be used any time the unit is moved more than 300
miles while turned OFF to help the unit acquire a fix faster
To initialize your GSC 100 proceed 1026A
MAIN MENU
from the MAIN MENU using the
ORBCOMM SATS
softkey options listed along the
0 8 11 P T O 0 8 1 6 P
bottom of the screen to the SETUP 0901P TO 0914P
MENU by pressing the SETUP UNREAD MSGS 0
softkey QUEUED MSGS 0
MSGS GPS SETUP SATS
Once in the SETUP MENU you 1026A
SETUP
will use the UPDOWN ARROW
GENERAL SETUP
to highlight GPS SETUP and press GPS SETUP
ENTER ORBCOMM SETUP
94 Magellan GSC 100 Global Satellite The GPS SETUP MENU is now GP
d 1028A
displayed with the menu option GPS SETUP
INITIALIZE
INITIALIZE highlighted Press COORD SYSTEM
ENTER Within the GPS SETUP ELEV MODE
MENU there is an additional page V E L O C I T Y AV G
SPEED UNITS
of options that the user can access DIST UNITS
by using the UPDOWN
ARROWS to scroll
You are now at the L
T 1030A
INITIALIZE
screen All four
arrow directions will be utilized as 00 0000N
000 0000W
depicted by the four way arrow
icon at the top of the screen Also
this screen becomes active in the
ALT mode as the only entries to be
made are numerical Use the same
procedure as was used earlier in the
GPS section
After that has been completed continue to the next section
Setting the Coordinate System
The coordinate system you select will depend on the maps or
charts that you are using with your receiver The default
coordinate system is LATLON DEGMIN00
From the MAIN MENU press the SETUP softkey Using the
UPDOWN ARROWs highlight GPS SETUP and press
ENTER Highlight COORD SYSTEM using the UPDOWN
ARROWs and press ENTER Use the UPDOWN
ARROWs to highlight coordinate system desired and press
GSC 100 Global Satellite Communicator 95
If you select LATLON you will be asked to select one of three
formats for displaying position coordinates DEGMIN00 DEG
MIN000 or DEGMINSEC If you choose one of the first two
options the display is in decimal format while the third option is
based on 60 seconds in a minute
Available Coordinate Systems
LATLON IRISH GRID
UTM SWISS GRID
OSGB SWEDISH GRID
Setting the Elevation Mode
In addition to position your receiver can compute your elevation
when it is receiving signals from at least four satellites This is
referred to as 3D Elevation Mode
From the MAIN MENU press the SETUP softkey Using the
UPDOWN ARROWs highlight GPS SETUP and press
ENTER Highlight ELEV MODE using the UPDOWN
ARROWs and press ENTER Using the UPDOWN
ARROWs highlight the mode desired and press ENTER
When there are only three satellites in view the receiver can only
compute a fix In this case the receiver will
display the last computed elevation or the elevation that you
manually entered in INITIALIZE This elevation mode is
referred to as 2D the default setting You may select either
elevation mode in this SETUP feature
If you select the 2D elevation mode you will be prompted to input
the elevation If you are unsure of the elevation you can press
ENTER to accept the previously used elevation
If you select the 3D elevation mode the receiver will calculate
elevation whenever signals are being received from at least four
satellites When fewer satellites are being tracked the receiver
will default to 2D and display the 2D icon at the top of the screen
96 Magellan GSC 100 Global Satellite Setting Velocity Averaging
As you are traveling with your unit on you may notice
fluctuations in the velocity displayed Velocity is susceptible to
Selective Availability and velocity averaging will minimize this
effect by displaying an averaged speed measurement You have
three options to choose from OFF no averaging would be used
where you require rapid updates of velocity 20 SECONDS
would be selected where rapid updates of velocity are not
essential generally at fairly low velocities or 60 SECONDS
where immediate velocity information is relatively unimportant
such as a long journey at a constant speed The default is OFF
To access this feature press the SETUP softkey from MAIN
MENU Using the UPDOWN ARROWs highlight GPS
SETUP and press ENTER Highlight VELOCITY AVG using
the UPDOWN ARROWs and press ENTER Highlight the
setting desired and press ENTER
Setting Speed Units
SPEED UNITS allows you to select the unit of measure for speed
measurements You may choose from KNOTS MILESHR or
KMHR The default is KNOTS
Press the SETUP softkey from MAIN MENU Using the UP
DOWN ARROWs highlight GPS SETUP and press ENTER
Highlight SPEED UNITS using the UPDOWN ARROWs
and press ENTER Highlight the setting desired and press
ENTER
Setting Distance Units
DIST UNITS Distance Units allows you to select the unit of
measure that distances will be displayed in You may choose
from NM nautical miles ST MILES statute miles or KM
kilometers The default setting is GSC 100 Global Satellite Communicator 97
To access this feature press the SETUP softkey from MAIN
MENU Using the UPDOWN ARROWs highlight GPS
SETUP and press ENTER Highlight DIST UNITS using the
UPDOWN ARROWs and press ENTER Highlight the
setting desired and press Elevation Units
ELEV UNITS Elevation Units is the same as DIST UNITS but
this time you will select the unit of measure that will be used to
display your elevation in You may choose from METERS or
FEET The default setting is FEET
To access this feature press the SETUP softkey from MAIN
MENU Using the UPDOWN ARROWs highlight GPS
SETUP and press ENTER Highlight ELEV UNITS using the
UPDOWN ARROWs and press ENTER Highlight the
setting desired and press North Reference
This sets the north reference of the displays to TRUE or
MAGNETIC The default North reference is MAGNETIC
To access this feature press the SETUP softkey from MAIN
MENU Using the UPDOWN ARROWs highlight GPS
SETUP and press ENTER Highlight NORTH REF using the
UPDOWN ARROWs and press ENTER Highlight the
setting desired and press Map Datum
Depending upon which map or chart you are using you may need
to change the Map Datum that the receiver will use The datum
required will be printed on the map or chart The most common
is WGS84 which is also the default Map Datum
98 Magellan GSC 100 Global Satellite To access this feature press the SETUP softkey from MAIN
MENU Using the UPDOWN ARROWs highlight GPS
SETUP and press ENTER Highlight MAP DATUM using the
UPDOWN ARROWs and press ENTER Highlight the
setting desired and press ENTER
Selecting Waypoint Sort
WPT SORT allows you to classify the waypoints stored in the
user waypoint catalog in alphabetical order or according to their
proximity to the present position with the closest listed first You
may choose from ALPHABETICAL NEAREST or ICON The
default setting is To access this feature press the SETUP softkey from MAIN
MENU Using the UPDOWN ARROWs highlight GPS
SETUP and press ENTER Highlight WPT SORT using the
UPDOWN ARROWs and press ENTER Highlight the
setting desired and press ENTER
Selecting the Last Fix Interval
This function allows you to set the rate that positions are
automatically saved to the last fix buffer The default is 10
minutes
To access this feature press the SETUP softkey from MAIN
MENU Using the UPDOWN ARROWs highlight GPS
SETUP and press ENTER Highlight LFIX INTERVAL using
the UPDOWN ARROWs and press ENTER Highlight the
setting desired and press ENTER
Plot Setup
PLOT SETUP allows you to adjust the track orientation and track
history on the PLOT screen For TRACK you may select OFF
01 05 10 or 50 The default track setting is 10 For
ORIENTATION you may select HEADING UP or NORTH UP
The default setting is HEADING GSC 100 Global Satellite Communicator 99
From the MAIN MENU press the SETUP softkey Using the
UPDOWN ARROWs highlight GPS SETUP and press
ENTER Highlight PLOT SETUP using the UPDOWN
ARROWs and press ENTER Use the UPDOWN
ARROWs to select the ORIENTATION desired and then use
the LEFTRIGHT ARROWs to select the TRACK setting
desired Press ENTER to accept your selections
General Setup
Selecting Time Format
Your Magellan receiver can display time in one of three formats
local 24hour military local 12hour AMPM or UT
Universal Time or Zulu The default Time Display is LOCAL
AMPM
To access this feature press the SETUP softkey from MAIN
MENU Using the UPDOWN ARROWs highlight
GENERAL SETUP and press ENTER Highlight TIME
FORMAT using the UPDOWN ARROWs and press
ENTER Highlight the setting desired and press ENTER
If the receiver does not have a computed position fix the receiver
displays a warning to alert you that an initial time has not been
set to INITIALIZE After inputting an initial time you may
change the format that time is displayed in
Setting the Light Timer
Since using the light in the unit uses up power at a quicker pace
this feature allows you to set the light timer to turn the units light
off at a certain time to help conserve power There are six
settings for the light timer OFF 15 SECONDS 30 SECONDS 1
MINUTE 2 MINUTES and 3 Magellan GSC 100 Global Satellite To set the light timer press the LIGHT key From the MAIN
MENU press the SETUP softkey Using the UPDOWN
ARROWs highlight GENERAL SETUP and press ENTER
Highlight LIGHT TIMER using the UPDOWN ARROWs
and press ENTER Using the UPDOWN ARROWs
highlight the setting desired and press ENTER
Sampling
Sampling causes the receiver to turn itself ON at intervals compute a position fix store the fix in the last fix buffer
and then turn itself OFF Sampling is also used to sendreceive
GlobalGrams at intervals and then turn itself OFF
The default setting is OFF
To access sampling press the SETUP softkey from MAIN
MENU Using the UPDOWN ARROWs highlight
GENERAL SETUP and press ENTER Highlight
SAMPLING using the UPDOWN ARROWs and press
ENTER Using the UPDOWN ARROWs highlight OFF
GPS ONLY or GPS AND MSGS and press ENTER If you
choose GPS ONLY or GPS AND MSGS use the UPDOWN
ARROWs to highlight the setting desired and press ENTER
To use the sampling feature to compute position fixes only you
would choose the setting GPS ONLY To use it to compute
position fixes and to sendreceive GlobalGrams you would
choose GPS AND MSGS
In order to use Sampling the receivers antenna must remain fully
visible to the sky If the antenna is blocked so that the receiver
cannot acquire sufficient satellites the receiver will be unable to
compute a position fix or sendreceive GlobalGrams and the
receiver will remain ON until the obstruction is removed
When Sampling is ON a warning message appears on the
POWER DOWN screen to remind you that you have Sampling
ON Sampling will continue until it is turned OFF or until the
battery warning is GSC 100 Global Satellite Communicator 101
When the unit is turned ON again a message will appear
requiring you to confirm whether you want SAMPLING ON or
OFF Select ON or OFF using the UPDOWN ARROWs and
press ENTER
Setting NMEA Port and Baud Rate
NMEA is the communication STANDARD for electronic marine
navigation equipment Your receiver outputs position and
navigation information in the NMEA 0183 format to support
navigation aids such as autopilots To use NMEA your receiver
must be connected to the NMEA device with the PowerData
Cable and the device you are using must accept the proper 0183
format Your GPS receiver must be on and computing fixes
before NMEA information will be output through the data port
To access this feature press the SETUP softkey from MAIN
MENU Using the UPDOWN ARROWs highlight
GENERAL SETUP and press ENTER Highlight NMEA
PORT using the UPDOWN ARROWs and press ENTER
Highlight the setting desired and press ENTER Using the
UPDOWN ARROWs highlight baud rate desired and press
ENTER
NMEA does not work while the unit is in ORBCOMM MODE
Therefore if you are using NMEA to control an autopilot it is
recommended that the GPS MODE be selected
Keep in mind that in order to support the NMEA device your
receiver must be operating continuously and Sampling should be
disengaged To prevent outages due to low batteries external
power is Magellan GSC 100 Global Satellite Selecting RS232 Port and Baud Rate
BAUD RATE allows you to select the appropriate baud rate for
your external equipment Check the documentation of your
external equipment You may choose from 9600 19200 57600
or 115200 The default setting is 9600
To access this feature press the SETUP softkey from MAIN
MENU Using the UPDOWN ARROWs highlight
GENERAL SETUP and press ENTER Highlight RS232
PORT using the UPDOWN ARROWs and press ENTER
Use the UPDOWN ARROWs to highlight ON and press
ENTER Using the UPDOWN ARROWs highlight baud
rate desired and press ENTER
Selecting Clear Menu
The CLEAR MENU option allows you to clear selected portions
of memory while keeping all other pertinent data intact
To clear the menu press the SETUP softkey from MAIN
MENU Using the UPDOWN ARROWs highlight
GENERAL SETUP and press ENTER Highlight CLEAR
MENU using the UPDOWN ARROWs and press ENTER
Highlight MESSAGES ADDRESSES LAST FIXES
TRACK WPTSRTS or ALL and press ENTER You are now
given the chance to confirm your entry If you wish to
continue press the YES softkey or ENTER If you do not
wish to CLEAR press the NO softkey
Contrast
CONTRAST allows you to adjust the contrast level of the display
to allow you to select the best contrast level for the particular
lighting condition you are in Following are the three ways to
alter the contrast level of the display on the GSC GSC 100 Global Satellite Communicator 103
To set the contrast press the SETUP softkey from MAIN
MENU Using the UPDOWN ARROWs highlight
GENERAL SETUP and press ENTER Highlight
CONTRAST using the UPDOWN ARROWs and press
ENTER Use the LEFTRIGHT ARROWs to adjust the
contrast and press ENTER
From any NAV or PLOT screen press the MNU key Using
the UPDOWN ARROWs highlight CONTRAST and press
ENTER Use the LEFTRIGHT ARROWs to adjust the
contrast and press ENTER
From the MAIN MENU press the MNU key Using the UP
DOWN ARROWs highlight CONTRAST and press ENTER
Use the LEFTRIGHT ARROWs to adjust the contrast and
press Magellan GSC 100 Global Satellite Additional Features
Viewing ORBCOMM SAT STATUS Screen
This screen displays the ORBCOMM satellites by their location
using azimuth and elevation data and showing their signal
strength using an energy bar located on the left side of the screen
The dot moving within the circles represents the satellite being
tracked with your location designated by the dot in the center of
the two circles
From the MAIN MENU press the OR
B 417P
SATS softkey You are now at the ORBCOMM SATS
Z m
ORBCOMM SATS screen showing 2
the location of the ORBCOMM
satellite being utilized as well as its
azimuth and elevation On the left
side of the screen is a signal 1 2 CLOCK GPS
strength bar showing that satellites
strength The more the bar is filled
the better transmission you are
getting Also below the satellite Satellite Being
strength bar is both the closed Tracked Satellite ID
User Location
envelope and mailbox with the icon
in the up position icons Next to B 417P
ORBCOMM SATS
these icons will be a number 7A
Z m
showing how many unread 4
GlobalGrams you have and how
many GlobalGrams have been sent
to the MAILBOX for As you receive and send 1 2 CLOCK GPS
GlobalGrams these numbers will
change When there is no Satellite
Strength Bar Satellite Track
ORBCOMM satellite in view this Messages Messages
screen lists the time of the next Received To Be Sent
GSC 100 Global Satellite Communicator 105
There is an additional screen OR
B 420P
accessed from the ORBCOMM ORBCOMM SATS
RISE SET ID
SATS screen By pressing the 0105P0115P 1
DOWN ARROW on your keypad 2 9m A
8 6m
Z 9 A
Z EL
you are brought to the ORBCOMM 0425P0440P 2
SATELLITE SCHEDULE screen 2 6m A
9 2m
Z 7 A
Z EL
showing the schedule of the next CLOCK GPS
several satellite passes including
elevation azimuth data and the Azimuth at the Azimuth at the Maximum elevation
satellite id and elevation Within beginning of end of satellite during satellite pass
satellite pass pass
this screen you can use the UP
DOWN ARROWs to scroll
through the available schedule
Abrupt changes of greater than 10 minutes or 100 km cause the
unit to recompute the ORBCOMM satellite schedule
Viewing GPS SAT STATUS Screen
This screen displays the satellites by their signal strength and
their position in the sky relative to your location An asterisk
indicates that the unit is not locked on to that particular satellite
When lock is achieved the will be replaced by the signal
strength of the satellite Signal strength will range from 0 to 9
with 9 representing better signal strength
From the MAIN MENU press the GP
d 257P
SATS softkey which brings you to GPS SATS
the ORBCOMM SATS screen and N
2 108 FT
then press the GPS softkey You 4
will then be at the GPS SATS 9
screen The center dot on the bulls 9 2
eye is your present position The ORB CLOCK
center ring is approximately 45
above the horizon and the outer
ring is the Magellan GSC 100 Global Satellite Viewing the Odometer
The Odometer feature displays the ODOMETER screen which
keeps track of total distance traveled as well as trip distance
similar to the odometer in an automobile
To view the odometer press the GP
d 242P
GPS softkey from the MAIN ODOMETER
ODOMETER
MENU and then press the AUX
0 0 0 0 0 0n
softkey Use the UPDOWN
TRIP ODOMETER
ARROWs to highlight
ODOMETER and press ENTER 0 0 0 0n
You are now at the ODOMETER NAV PLOT GOTO AUX
screen
Resetting the Odometer andor Trip Odometer
From the ODOMETER screen GP
d 242P
press MNU A popup menu will ODOMETER
R ES E T TR IP
ODOMETER
appear with the options to RESET R0ES0E0T0OD
0OM0nM
TRIP RESET ODOM or SYS S YS MOD E
TRIP ODOMETER
MODE Use the UPDOWN
ARROWs to highlight which 0 0 0 0n
odometer you wish to reset and NAV PLOT GOTO AUX
press ENTER This will reset the
odometer of choice and bring you
back to the ODOMETER screen
Viewing the Clock
The Clock option will display the current date and time in the
time format selected during setup
From the MAIN MENU press the SATS softkey and then press
the CLOCK softkey You are now at the CLOCK GSC 100 Global Satellite Communicator 107
Viewing the SUNMOON Screen
This screen will display the time of sunrise and sunset for the
chosen waypoint It also graphically displays the lunar cycle of
the moon
After accessing the GPS screens by pressing the GPS softkey
from the MAIN MENU press the AUX softkey Using the UP
DOWN ARROWs highlight WAYPOINTS and press
ENTER Highlight the waypoint in the list which you wish to
view sunrise information and press ENTER Press the MNU
key and use the UPDOWN ARROWs to highlight SUNRISE
and press ENTER
GP A
The first step in viewing the solar S
d L
T 1052A
DOCK
and lunar information is to enter the
27AUG97
date for which you want the SUN
information Use the UPDOWN SUN
and LEFTRIGHT ARROWs to MOON
set the date and press ENTER
NAV PLOT GOTO AUX
The receiver will compute the sunrise sunset and lunar cycle for
the waypoint chosen on the date you entered
GPS Simulator
The simulator mode causes the receiver to create a fictitious route
from your location to two newly created waypoints You will find
the Simulator very handy when you want to review or practice
using your receiver at home In the simulate mode you can watch
the receiver simulate movement and observe how the different
navigational screens respond
To activate the GPS Simulator press the SETUP softkey from
the MAIN MENU and using the UPDOWN ARROWs
highlight GENERAL SETUP and press ENTER Within the
GENERAL SETUP MENU use the UPDOWN ARROWs to
highlight GPS SIMULATOR and press ENTER You will
108 Magellan GSC 100 Global Satellite then be prompted to press ENTER to continue This will
return you to the GENERAL SETUP MENU To view the NAV
screens showing the simulation access the MAIN MENU and
press the GPS softkey
Using the simulator changes the current position When the
simulator is turned off the unit will need to compute a new fix
ORBCOMM Demo
This feature allows you to run a demonstration of the capabilities
associated with the messaging functions available As with the
GPS simulator this option simulates the functionality of
ORBCOMM operations and allows you to see what an incoming
and outgoing GlobalGram will look like in the units MESSAGE
LIST Using this feature will aid you in sending and receiving
messages using your GSC 100
From the MAIN MENU press the SETUP softkey Using the
UPDOWN ARROWs highlight GENERAL SETUP and
press ENTER From the GENERAL SETUP MENU highlight
ORBCOMM DEMO using the UPDOWN ARROWs and
press ENTER You will then press the ENTER key again to
confirm your desire to run the ORBCOMM DEMO
Erasing Last Fixes
ERASE LFIX will erase all of the waypoints in your Last Fix
Buffer By doing this you will free up those fixes for future use
From the MAIN MENU press the SETUP softkey Using the
UPDOWN ARROWs highlight GENERAL SETUP and
press ENTER From the GENERAL SETUP MENU highlight
CLEAR MENU using the UPDOWN ARROWs and press
ENTER Highlight LAST FIXES and press ENTER You
will then be given an opportunity to confirm this action so
press either the ENTER key or the YES softkey If you
change your mind then press the NO softkey or any other key
to exit without GSC 100 Global Satellite Communicator 109
Accessing the ABOUT Screen
At various times you will need to know the software version
number your GSC 100 is using as well as the serial number for
your unit Use the following steps to access this information in
the ABOUT screen
From the MAIN MENU press the SETUP softkey Use the
UPDOWN ARROWs to highlight GENERAL SETUP and
press ENTER Highlight ABOUT using the UPDOWN
ARROWs and press ENTER to access the ABOUT screen
Erasing Track from the Plotter Screen
As you use your receiver more you may soon notice the PLOT
screen becoming cluttered with the graphic display of your past
movement track You can erase the track display with the
CLEAR TRACK option
From the MAIN MENU press the SETUP softkey Use the
UPDOWN ARROWs to highlight GENERAL SETUP and
press ENTER Highlight CLEAR MENU and press ENTER
Using the UPDOWN ARROWs highlight TRACK and press
ENTER You will then be asked to either press ENTER or
the YES softkey to confirm that you want to erase the track
history If you change your mind press the NO softkey or any
other function key to leave the track unchanged
Erase All Waypoints from Waypoint List
CLEAR WAYPOINTS will erase all of the waypoints in your
waypoint list If routes currently exist clearing waypoints
requires that all routes be cleared and a message will be
displayed See Clearing Routes
From the MAIN MENU press the SETUP softkey Using the
UPDOWN ARROWs to highlight GENERAL SETUP and
press ENTER Highlight CLEAR MENU and press ENTER
Highlight WPTSRTS using the UPDOWN ARROWs and
110 Magellan GSC 100 Global Satellite press ENTER You will be instructed to press either the
ENTER key or the YES softkey to erase the waypoints If
you change your mind press the NO softkey or any other
function key to leave the waypoints intact
Clearing Receiver Memory
Clear Memory will erase all of your receivers memory including
resetting all of the Setup features to their default values
To clear memory access the MAIN MENU and press the
SETUP softkey Use the UPDOWN ARROWs to highlight
GENERAL SETUP and press ENTER Highlight CLEAR
MENU using the UPDOWN ARROWs and press ENTER
Use the UPDOWN ARROWs to highlight ALL and press
ENTER Either press the softkey corresponding to YES or
ENTER to confirm the CLEAR MENU command If you
change your mind press the NO softkey or any function key to
escape
Performing a Hardware Reset
If your GSC 100 unit locks up will not respond to any key
presses you may need to perform a hardware reset A hardware
reset clears the units memory and resets all of the setup
parameters to their default values
When conducting a hardware reset all data in the unit will be lost
with the exception of your speed dial addresses which are kept on
file at the GCC you designated This includes all addresses and
messages stored in the unit
To perform a hardware reset press the CAPS
ALT and POWER GSC 100 Global Satellite Communicator 111
ICONS
The top row of the display has been reserved for displaying icons
that assist you in determining the operating status of the GSC
Arrow Key Provides a visual indication as to which arrow
keys are active for the displayed screen There are different
combinations of keys as shown
Battery Charging Alerts the user that the receiver is
connected to external power and the battery is charging
Battery Warning The battery is low and needs to be re
charged or replaced
Poor GQ Alert The geometric quality GQ of the satellite
is poor Try to move away from any large obstructions that
may be blocking reception of satellite signals
d 2D Displayed when the unit is calculating a two
dimensional position fix using three satellites eg latitude
and longitude
d 3D Displayed when the unit is calculating a three
dimensional position fix using four satellites eg latitude
longitude and elevation
D Differential Indicates that the receiver is utilizing DGPS to
compute position fixes Requires an additional Differential
Beacon receiver to utilize DGPS
Light Displayed when the LCD backlight has been turned
on with the LIGHT key The backlight will cause the
batteries to deplete much quicker and should be used only
when needed
Old Data The receiver has not updated position fixes for
more than 15 Magellan GSC 100 Global Satellite C
CAPS Appears when the keypad is active and capital
letters are being used
ALT Appears when the keypad is active and the ALT
function is being used This signifies that the alternate
character mode is active and the characters listed in the
upper right corner of the alphanumeric keys are now being
utilized
S Simulator Indicates that the receiver is in GPS simulation
mode The simulator will stay active until the unit is turned
Envelope Appears in the status bar along the top of the
screen when you have unread messages in the MESSAGE
LIST This icon is also shown next to the actual messages in
the MESSAGE LIST alerting you that this message is unread
Open Envelope This icon appears next to messages that
you have already opened and read
Satellite Appears in the status bar when ORBCOMM
satellites are in view It appears during the times that the
satellites are visible as listed on the ORBCOMM satellite
schedule
Double Arrow When you are outdoors transmitting to an
ORBCOMM satellite you will see this icon appear in the
status bar It alerts you that the unit is in with a satellite and your available message option is
STANDARD
Broken Double Arrow Appears in the status bar when your
unit is transmitting to an ORBCOMM satellite but that
satellite is not transmitting to a Ground Earth Station It
alerts you that your only available message option is STORE
Down Arrow Displayed while the unit is listening to an
ORBCOMM satellite but not yet GSC 100 Global Satellite Communicator 113
Broken Down Arrow Displayed while the unit is
listening to an ORBCOMM satellite but not and the only available GlobalGram type is STORE FWD
Envelope and Check Appears after you execute the check
message function and there are unread messages in the unit
Check Appears after you have executed the check
messages function It will disappear after the unit has
checked for messages
Mailbox with Flag Up Appears when there are messages
present in the mailbox to be sent at the next satellite pass
The flag on the side of the mailbox is in the UP position
alerting you that mail is present
Mailbox with Flag Down Appears next to email messages
that have been sent
Page Represents globalgrams that have been saved but
have not been sent
OR ORBCOMM Mode Displayed when the unit is operating
in the ORBCOMM mode
S GPS Mode Displayed when the unit is operating in the
GPS mode
114 Magellan GSC 100 Global Satellite and Other Messages
Following are various screens that will be displayed alerting you
to the operating condition of your GSC 100
You have turned the unit ON after ATTENTION
resetting it or after just purchasing it GPS and the GPS mode has been
PRESS ENTER TO
INITIALIZE OR
Press the ENTER key and enter your ESCAPE TO
coordinates Refer to the section on CONTINUE
GPS Without
initializing the unit will not be able to
receive accurate positioning data used
both in Navigation and ORBCOMM
Satellite Scheduling
126P
You have attempted to Save your S
SAVE POS
position using a waypoint identifier INVALID
but havent assigned a name WAYPOINT
Press ENTER assign a symbol and NAME
PRESS ENTER
enter a name for that waypoint and
TO CONTINUE
press ENTER NAV PLOT GOTO AUX
126P
You have attempted to assign a S
SAVE POS
waypoint name that has already been DUPLICATE
used Every waypoint must have a WAYPOINT
unique name NAME
Press ENTER and assign a different PRESS ENTER
TO CONTINUE
name to the waypoint NAV PLOT GOTO GSC 100 Global Satellite Communicator 115
You have attempted to view the Last GP
S 136P
Fix List without having any fixes in LAST FIX
the Last Fix Buffer NO FIXES
Press the NAV softkey and position SAVED
the receiver to collect satellite signals
to compute a position fix The
NAV PLOT GOTO AUX
receiver will create a last fix after a
position fix is computed and will
continue to create a last fix every 10
minutes You have attempted to set a GOTO GP
S 139P
Backtrack without a sufficient number WARNING
of last fixes to create a Backtrack MORE FIXES
Position the receiver to collect NEEDED
satellite signals to compute fixes The TO CONTINUE
receiver will create a last fix after a
NAV PLOT GOTO AUX
position fix is computed and will
continue to create a last fix every 10
minutes You have attempted to set a route GP
S 126P
without having saved any waypoints ATTENTION
Enter one or more waypoints before ENTER
attempting to set a route WAYPOINT
TO CONTINUE
NAV PLOT GOTO AUX
116 Magellan GSC 100 Global Satellite You have tried to set a GOTO or GP
S 426P
Backtrack route without enough ATTENTION
empty spaces in the waypoint list to CLEAR
create the temporary waypoints that WAYPOINT
GOTO and Backtracks require TO CONTINUE
Access the WAYPOINT MENU by
NAV PLOT GOTO AUX
pressing the AUX softkey from any
GPS screen select waypoints you no
longer need and clear them from
memory If you were trying to set a
GOTO route you will need to clear
only one waypoint for a Backtrack
you may have to clear several
waypoints to create enough space for
the Backtrack temporary waypoints
You have pressed the GOTO softkey GP
S 139P
before the unit has been initialized WARNING
Initialize the receiver to continue POSITION FIX
NEEDED
TO CONTINUE
You have attempted to send a message GP
S 444P
without entering any recipients in the ATTENTION
TO screen MESSAGE HAS NO
RECIPIENTS AND
Press the YES softkey then the TO CANNOT BE SENT
softkey Enter the recipients of this
message and then press the SEND ADD RECIPIENTS
YES NO
GSC 100 Global Satellite Communicator 117
You have attempted to exit a message GP
S 534P
without saving it ATTENTION
MESSAGE NOT SAVED
Press the YES softkey to save the
message to the MESSAGE LIST or
press the NO softkey to exit without SAVED MESSAGE
saving BEFORE EXITING
YES NO
You are attempting to create a STORE OR
P 132P
FWD message TO
PRESS ADBK
Since you can only send these types of TO SELECT
messages to speed dial addresses you RECIPIENT
must access the ADDRESS BOOK and
choose the speed dial address desired
TEXT ADBK SAVE SEND
You have accessed the messaging GP
S 212P
functions without having any NO MESSAGES
messages inbound or outbound AVAILABLE
Press the NEW softkey to create a PRESS NEW
message TO CREATE
NAV PLOT GOTO AUX
You have changed the PREFERRED B 1034A
GCC ID designation PREFERRED GCC
PRESS ENT TO
Press ENTER to accept the new ID ACTIVATE
GCC ID
and your unit will reboot Pressing SYSTEM WILL
ESC will cancel the action and return REBOOT
you to the previously viewed screen
ESC TO Magellan GSC 100 Global Satellite The following is a brief guide to some of the problems that might
be encountered while using a GPS satellite receiver or
ORBCOMM and what you can do to correct
them
Receiver will not turn ON
1 Check to see if the battery pack is installed correctly
2 Replace the battery pack
3 If using external power make sure the connector is fastened
tightly
Receiver will not compute a position fix or is losing lock
1 Make sure that you have a clear and unobstructed view of
the sky with the unit held away from your body and that
your hand or other items are not blocking the antenna
2 Have you moved over 300 miles with the receiver off since
your last position fix If so the receiver may need to be
3 Check Sat Status to see where the satellites are and if the
receiver is acquiring data
4 Check date and time on the POSITION screen
Elevation jumps up and down
1 Errors induced by the Department of Defense called
Selective Availability SA can cause the elevation values to
fluctuate
Old Data Icon is displayed and stays ON
1 Make sure that you have a clear and unobstructed view of
the sky with the unit held away from your body and that
your hand or other items are not blocking the GSC 100 Global Satellite Communicator 119
2 Check Sat Status to see where the satellites are and if the
receiver is acquiring data
Battery life seems shorter than it should be
1 Make sure that you are using the Magellan NiCad battery
pack that was shipped with the unit
2 Shorter life span of the batteries can be due to excessive use
of the backlight Turn the backlight off when not needed
Position coordinates on your receiver do not match the location
on your map
1 Make sure that your receiver is set up to use the same datum
as your map The map datum is generally shown in the map
legend See Setting the Map Datum in the Setup Options
section of this manual for instructions on selecting the map
datum in your receiver
ORBCOMM
The unit will not acquire any ORBCOMM satellites even
though the unit shows theyre in view
1 Make sure that you have a clear and unobstructed view of
the sky with the unit held away from your body and the
antenna fully extended
2 Make sure that the unit is operating in either the AUTO
mode or the ORBCOMM mode
3 Make sure that the unit has calculated a position fix and that
the local time is displayed correctly If the unit has been
initialized with the wrong local time offset then the unit will
not reflect the correct ORBCOMM satellite schedule which
will prompt the unit to search for satellites at the wrong
times
4 If none of the above suggestions clear the problem put the
unit in ORBCOMM mode to make sure that it operates all of
the messaging functions first
120 Magellan GSC 100 Global Satellite The GlobalGram I sent did not get delivered to the specified
recipient
1 Make sure that you are sending the correct type of message
If you see the double arrow icon at the top of the screen then
you send a STANDARD message but if you see a broken
double arrow icon your message should be a STORE
2 Make sure that the address you are sending your message to
is the correct address for the intended recipient
3 It may take longer to deliver your GlobalGram if there is a
lot of system traffic slowing down the network
When entering data in the SUBJ or TEXT fields the cursor
stops and wont allow any more entries
1 Keep in mind the limit on the number of recipients for each
message as well as the limit on characters you can enter in
the SUBJ and TEXT fields For a STANDARD message
you can have seven 7 recipients primary and carbon copy
combined a 229 character limit for the SUBJECT field and
a 2000 character limit for the TEXT field A STORE
FWD message has one recipient has to be a speed dial
address with no SUBJECT and a 229 character limit in the
TEXT field
2 Make sure that you have typed all your information in the
correct fields Sometimes users start typing information in
the wrong field without noticing the softkey prompts for
each field
The message I created was sent to the MAILBOX when I just
wanted to SAVE it for editing at a later time
1 Make sure that the message was SAVED and not SENT
when you were done with it To SAVE a message for later
editing press the SAVE softkey when complete To SEND
the message to the MAILBOX for transmission press the
SEND softkey when GSC 100 Global Satellite Communicator 121
Not all of the messages that I had queued were sent
1 The number of globalgrams you can send per ORBCOMM
satellite pass may vary Inbound messages are received
before your outgoing GlobalGrams can be sent so if you
have incoming messages there is a possibility that some of
your outgoing messages might not get transmitted during
this satellite pass The angle of elevation of the
ORBCOMM satellite could create a shorter pass limiting
the number of GlobalGrams transmitted If there are objects
obstructing the view of the sky your messages might not get
transmitted Make sure your GSC 100 has a clear view of
the sky If the ORBCOMM network is busy handling a lot
of messages then there could be a chance that your message
doesnt get transmitted during the current pass
2 When your unit is checking for messages it may take longer
to send messages that you have already queued If there are
queued messages to be sent the number can vary
3 Make sure to check the icon next to the queued message If
the flag on the mailbox is in the down position the message
was sent If the flag is in the up position the message has
not been sent
None of the messages that I had queued were transmitted to the
ORBCOMM satellite
1 Make sure the unit is operating in either the AUTO or
ORBCOMM mode If the unit is operating in the GPS
mode then the receiver is not listening for ORBCOMM
satellites
2 Make sure that your unit has a clear view of the sky If there
are obstructions blocking the view of the sky your unit may
not transmit to ORBCOMM satellites
3 If your position coordinates are inaccurate off by more than
300 miles then the satellite pass schedule may be incorrect
4 If the time is incorrect by more than 15 minutes than the
satellite pass schedule may be Magellan GSC 100 Global Satellite 5 If this problem persists contact customer service
Contacting Customer Service
The previous list should allow you to solve most of the operating
problems you are likely to encounter if the receiver still appears
to be operating improperly there is one last resort Try clearing
the receivers memory in the CLEAR MENU and your receiver Be cautious before doing this as this will clear all
the waypoints routes addresses and messages that you have
input into the receiver
If you are unable to solve your operation problems please call
Magellans Customer Service at 800 7079971 are available Monday through Friday from 7 AM to 5 PM
USA Pacific Standard Time Faxes can be sent to Customer
Service at 909 3947050 You can email Magellan Technical
Support at To contact ORBCOMM Customer Service you can call 800
ORBCOMM 6722666 To contact ORBCOMM via email use
the following internet address
If necessary you can also return your unit to Magellan for repair
Please call for assistance first You must notify us before
shipping the unit by Parcel Post or UPS and include with the unit
a description of the problem and your name and address If your
return shipping address is different please include it
It is necessary to return the enclosed registration card in order to
activate the warranty
With all please be sure to state the model of the
receiver you have and if calling please be sure to have your unit
with you
Packages should be sent to the following GSC 100 Global Satellite Communicator 123
Magellan Systems Corporation
960 Overland Court
San Dimas CA 91773
Attn Magellan GSC 100 Global Satellite Data Messages
Data Transfer
Your GPS receiver can be set to output GPS data in the NMEA
0183 format to interface with other marine devices
To output NMEA data the dataport must be turned on by selecting
an output message format 0183A 0183B or 0183C from the
NMEA Setup function
NMEA Data Messages NMEA data is output at 4800 baud 8
N 1 checksum off These settings are acceptable to most
equipment and software There are several NMEA output message sets each with a
slightly different application Check the documentation for your
external equipment to select the appropriate message set
SET OUTPUTUSAGE
0183A BWC APA GLL VTG
Remote displays version 1x marine autopilots
0183B RMC RMB
navigation data for remote
map etc
0183C APB GGA BWC GLL VTG
Version 20 marine autopilot data and satellite data
NMEA Message Definitions
APA Autopilot cross track error direction to steer status
of GPS route status destination landmark name
and bearing from origin to destination old GSC 100 Global Satellite Communicator 125
APB Revised autopilot message contains all of the above
plus heading to steer toward destination bearing
from the present position to the destination
magnetic or true
BWC Range and bearing to a landmark
GGA GPS position time fix quality number of satellites
used HDOP Horizontal Dilution of Precision
differential reference information and age
GLL GPSderived latitude longitude and time of fix
RMB Data status cross track error direction to steer
origin destination landmark landmark location
bearing to destination and velocity toward the
destination
RMC Time latitude longitude speed over ground course
over ground and date
VTG Track magnetic and true and groundspeed knots
and KPH
OUTPUT DATA FORMAT
APA Autopilot Format A
1 2 3 4 5 6 7 8 9 1 ORed Blink and SNR A valid V
invalid
2 Cycle Lock A valid V invalid
35 Cross Track Sense L steer left R
steer Right NMi Units
67 Arrival Circle Arrival crossing of the line which is
perpendicular to the course line and
which passes through the destination
Magellan GSC 100 Global Satellite 89 Bearing dest LMK from origin LMK
Magnetic
10 Dest LMK identifier
APB Autopilot Sentence B
1 2 3 4 5 6 7 8 9 10 11 12 13 1 Status V LoranC Blink or SNR
warning
A general warning flag for
other
navigation systems when a
reliable fix is not
available
2 Status V LoranC cycle lock warning
flag
A OK or not used
3 Magnitude of XTE
4 Direction to steer L R
5 XTE units nautical miles
6 Status A arrival circle entered
7 Status A perpendicular passed at
landmark
89 Bearing origin to destination MT
10 Destination landmark ID
1112 Bearing present position to
destination Magnetic or True
1314 Heading to steer to destination
landmark Magnetic or GSC 100 Global Satellite Communicator 127
BWC To Selected Landmark Great Circle
1 2 3 4 5 6 7 8 9 10 11 1 UTC of Bearing
23 Lat N or S of landmark
45 Long E or W of landmark
67 Bearing True
89 Bearing Magnetic
1011 Distance naut miles
12 Landmark identifier
GGA Global Positioning System Fix Data
1 2 3 4 5 6 7 8 9 1213 14
1 UTC of Position
23 Latitude NS
45 Longitude EW
6 GPS Quality Indicator
0 fix not available or invalid
1 GPS Fix
2 Differential GPS Fix
7 Number of satellites in use
8 Horizontal dilution of precision
9 Antenna altitude abovebelow mean sea
level
10 Units of antenna altitude
11 Geoidal separation difference
between the WGS84 earth ellipsoid and
128 Magellan GSC 100 Global Satellite mean sea level geoid mean sea
level below ellipsoid
12 Units of geoidal separation meters
13 Age of Differntial GPS data Time in
seconds since last SC104 Type 1 or 9
update null field when DGPS is not
used
14 Differential reference station ID
00001023
GLL Geographic Position 1 2 3 4 5 12 Latitude NS
23 Longitude EW
4 UTC of position
6 Status A Data valid
RMB Generic Navigation Information immediately
follows RMC
1 2 3 4 5 6 7 8 9 10 11 13 14
A XX
1 Status A valid V invalid
23 XTE naut miles and direction to
steer L or R If XTE exceeds 999
NM display 999 in field 2
4 Origin landmark ID
5 Destination landmark ID
67 Destination Landmark Latitude N or GSC 100 Global Satellite Communicator 129
89 Destination Landmark Longitude E or
10 Range naut miles present fix to
destination landmark Great Circle
If range exceeds 9999 nm display
9999
11 Bearing True Great Circle Present
fix to dest landmark
12 Closing velocity to destination knots
13 Arrival ORed arrival circle and
crossing of line which is
perpendicular to the course line and
which passes through the destination
landmark
14 CHECKSUM Mandatory in this
sentence
RMC Transit Specific to be followed by RMB
1 2 3 4 5 6 7 8 9 1 Time UTC
2 Status A valid V invalid
34 Latitude at UTC time N or S
56 Longitude at UTC time E or W
7 Speed over ground knots
8 COG track degrees
9 Date DDMMYY
10 Variation degrees
11 Variation sense E or W
12 CHECKSUM Mandatory in this Magellan GSC 100 Global Satellite VTG Actual Track and Ground Speed SOG
1 2 3 4 5 6 7 8
12 Track degrees True
34 Track degrees Magnetic
56 Speed knots
78 Speed The formats listed are NMEA formats and Magellan receivers
may not output all of the information listed for a particular
format
A complete copy of the NMEA can be obtained
from
NMEA
PO Box 3435
New Bern NC 285643435
919 GSC 100 Global Satellite Communicator Datums
Datum Full Name Datum Full Name
WGS84 World Geodetic System IRELA Ireland 1965
NAD27 North American 1927 KAUAI Kauai
NAD83 North American 1983 KERTA Kertau 1948
ADIND Adinda KKJ KKJ Alaska LIBER Liberia 1964
ARC50 Arc 1950 LUZON Luzon
ARC60 Arc 1960 MASSA Massawa
ASTRO Camp Area Astro MAUI Maui
AUS66 Australian Geodetic 1966 MERCH Australian Geodetic 1984 MINNA Minna
BOGOT Bogota Observatory MONTJ
BUKIT Bukit Rimpah NAHRW Nahrwan Saudi Arabia
CAMPO Campo Inchauspe OAHU Oahu
CANAD Canada OEGYP Old Egyptian
CAPE Cape OHAWA Old Hawaiin
CARTH Carthage OMAN Oman
CENAM Central America PITCA Pitcairn Astro 1967
CHATH Chatham 1971 QATAR Qatar Chua Astro QORNO Qornoq
CORRE Corrego Alegre RT90 Rt90 Cyprus SAM56 Provisional So Am 1956
DJAKA Djakarta Batavia SAM69 South American 1969
EGYPT Egypt SCHWA European 1950 All Europe SICIL Sicily
EUR50 European 1950 W Europe SIERR
EUR79 European 1979 SWISS
GANDA Gandajika Base TANAN Tananarive Geodetic Datum 1949 1925
GHANA THAI Indian Thailand Ordnance Survey of GB 1936 TIMBA Timbalai
GUAM Guam TOKYO Tokyo
GUNSG G Segara
GUNSR VOIRO
HAWAI Hawaii WGS72 World Geodetic System
HERAT Herat North 1972
HJORS Hjorsey 1955 YACAR Yacare
HUTZU Hutzushan ZANDE Indian India Nepal
IRAN Iran
132 Magellan GSC 100 Global Satellite GPS Performance
Acquisition Times under optimal conditions
Warm Start Approximately 20 seconds
Cold Start Approximately 55 seconds
Update Rate 1 second 2D typical
Accuracy
Position 49 feet 15 meters RMS with Selective
Availability turned off
Velocity 015 knots 014 mph
Accuracy subject to degradation of 100m 2D RMS under
the United States Department of Defense imposed Selective
Limits
Speed 0 to 825 knots
ORBCOMM Performance
Data Rate 2400 bps Inbound
4800 bps Outbound
Addressing X400 Internet
Message Size Standard Globalgram 2000 Bytes Max
Store Fwd 229 Bytes Max
Frequencies
Uplink 14800 15005 MHz
Downlink 13700 13800 GSC 100 Global Satellite Communicator 133
Physical Size 8 x 35 x 175
Weight 32 ounces
Housing Splashproof construction
Temp Range
Operating 14F to 140F
10C to 60C
Storage 40F to 167F
40C to 75C
Antennas
GPS Internal Patch
ORBCOMM Telescoping
Power
Source 96 VDC Rechargeable NiCad Battery
Pack
1030 VDC External Power
Battery Life Up to 10 hours
Current Drain 300350 mA 12V GPS
400 mA 12V Magellan GSC 100 Global Satellite Systems
Positions are locations that are described in a unique way so that
one location cannot be confused with another This is done by
using a coordinate system to describe locations Your Magellan
receiver has the ability to use any one of six different coordinates
systems LATLON latitude and longitude UTM Universal
Transverse Mercator OSGB Irish Grid Swiss Grid or Swedish
Grid The one you select in SETUP will be determined by the
maps and charts you use you would generally want the receiver
to display position coordinates in the same system that is used by
your maps
LATLON Coordinate 00
System LATLON is the 42300
most commonly used
coordinate system today It
projects lines of latitude
Longitu
parallels and lines of
ERID
Latitude
longitude meridians onto
the earths surface Lines of
latitude are the equator and EQUATOR
the horizontal lines that are
parallel to it Lines of
longitude are the vertical
lines that are perpendicular to the equator and pass through the
poles A position is described as being the intersection of a line of
latitude and a line of longitude
Specifically a position is up to 90 degrees north or south of the
equator up to the poles which are 90N and 90S the equator is
0 latitude and up to 180 degrees east or west of the Prime
Meridian which is 0 longitude The Prime Meridian passes
through Greenwich England Parts of a degree are minutes
there are 60 minutes written as 60 to a degree Minutes can GSC 100 Global Satellite Communicator 135
be divided into smaller units Fractions of a minute can be
expressed as decimals or as seconds There are 60 seconds to one
minute written as 60 So a LatLon position coordinate can be
expressed in two ways which your Magellan GPS receiver
displays as 254750 or 254730
UTM Coordinate System Another commonly used coordinate
system is UTM Universal Transverse Mercator which is
generally found on landbased maps and quad sheets that are
produced by government map providers On land you may find
that UTM coordinates are easier to use than LatLon
UTM coordinates are easy to use but since the model it is based
on is somewhat abstract this section is a very simplified
introduction to UTM
Instead of projecting an imaginary grid of intersecting lines onto
the globe UTM projects sections of the globe onto a flat surface
Each of these sections is called a zone There are 60 zones to
cover the entire earth between 84N and 80S polar areas are not
described by UTM Each zone is 6 wide as projected from the
earths center
A UTM position is described by three elements the zone it is in
the easting and the northing Eastings and northings measure
how far into a zone a position is in meters Eastings are an east
west measurement and correspond roughly to longitude
Northings are a northsouth measurement and correspond to
latitude
This chart shows the position of Magellan Systems described in
both LatLon and UTM LATLON
DEGMINMM DEGMINSEC
34 0658N 34 0635N 11 4 23 818 E
117 4956W 117 4934W 37 74 624 N
136 Magellan GSC 100 Global Satellite 150 120 90 60 30 0 30
60 90 120 150 180
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53
54 55 56 57 58 59 3000 Km
3000 Mi
Scale at the The area described by the UTM coordinate system extends to 84N and to 80S
Other Coordinate Systems OSGB coordinates are similar to
UTMs but describe only Great Britain They must be used with
the GBR36 datum This coordinate system cannot be used in any
other part of the world The GSC 100 automatically selects the
GBR36 datum when the OSGB coordinate system is selected in
Setup While OSGB coordinates must be used with the GBR36
datum the GBR36 datum can be used with LATLON
coordinates just be sure the map you are using uses both LAT
LON and GBR36
If you select OSGBin the COORD SYS portion of the SETUP
MENU be sure to change the map datum back to the one you
will be using WGS84 is the default when changing to another
coordinate system
Magellan GSC 100 Global Satellite Communicator
137
What is GPS
GPS is a constellation of navigation satellites that orbit the earth
The precise time and position information transmitted by these
satellites is used by a GPS receiver to compute a position fix
The system is now officially declared and provides
continuous 24hour 3D position plus elevation coverage
anywhere on the earth
GPS was developed by the United States Department of Defense
to provide consistent reliable navigation information that is
unaffected by rough terrain and bad weather and is highly
resistant to multipath errors and interference The DoD continues
to administer and control the Global Positioning System
Although GPS was developed as a military navigation system its
civilian and commercial uses were recognized The satellites
therefore transmit two codes a militaryonly encrypted code
PPS and a Standard Positioning Service SPS
code All commercial and consumer GPS receivers are SPS
receivers
How Does GPS Work
Each GPS satellite transmits its precise location position and
elevation and the start
time of the
transmission A GPS
receiver acquires the
signal then measures
the interval between
transmission and receipt
of the signal to
determine the distance
between the receiver
and the satellite this is
138 Magellan GSC 100 Global Satellite ranging Once the receiver has computed range for at least three
satellites its location on the surface of the earth can be
determined
Every satellite transmits two types of data almanac and
ephemeris Almanac data is general information on the location
and health of each satellite in the Since it contains
general information an almanac can be collected from any
satellite A receiver with a current almanac in its memory knows
where in the sky to look for satellites given its last known
position and the time of day Ephemeris data is the precise
satellite positioning information that is used for ranging Each
satellite transmits its own ephemeris data
Both almanac and ephemeris data are required for a GPS receiver
to locate and acquire satellites quickly and compute a position fix
Your Magellan receiver copies these messages Accuracy
GPS positioning with an SPS receiver that is intended for general
use will produce an accuracy of 25 meters or better
In fact SPS receivers have proven to be far more accurate than
anyone anticipated DoD has decided that 25meter accuracy is a
potential risk and has introduced Selective Availability SA to
maintain a military advantage SA is a random error that is
introduced to the SPS code ephemeris and timing data and
reduces the accuracy of any SPS receiver The size of the error
changes but rarely exceeds 100 meters
The DoD civil GPS user policy is that GPS accuracy as affected
by SA is sufficient for general navigation In an open
environment it usually is Even with SA a GPS receiver will
bring you within visual range of a destination or target and GPS
remains the best available source of accurate reliable navigation
and positioning GSC 100 Global Satellite Communicator 139
DGPS
Differential GPS DGPS computes the size of the error and
applies it to positioning information There are several ways to
perform DGPS one of which is broadcast differential Broadcast
differential uses GPS receivers at control sites to measure the
range errors for all visible satellites and determines a correction
for each satellite These corrections are broadcast in the RTCM
SC104 format by a radio beacon at the control site to any
differential beacon receiver that is within range of the signal
The differential beacon receiver receives and demodulates the
signal then relays it to the users GPS receiver
The users GPS receiver applies the corrections to the positioning
information it collects to compute corrected position
and navigation data
This technique requires that your GPS receiver be connected to a
compatible differential beacon receiver such as the Magellan
DBRTM which is compatible will all Magellan
receivers You must also be within range of a differential radio
Magellan GSC 100 Global Satellite is ORBCOMM
System Description
The ORBCOMM System uses LowEarth Orbit LEO satellites
instead of terrestrial fixed site relay repeaters to provide complete
worldwide coverage The system is capable of sending and
receiving twoway alphanumeric packets similar to twoway
paging or email The three main components of the ORBCOMM
System are the space segment the constellation of satellites the
ground segment gateways which include the Gateway Control
Centers GCCs and Gateway Earth Stations GESs and the
Network Control Center NCC located in the United States and
subscriber communicators SCs handheld devices for personal
messaging or fixed units for remote monitoring and tracking
Frequency Allocation
The ORBCOMM System uses 137138 MHz and 400 MHz
frequencies for transmissions down to mobile or fixed data
devices and 148150 MHz frequencies for
transmissions up to the satellites These frequencies approved for
use by LEO satellite systems at the World Radio
Conference in February 1992 were allocated by the FCC to Little
LEO mobile satellite services in January 1993 The FCC granted
ORBCOMM a US commercial license in October 1994
Space Segment
The space segment is an array of up to 36 small satellites in circular orbit 825 km above the Earth Twentyeight
of the satellites are planned to be put in service by Q3 1998 with
the remaining eight serving essentially as ground spares to be put
into orbit when the system nears GSC 100 Global Satellite Communicator 141
The main function of ORBCOMMs satellites is to complete the
link between the GSC 100 and the switching capability at the
US NCC or a licensees GCC The satellites are orbiting packet
routers ideally suited to grab small data packets from the GSC
100 and relay them through a tracking Earth station and then to a
Ground Segment
The ground segment which has most of the of the
ORBCOMM System is comprised of GCCs GESs and
ORBCOMMs NCC which is located at ORBCOMMs
headquarters in Dulles VA The NCC also serves as North
Americas GCC Additionally within the US there are four GESs
located in Arizona Georgia New York State and Washington
State
Gateway Control Center GCC
Located in each country that is licensed to use the ORBCOMM
System the GCC provides switching capabilities to link mobile
SCs with customer systems via standard
modes including X400 X25 leased line
dialup modem public or private data networks and email
networks including the Internet Interfaces to the GCC enable
reliable efficient and cost effective integration of the
ORBCOMM System into existing or new customer MIS systems
Gateway Earth Station GES
ORBCOMMs GESs link the ground segment with the space
segment and will be in multiple locations worldwide The GESs
provide the following functions
Acquire and track satellites based on orbital information from
the GCC
142 Magellan GSC 100 Global Satellite Transmit and receive transmissions from the satellites
Transmit and receive transmissions from the GCC or NCC
Monitor status of local GES Monitor the system level performance of the satellite
connected to the GCC or NCC
The GES is redundant and has two steerable highgain VHF
antennas that track the satellites as they cross the sky The GES
transmits to the satellite at a frequency centered at 14961 MHz at
567 kbps with a nominal power of 200 watts The GES receives
3 watt transmissions from the satellite at 137138 MHz range
These up and downlink channels have a 50 KHz bandwidth
Network Control Center NCC
The NCC is responsible for managing the ORBCOMM network
elements and the US gateways through telemetry monitoring
system commanding and mission system analysis It provides
network management of ORBCOMMs satellite constellation and
is staffed seven days a week 24 hours a day by
What is the message process flow
A message sent from a remote unit in the US either stationary or
mobile is received at the satellite and relayed down to one of four
US GESs that connects the ORBCOMM ground system with the
satellites The GES then relays the message via satellite link or
dedicated terrestrial line to the NCC The NCC routes the
message to the final addressee via email dedicated telephone
line or facsimile Messages originated outside the US are routed
through GCCs in the same manner The message types are
Outbound STANDARD Outbound STORE FWD Inbound
STANDARD and INBOUND STORE GSC 100 Global Satellite Communicator 143
Messages and data sent to a remote SC can be initiated from any
computer using common email systems including the Internet
ccMail and Microsoft Mail The NCC or GCC then transmits the
information using ORBCOMMs global Magellan GSC 100 Global Satellite to Get More Information
There are many sources for more information on GPS and
navigation The sources listed here are just a few of the books
magazines and Internet addresses that deal with GPS Your local
library is a good source for technical books on GPS and
navigation
GPS Information Center
The GPS Information Center provides general information on the
Global Positioning System and satellite status This center is
operated by US Coast Guard for the Department of
and was established to provide information and to
serve as a point of contact for civilian GPS users
Voice telephone recording for constellation status 703
3135907
Computer bulletin board 703 3135910 up to 14400 bps
8 data bits 1 stop bit no parity
24 hour operator 703 3135900 fax 703 3135920
The GPS Information Center can NOT answer questions
regarding the GSC 100 Please contact Magellan Customer
Service at 909 3945000 for questions or assistance with
using your receiver
A Comprehensive Guide to Land Navigation with GPS
An excellent book written by Noel J Hotchkiss and published by
Alexis Publishing ISBN No This book uses
the Magellan GPS 4000 to discuss and describe land GSC 100 Global Satellite Communicator 145
with a GPS receiver The book is very easy to read and gets into
detail the art of navigating with GPS Available from Navtech
Seminars
Newsgroups Internet
Several USENET newsgroups have occasional postings related to
GPS Some of the more popular newgroups for GPS are
recboats
scispace
GPS World Magazine
Monthly magazine covering a wide variety of uses for GPS
receivers
Advanstar 859 Willamette Street
Eugene Oregon 97401
Phone 503 3431200
800 3460085 x363
Other Books of Note
B H Lichtenegger and J Collins 1994
Global Positioning System Theory and Practice 3rd Edition
326 pp
Institute of Navigation The 1980 Global Positioning System
Vol I
The Institute of Navigation US 246 pp
Institute of Navigation The 1984 Global Positioning System
Vol II
146 Magellan GSC 100 Global Satellite The Institute of Navigation US 257 pp
Institute of Navigation The 1986 Global Positioning System
Vol III
The Institute of Navigation US 293 pp
Institute of Navigation The 1986 Global Positioning System
Vol IV
The Institute of Navigation US 378 pp
Logsdon T 1992 Navstar Global Positioning System Van
Nostrand Reinhold New York 249 pp
These books and others not mentioned can be purchased from
Navtech Book and Software Store a division of Navtech
Seminars Inc They can be reached at
2775 S Quincy St 610
Arlington VA 222062204 USA
Phone 800 6280885
703 9310500
Fax 703 9310503
ORBCOMM Information
Information regarding ORBCOMM can be found at the following
internet location GSC 100 Global Satellite Communicator M Degrees Magnetic north
T Degrees True north
2D 3D BRG Bearing
CDI Course Deviation Indicator
CLR CLEAR
CTS Course To Steer
DEG Degrees
DST Distance
FT Feet
GCC Gateway Control Center
GES Gateway Earth Station
GPS Global Positioning System
GQ Geometric Quality
HDG Heading
KM Kilometers
KH Kilometers Per Hour
KPH Kilometers Per Hour
KT Knots
LAT Latitude
LFIX Last Fix
LON Longitude
M Meters
MI Miles
148 Magellan GSC 100 Global Satellite MIN Minutes
MNU MENU
MPH Miles Per Hour
NAV NAVIGATE
NM Nautical Mile
PC Personal Computer
SEC Seconds
SPD Speed
TTG Time To Go
UTM Universal Transverse Mercator
UT Universal Time
VMG Velocity Made Good
WPT Waypoint
WPTxx waypoint name
XTE Cross Track GSC 100 Global Satellite Communicator 149
City Reference SW Australia 345600 S 1383600 E
Alice Springs N Terr Australia 234200 S 1335200 E
Apia W Samoa 134800 S 1714500 W
Auckland New Zealand 365500 S 1744700 E
Bourail New Caledonia 213400 S 1652900 E
Brisbane Queensland Australia 273000 S 1530000 E
Canberra ACT Australia 351800 S 1490800 E
Coober Pedy S Australia 285600 S 1344500 E
Dampier W Australia 204500 S 1164800 E
Darwin N Terr Australia 122300 S 1304400 E
Derby W Australia 171900 S 1233800 E
Honiara Guadalcanal Solomon Is 92800 S 1595700 E
Iron Range Queensland Australia 123900 S 1431300 E
Mount Isa Queensland Australia 205000 S 1392900 E
Nadi Vitti Levu Fiji 174700 S 1772900 E
Newman Mt WAustralia 232000 S 1193400 E
Ooldea S Australia 303000 S 1314500 E
Perth W Australia 315800 S 1154900 E
Port Moresby Papua New Guinea 93000 S 1470700 E
Rawlinna W Australia 310000 S 1252100 E
Timaru New Zealand 442300 S 1711400 E
Townsville Queensland Australia 191300 S 1464800 India 125800 N 773500 E
Bangkok Thailand 134400 N 1003000 E
Beijing China 395500 N 1162600 E
Bombay India 185600 N 725100 E
Calcutta India 223000 N 882000 E
Colombo Sri Lanka 65500 N 795200 E
Delhi India 284000 N 771400 E
Hanoi Vietnam 210100 N 1055200 E
Harbin China 454500 N 1264100 E
Ho Chi Minh City Vietnam 104600 N 1064300 E
Hong Kong 221500 N 1141000 E
Islambad Pakistan 334000 N 730800 E
Jakarta Indonesia 60800 S 1064500 E
Kagoshima Japan 313700 N 1303200 E
Kandla India 230300 N 701100 E
Karachi Pakistan 245100 N 670200 E
Kathmandu Nepal 274200 N 851900 E
Kinabalu Malaysia 60300 S 1163200 E
Kota Malaysia 23300 N 1021000 E
Kuala Lumpur Malaysia 30800 N 1014200 E
Kunming China 250400 N 1024100 E
150 Magellan GSC 100 Global Satellite Indonesia 75900 S 1124500 E
Mandalay Burma 215700 N 960400 E
Nagpur India 211000 N 791200 E
Padang Indonesia 61200 S 1202700 E
Palu Indonesia 81900 S 1214400 E
Pinang Malaysia 53000 N 1002800 E
Pontianak Borneo 00500 S 1091600 E
Rangoon Burma 164700 N 961000 E
Sapporo Japan 430500 N 1412100 E
Seoul S Korea 373000 N 1270000 E
Shanghai China 310600 N 1212200 E
Sorong Indonesia 05000 S 1311700 E
Surakarta Indonesia 73200 S 1105000 E
Tanahmerah Indonesia 60800 S 1401800 E
Taipei Taiwan 250500 N 1213200 E
Thimphu Bhutan 273200 N 894300 E
Tokyo Japan 354000 N 1394500 E
Tonhil Mongolia 461900 N 935400 Mongolia 475400 N 1065200 E
rmqi China 434300 N 873800 E
Wuhan China 303500 N 1141900 E
Xian China 341600 N 1085400 E
Yumen China 395400 N 974300 Russia 645000 N 1775000 Russia 643200 N 404000
Ashkhabad Turkmenistan 375800 N 582400 E
Baku Azerbaijan 402200 N 495300 E
Balkhash Kazakhstan 465000 N 745700 E
Barnaul Russia 532100 N 834500 E
Chita Russia 520300 N 1133500 E
Gizhiga Russia 620000 N 1603400 E
Igarka Russia 673100 N 863300 E
Inarigda Russia 631500 N 1074000 E
Kargasok Russia 590700 N 805800 E
Khatanga Russia 715900 N 1023100 E
Kiev Ukraine 502500 N 303000 E
Krasnodar Ukraine 450200 N 390000 E
Magdagachi Russia 532700 N 1254400 E
Moscow Russia 554500 N 374200 E
Okhotsk Russia 592000 N 1431500 E
Perm Russia 580100 N 561000 Russia 545300 N 691300 E
Riga Latvia 564000 N 1061000 E
Saratov Russia 513000 N 455500 E
Tashkent Uzbekistan 411600 N 691300 E
Tulun Russia 543200 N 1003500 E
Vanino Russia 490500 N 1401400 Russia 430900 N 1315300 E
Vorkuta Russia 672700 N 640000 E
Yakutsk Russia 621000 N 1295000 E
Magellan GSC 100 Global Satellite Communicator 151
Middle East
Al Kuwayt Kuwait 292000 N 480000 E
Ar Riyad Saudi Arabia 243900 N 464600 E
Baghdad Iraq 332000 N 442600 E
Bam Iran 365700 N 575600 E
Halab Syria 361400 N 371000 E
Herat Afghanistan 342000 N 621200 E
Jerusalem Israel 314700 N 351300 E
Kabul Afghanistan 343100 N 691200 E
Mashhad Iran 361600 N 593400 E
Nazw Oman 225600 N 573300 E
Salalah Oman 170000 N 540400 E
San a Yemen 152400 N 441400 E
Shiraz Iran 293800 N 523400 E
Tabriz Iran 380500 N 461800 E
Tarim S Yemen 160800 N 485800 E
Tehran Iran 354000 N 512600 Ivory Coast 51900 N 40100 W
Ad Dakhla W Sahara 234300 N 155700 W
Adis Abeba Ethiopia 90300 N 384200 E
Algiers Algeria 365000 N 30000 Madagascar 185200 S 473000 E
Asmera Ethiopia 152000 N 385800 E
Aswn Egypt 240500 N 325600 E
Bamako Mali 124000 N 75900 W
Banghazi Libya 320700 N 200400 E
Bangui Central African Republic 42300 N 183700 E
Beira Mozambique 194900 S 345200 E
Cairo Egypt 300300 N 311500 E
Capetown South Africa 335600 S 182800 E
Dakar Senegal 144000 N 172700 W
Fs Morocco 340500 N 50000 W
Freetown Sierra Leone 83000 N 131700 W
Harare Zimbabwe 175000 S 310300 E
Kabwe Zambia 142900 S 282500 E
Kampala Uganda 01900 N 323500 E
Kano Nigeria 120000 N 83100 E
Khartoum Sudan 153300 N 323200 E
Kinshasa Zaire 41800 S 151800 E
Kisangani Zaire 03300 N 251400 E
Lagos Nigeria 62700 N 32800 E
Las Palmas Canary Islands 280800 N 152700 W
Lindi Tanzania 100000 S 394100 E
Lobito Angola 122000 S 133400 E
Lom Togo 61000 N 12100 E
Lubumbashi Zaire 114100 S 272900 E
Lderitz Namibia 263800 S 151000 E
Lusambo Zaire 45900 S 232600 E
Maputo Mozambique 255800 S 323500 E
Maseru Lesotho 291900 S 272900 E
Mbale Uganda 10400 N 341200 E
152 Magellan GSC 100 Global Satellite Somalia 20200 N 452100 E
Monrovia Liberia 62000 N 104600 W
Mwanza Zaire 75100 S 264300 E
N Djamena Chad 121000 N 145900 E
Nairobi Kenya 11700 S 365000 E
Namibe Angola 151000 S 120900 E
Nouakchott Mauritania 180900 N 155800 Burkina Faso 122000 N 14000 W
Pointe Noire Congo 44600 S 115300 E
Port Elizabeth South Africa 335800 S 253600 E
Sabha Libya 270200 N 142600 E
Serowe Botswana 222500 S 264400 E
Sidi Ifni Morocco 292400 N 101200 W
Toliara Madagascar 232000 S 434100 E
Tombouctou Mali 164900 N 25900 W
Tripoli Libya 325400 N 131100 E
Tsumeb Namibia 191300 S 174200 E
Tunis Tunisia 365000 N 101300 E
Windhoek Namibia 223400 S 170600 E
Yaounde Cameroon 35100 N 113100 E
Zanzibar Zanzibar 61000 S 391200 Greece 380000 N 234400 E
Barcelona Spain 412300 N 21100 E
Bern Switzerland 465700 N 72600 E
Bordeaux France 445000 N 03400 W
Brno 491300 N 164000 E
Bucuresti Romania 442500 N 260700 E
Budapest Hungary 473000 N 190300 E
Cork Ireland 515400 N 82800 W
Gdansk Poland 542200 N 184100 E
Glasgow Scotland 555300 N 41500 W
Godthb Greenland 641500 N 513500 W
Hamburg Germany 533300 N 100000 E
Istanbul Turkey 410200 N 285700 E
London England 513000 N 01000 Svalbard Norway 781200 N 154000 E
Madrid Spain 402500 N 34300 W
Napoli Italy 405000 N 141600 E
Nice France 434200 N 71600 Greenland 713000 N 530000 W
Oslo Norway 595600 N 104500 E
Paris France 485200 N 22000 E
Reykjavik Iceland 640900 N 215800 Greenland 703000 N 220000 W
Stensele Sweden 650500 N 171000 E
Stockholm Sweden 592000 N 180500 E
Thule Greenland 763500 N 683000 W
Torshavn Faeroes 620200 N 64700 W
Trabzon Turkey 410000 N 394300 E
Vardo Finland 601600 N 202000 E
Magellan GSC 100 Global Satellite Communicator 153
The NY USA 424000 N 734900 NM USA 350500 N 1063800 W
Amarillo TX USA 351400 N 1015000 W
Anchorage AK USA 611000 N 1500000 Chile 234000 S 702300 W
Arequipa Peru 162500 S 713200 W
Atlanta GA USA 334500 N 842300 W
Barrow AK USA 711600 N 1565000 W
Baton Rouge LA USA 303000 N 911000 W
Belem Brazil 12700 S 482900 W
Bethel AK USA 604900 N 1614900 W
Billings MT USA 454700 N 1083000 W
Birmingham AL USA 333000 N 865500 W
Bismarck ND USA 465000 N 1004800 W
Bogot Colombia 43800 N 740500 W
Boise ID USA 433800 N 1161200 W
Boston MA USA 422000 N 710500 W
Brasilia Brazil 154500 S 475700 W
Buffalo NY USA 425200 N 785500 W
Caracas Venezuela 103500 N 665600 W
Casper WY USA 425000 N 1061800 W
Cayenne French Guiana 45500 N 522000 W
Charlotte NC USA 350300 N 805000 W
Chicago IL USA 415000 N 874500 W
Chihuahua Mexico 284000 N 1060600 W
Churchill Mannitoba Canada 584500 N 930000 W
Cleveland OH USA 413000 N 814100 W
Comodoro R Argentina 455000 S 673000 W
Coppermine NW Terr Canada 674900 N 1151200 W
Crdoba Veracruz Mexico 185500 N 965500 W
Cuiab Brazil 71500 S 582500 W
Dallas TX USA 324700 N 964800 W
Denver CO USA 394500 N 1050000 W
Des Moines Iowa USA 413500 N 933500 W
Detroit MI USA 422300 N 830500 W
Duluth MN USA 464500 N 921000 W
Fairbanks AL USA 645000 N 1475000 W
Fort McPherson NW Terr Canada 672900 N 1345000 W
Fort Providence NW Terr Canada 610300 N 1174000 W
Georgetown Guyana 64600 N 581000 W
Grand Rapids MI USA 425700 N 864000 Mexico 204000 N 1032000 W
Guantnamo Mexico 200900 N 751400 W
Guatemala Guatemala 143800 N 902200 W
Guayaquil Equador 21300 S 795400 W
Hazelton BC Canada 551500 N 1273800 W
Houston TX USA 294500 N 952500 W
Ilhus Brazil 145000 S 390600 IN USA 394500 N 861000 W
Iquitos Peru 35100 S 731300 W
Juneau AK USA 582000 N 1342000 W
Kansas City MO USA 390200 N 943300 W
La Habana Cuba 230800 N 822200 W
154 Magellan GSC 100 Global Satellite City NFLD Canada 525600 N 665200 W
Las Vegas NV USA 361000 N 1151000 W
Lima Peru 120600 S 770300 W
Little Rock AR USA 344200 N 921700 W
Los Angeles CA USA 340000 N 1181500 W
Louisville KY USA 381300 N 854800 W
Managua Nicaragua 120600 N 861800 W
Manaus Brazil 30600 S 600000 W
Merida Venezuela 82400 N 710800 W
Miami FL USA 254500 N 801500 W
Milwaukee WI USA 430300 N 875600 MN USA 450000 N 931500 W
Montevideo Uruguay 345500 S 561000 W
Nakina BC Canada 591200 N 1324800 W
Nashville TN USA 361000 N 865000 W
New York NY USA 404300 N 740100 W
Norfolk VA USA 365400 N 761800 W
Oklahoma City OK USA 352800 N 973300 W
Omaha NE USA 411500 N 960000 W
Panama City Florida 301000 N 854100 W
Panama City Panama 85700 N 793000 W
Peace River Alberta Canada 561500 N 1171800 W
Peoria IL USA 404300 N 893800 W
Phoenix AZ USA 333000 N 1120300 W
Pittsburgh PA USA 402600 N 800000 Haiti 183300 N 722000 W
Portland OR USA 453200 N 1224000 W
Porto Velho Brazil 84500 S 635400 W
Qubec Qubec Canada 465000 N 711500 W
Rapid City SD USA 440600 N 1031400 W
Recife Brazil 80600 S 345300 W
Reno NV USA 393200 N 1194900 W
Rio de Janeiro Brazil 225300 S 431700 W
Salt Lake City UT USA 404500 N 1115500 W
San Antonio TX USA 292500 N 983000 W
San Francisco CA USA 374500 N 1222700 W
San Juan Puerto Rico 182900 N 660800 W
Santarm Brazil 22600 S 544100 W
So Paulo Brazil 233300 S 463900 W
Saskatoon Saskatchewan Canada 521000 N 1064000 W
Seattle WA USA 473500 N 1222000 W
Shreveport LA USA 323000 N 934600 W
Sioux Falls SD USA 433400 N 964200 W
Spokane WA USA 474000 N 1172500 W
St Louis MO USA 384000 N 901500 W
Tampa FL USA 275800 N 823800 W
Tijuana Mexico 322900 N 1171000 W
Toronto Ontario Canada 434200 N 792500 W
Valparaiso Brazil 211600 S 505400 W
Vancouver BC Canada 491300 N 1230600 W
Veracruz Mexico 191100 N 961000 W
Washington DC USA 385500 N 770200 W
Whitehorse Yukon Terr Canada 604100 N 1350800 W
Wichita KS USA 374300 N 972000 W
Magellan GSC 100 Global Satellite Communicator Manitoba Canada 495300 N 971000 W
Pacific Samoa 142000 S 1700000 W
Baker I 01200 N 1762800 W
Easter I 270500 S 1092000 W
Gambier I 231000 S 1350000 W
Honolulu HA USA 211900 N 1575000 W
Howland I 04800 N 1763800 W
Jarvis I 02300 S 1600200 W
Kanton I 25000 S 1714000 W
Lihue 215900 N 1592300 W
Palmyra I 55200 N 1620500 W
Pitcairn I 250400 S 1300600 W
Swains I 593000 S 10000 W
156 Magellan GSC 100 Global Satellite External The GSC 100 comes with a data power extension cable shown
below that connects your GSC 100 to the AC power cable for
external power It also connects the RS232 software update
cable for uploading software and connects to various accessories
Data Power Extension Cable
To connect to external power connect the screwlock sleeve
shown above to the RS232Power port on the side of the GSC
100 Take the AC power adapter cable shown on the following
page and snap it onto the available end of the data power
extension cable Make sure that the connections are snug so as
not to disconnect during use The AC power adapter cable is now
ready to plug into external power
Use care when connecting the cables so as not to damage the
connectors and contacts Make sure the pins are correctly
aligned before GSC 100 Global Satellite Communicator 157
AC Power Cable
To connect the RS232 software update cable connect the screw
lock sleeve on the data power extension cable shown on the
previous page to the RS232Power port on the side of the GSC
100 Take the RS232 software update cable shown below and
snap it onto the available end of the data power extension cable
Make sure that the connections are snug so as not to disconnect
during use The RS232 software update cable is now ready to
connect to the 9pin serial port on your PC
RS232 Software Update Cable
158 Magellan GSC 100 Global Satellite The following accessories can be obtained from Magellan
Systems Corporation or any dealer They
connect to your GSC 100 through the data power extension cable
DC Power Cigarette Lighter Adapter allows you to connect
the unit to power using a cigarette lighter
Power Data Adapter Cable allows access to serial port and
NMEA interface for GPS operations and the RS232 data
download cable that ships with the unit
Additional Accessories The items listed below can be obtained
from your local GSC 100 dealer
Carrying Case
External Antennas GPS ORBCOMM
Swivel Mounting Bracket
PC Software Kit
DataCharger GSC 100 Global Satellite Communicator Leg The segment of a route currently being The logical or
Internet address is used to facilitate
moving data between physical networks Identifier
assigned to networks stations and other devices so
that each device can be separately designated to
receive and reply to messages Each host computer
on the Internet has a unique Angle The angle of the lineofsite vector projected on the
horizontal plane measured clockwise from true
Retraces the position fixes up to 21 stored
automatically by the GSC 100 every 10 minutes
Baud A measure of the speed of data transmission Baud
and bit rate are the same for direct equipment
eg via RS232 Baud and bit
rate are not the same for modulated data links
whether wire or radio
Baud Rate Measure of data transmission speed expressed in
bits per second or bps
Bearing The compass direction from your position to a
destination measured to the nearest degree
Bit Binary Digit The smallest unit of information into
which digital data can be subdivided and which a
computer can hold Each bit has only two values
one or zero
Channel Either a single frequency or a pair of radio
frequencies used as a communication path
160 Magellan GSC 100 Global Satellite A set of conditions or parameters that define track
maintain and audit the structure of an item The
term configuration can define the hardware
components andor the software code and files that
comprise a subsystem or A unique numeric or alphanumeric description of
The direction in degrees from the start landmark of
a course line to its Course to steer The optimum direction the vessel
should be steered in order to efficiently make
headway back to the courseline while also
proceeding toward the destination landmark It is a
compromise course bearing that projects from
your current position to a point on the courseline
midway between a point perpendicular to your
position and the current leg destination Rate The maximum number of bits of information which
can be transmitted per second as in a data
transmission link typically expressed as megabits
per second Mbs
Datum Refers to the theoretical mathematical model of the
earths sea level surface Map makers may use a
different model from which to chart their maps so
position coordinates will differ from one datum to
another The datum for the map you are using can
be found in the legend of the map
Default Setting A preset or initial value that is assumed to be the
preferred or appropriate selection for most
GPS A procedure of correction global positioning system
GPS solutions to achieve improved position
accuracy Differential GPS provides 2 to 5 meter
position GSC 100 Global Satellite Communicator 161
EMail Electronic Mail A method of file transfer and
message sending among Distance above or below mean sea Angle The angle between the line of sight vector and the
horizontal plane
EPE Estimated Position Error is the approximate error
between 0 and X introduced in the ephemeris
signal by the US Department of Defense for
reasons of security This random error known as
Selective Availability SA is not due to receiver
error and is not significant enough to affect
navigation for most The number of vibrations per second of an audio or
radio signal Measured in hertz Hz kilohertz
kHz or megahertz 1 Provides message processing and subscriber
management for the defined service area 2 A
package that runs on the open
system OSI application layer and
allows incompatible protocols to communicate
includes X25 gateways 3 A relay at any layer
above the network The GCC acts as the Operations Center for all
Control Gateway activities All must pass
Center GCC through an ORBCOMM GCC
Gateway Interacts with the Network Management System
Data System and Network Data Server to exchange network
status and system performance Used by the satellites to send traffic telemetry and
Downlink network management packets to the Magellan GSC 100 Global Satellite The GES provides between the
Earth OMS and the satellite The consists of medium gain tracking antennas RF and
modem equipment and hardware
to send and receive ORBCOMM data packets A
single GES can communicate with multiple
satellites within its main beam
Gateway The GMS provide management including supervision of the health and status various systems and equipment in the Gateway
monitoring physical facilities that house the
Gateway elements monitoring message processing
flow and throughput monitoring status of
links that connect the GES to GSS
providing the interface between the Gateway and
ORBCOMM NCC
Gateway Used by the NCCs to send traffic and to the Measures the probable accuracy of a position fix
Quality based on the position of the satellites relative to
each A single packet sent or received by a
subscriber communicator Standard and Store
Fwd messages are considered TO A single leg route with the present position being
the start of the route and a defined landmark as the
destination If the unit has been moved while
turned off and has not yet acquired a new position
fix the start of the GO TO will be the position fix
last GSC 100 Global Satellite Communicator 163
Heading The direction in which the GSC 100 is moving
track or ground course May be different from the
A concatenation of many individual TCPIP
networks into one single logical network all sharing
a common addressing scheme
Last Fix Position coordinates computed and stored
automatically every 10 minutes in the Last Fix
Buffer
Last Fix Buffer The list of the most recent last fixes stored by the GSC 100
Latitude The angular distance north or south of the equator
measured by lines encircling the earth parallel to
the equator in degrees from 0 to 90
LATLON Coordinate system using latitude and longitude
coordinates to define a position on the earth
Leg Route A segment of a route that has a starting FROM
landmark and a destination TO landmark A route
may consist of 1 or more legs A route that is from
landmark A to landmark B to landmark C to
landmark D has three legs with the first being from
landmark A to landmark B
Longitude The angular distance east or west of the prime
meridian Greenwich meridian as measured by
lines perpendicular to the parallels and converging
at the poles from 0 to North The direction toward the north magnetic pole from
the observers A that converts digital data
into analog waveform signals for transmission
along media that carry analog signals and converts
received analog signals back into digital data for
use by the Magellan GSC 100 Global Satellite The NCC houses the computer systems and
Control Center personnel Gateway Operators responsible for
NCC managing the Satellites and the US ORBCOMM
Gateway and for supporting Licensees
ORBCOMM 1 A system that sends and receives data and
messages typically over a cable A network
enables a group of computers to with each other
share peripherals such as hard disks and printers
and access remote hosts or other networks 2 A
series of points by channels The switched telephone network consists
of public telephone lines normally used for dialed
telephone calls a private network is a of communication channels reserved for the use of
a sole customer A series of nodes connected by
The ORBCOMM mobile wireless satellite
system is a wide are packet
switched twoway data system to and from a mobile ORBCOMM subscriber to the
Gateway is accomplished by use of a of low Earth orbit A coordinate system describing only Great Britain
similar to UTMs Used with GBR36 datum
Pin Code The OMS maintains a 4digit number Personal
Number PIN code for each SC
Position Fix Position coordinates as computed by the GSC 100
Queue A line or list formed by items waiting for service
such as tasks waiting to be performed stations
waiting for connection or messages waiting for
Temporarily storing packets until a task or resource
can consume or route GSC 100 Global Satellite Communicator 165
Receiver A detector and electronic circuitry to change optical
signals to electrical Route Reverses the order of landmarks in an existing
Described by the number of satellites the of planes the altitude the inclination the spacing
of the right ascension of ascending nodes of the
planes and the relative phasing of the satellites
between and within the A random error that is introduced by Department of Defense to the Standard Positioning
Service SPS code ephemeris and timing data that
reduces the accuracy of any SPS The size of the
error changes but rarely exceeds 100 Port A port in which each bit of information is brought
inout on a single channel Serial ports are
designated for devices that receive data one bit a t a
time
Store Fwd Store Fwd messages are up to 229 user bytes per
packet to be sent by the SC and 182 user bytes per
packet to be Manages the configuration of each Sets up accounts for Gateway customer and configures activates and deactivates
Server managing the Satellites and the US ORBCOMM
Gateway and for supporting Licensees
ORBCOMM A device usually equipped with a keyboard and
display capable of sending and receiving data over
a link
166 Magellan GSC 100 Global Satellite To Go The estimated time for the receiver to reach the
destination from its current position based on the
current VMG
True North The direction to the geographical North Pole from
an observers position The north direction on any
geographical The actual path travelled may differ from the
planned course
Track History The track over a selected period of time
UT Universal Time formerly referred to as Greenwich
Mean Time GMT
UTM Universal Transverse Mercator UTM metric grid
system used on most large and intermediate scale
land topographic charts and maps
VMG Velocity Made Good The component of the
velocity that is in the direction of the A location saved in the units memory which is
obtained by entering data editing data calculating
data or saving a current position Used to create
routes
2D Two Dimensional A 2D position is defined as
latitude and longitude Altitude is assumed to be
fixed
2D GPS Mode A procedure for determining a 2D position using
signals received from the best for only three
available GPS satellites Altitude is assumed to be
known and constant A 2D position solution will
only be determined if signals from three or more
satellites are Three Dimensional A 3D position is defined as
latitude longitude and GSC 100 Global Satellite Communicator 167
3D GPS Mode A procedure for determining a 3D position using
signals received from the best for only four
available GPS satellites A 3D position solution
will only be determined if signals from four or more
satellites are Magellan GSC 100 Global Satellite 148
ABOUT Screen 110
Accuracy See Messaging Book 36
capturing an address 39
creating a new address 37
deleting an address 38
editing an address 38
selecting recipients from the address book 52
speed dial addresses 40
viewing an address 36
Antenna 12
GPS 4
ORBCOMM Telescopic 4
Auto Message Check 35
AUTO Mode See System Modes AUTO 92
Batteries 7
charging 8
Baud Rate NMEA 102
Baud Rate RS232 103
City Reference Chart clear menu 103
Magellan GSC 100 Global Satellite Communicator 169
clearing receiver memory 111
erasing all waypoints from waypoint list 110
erasing last fixes 109
erasing track from the plotter screen 110
Contrast Systems 135
setting 95
Customer Service 123
Datums 132
Distance Units Mode 96
Elevation Units 98
Erasing See PowerDevices 157
connecting ac power cable 158
connecting data power extension cable 157
connecting RS232 software update cable 158
dc power cigarette lighter adapter 159
power data adapter cable 159
Font Size 33
Gateway Control Center GCC 142
setting the preferred GCC 32
Gateway Earth Station GES 142
Getting Started 4
GlobalGrams 45
copying 57
creating 45
170 Magellan GSC 100 Global Satellite deleting 61
editing 56
forwarding 59
inserting symbols and characters into GlobalGrams 53
replying to 58
requesting message check 20 41
sending a GlobalGram to a GSC 100 51
sending Standard GlobalGrams 18 47
sending Store Fwd GlobalGrams 49
Standard 45
Store Fwd 45
viewing created GlobalGrams 54
viewing received GlobalGrams 43
Glossary 160
GOTO
activating 82
creating 25
creating with PAN N SCAN 72
GPS Mode See System Modes GPS mode
GPS Satellite Status Screen 106
GPS System Description 138
Icons 112
GPS 64
Messaging ORBCOMM 42
waypoint designators GPS 9 94
ORBCOMM 31
Inputting Data 27
Inserting Symbols And Characters Into GlobalGrams GSC 100 Global Satellite Communicator 171
Last Fix
last fix buffer 92
viewing 93
viewing the last fix trip summary screen 93
adding 89
deleting 88
inserting a leg in a route 87
navigating activating 91
viewing the legs of a route 87
Light 27
setting timer 55
Main Menu MOB 92
Map Datum 98
Message Check See GlobalGrams requesting message check
Message Status 62
Messaging Activation 3
Messaging Operations 30
Modes See System Route See Routes creating a multileg route
NAV Screens 65
customizing 67
NAV 1 screen 68
NAV 2 screen 69
NAV 1 screen 66
NAV 2 screen 66
plot screens 69
172 Magellan GSC 100 Global Satellite changing the plotter scale 71
using PAN N SCAN 71
viewing the PLOT screen 70
viewing the POINTER screen 69
viewing the ROAD screen 73
viewing the POSITION screen 65
Navigating 25
Network Control Center NCC 143
NMEA 125
setting NMEA port 102
North Reference resetting 107
resetting trip 107
viewing 107
ORBCOMM Mode See System Modes ORBCOMM mode
selecting 30
ORBCOMM Satellite Status Screen 105
ORBCOMM System Description List 2
PAN N SCAN 71
PLOT Screen See NAV Screens plot screens viewing the PLOT
screen
PLOT Screens See NAV Screens plot screens
Plot Setup 99
Plotter Scale 71
POINTER Screen See NAV Screens plot screens viewing the
POINTER saving as a waypoint 73
saving with a name 74
Magellan GSC 100 Global Satellite Communicator 173
saving with a usercreated name 74
Position Fix
taking first fix 21
POSITION Screen See NAV Screens viewing the POSITION
screen
Power 9
turning OFF 9 27
turning ON 9 26
Power Savings Mode Sampling Description 4
Reception See Signal 26
Reset 111
ROAD Screen See NAV Screens plot screens viewing the ROAD
screen
Routes 81
accessing the route menu 83
activating a GOTO route 82
activating and deactivating 85
adding a leg 89
creating a backtrack route 92
creating a multileg route 84
deleting a leg 88
deleting a route 91
inserting a leg in a route 87
navigating activating a leg 91
replacing a waypoint 90
reversing 86
viewing the legs of a route 87
viewing the route summary edit 101
174 Magellan GSC 100 Global Satellite GPS See GPS Satellite Status Status Screen
ORBCOMM See ORBCOMM Satellite Status Screen
Serial Number 3
ABOUT screen 110
Setup Menu 94
Setup Options 94
contrast 103
default characters 33
display characters setting 34
font size 33
GCC selection 32
initializing the receiver 94
plot setup 99
sampling 101
selecting clear menu 103
selecting map datum 98
selecting RS232 port and baud rate 103
selecting the last fix interval 99
selecting time format 100
selecting waypoint sort 99
setting distance units 97
setting elevation units 98
setting NMEA port and baud rate 102
setting north reference 98
setting speed units 97
setting the coordinate system 95
setting the elevation mode 96
setting the light timer 100
setting velocity averaging 97
Signal Reception 12
Simulator
GPS 108
ORBCOMM GSC 100 Global Satellite Communicator 175
GPS system 133
ORBCOMM system 133
Speed Dial See Address Book speed dial Units See Setup Options setting speed Screen 108
Symbols 6 53
System Modes 14 29
AUTO mode 14 29
GPS mode 14 29
ORBCOMM mode 14 29
Time Format 119
UTM Coordinate System Averaging 97
Warning Messages 115
Waypoints 73
accessing the waypoint function menu 78
accessing the waypoint menu 76
creating 75
deleting 80
editing 78
naming 74
projecting 79
replacing 90
saving 22
sort 99
viewing 77
176 Magellan GSC 100 Global Satellite Systems Corporation Limited Warranty
All Magellan GPS receivers are navigational aids and are not intended to
replace other methods of navigation The purchaser is advised to position charting and use good judgement Read the User before using this product
1 MAGELLAN SYSTEMS CORPORATION Systems Corporation warrants their GPS receiver to be free of defects in material and workmanship for a
period of one year from the date of original purchase This only to the original purchaser of this product
In the event of a defect Magellan Systems Corporation will at its
option repair or replace the product with no charge to the purchaser
for parts or labor The repaired or replaced product will be warranted
for ninety 90 days from the date of return shipment or for the
balance of the original warranty whichever is longer
2 PURCHASERS Exclusive Remedy under this written warranty or any
implied warranty shall be limited to the repair or replacement at
Magellan Systems Corporations option of any defective part of the
receiver or accessories which are covered by this warranty Repairs
under this warranty shall only be made at an authorized Center
3 PURCHASERS DUTIES
To obtain warranty service the purchaser must return the receiver postpaid with proof of the date of original purchase return address to Magellan
Authorized Service Centers Prior
to returning your receiver the purchaser must first contact Magellan for
return LIMITATION OF IMPLIED as set forth in item 1 above all other expressed or including those of fitness for any particular purpose are
hereby states do not allow limitations on warranties so the above not apply to you
5 warranty does not cover the following
Battery Pack excluding workmanship
Finishes
Defects resulting from Any damage due to accident resulting from inaccurate satellite
Inaccurate transmissions can occur due to changes
in the position health or geometry of a satellite
Any damage due to shipping misuse negligence or tampering or
improper use
Servicing performed or attempted by anyone other than an
authorized Magellan Service Center Modifications to the receiver which may be required due to any
change in the Global Positioning System GPS Note All
Magellan GPS receivers use GPS to obtain position velocity and
time information GPS is operated by the US Government which
is solely responsible for its accuracy and maintenance Certain
conditions can cause inaccuracies which could require to the receiver Examples of such conditions include but are not
limited to changes in the GPS transmission Such modifications are
not covered by this warranty
Damage resulting from improper external of this product by anyone other than an Service Center will void this warranty
6 EXCLUSION OF INCIDENTAL OR Systems Corporation shall not be liable to purchaser or any
other person for any incidental special indirect or whatsoever including but not limited to lost profits from delay or loss of use loss of or
damages arising out of
the use or inability to use this product or breach of this warranty even
though caused by negligence or other fault In no event will Corporation be responsible for such damages even if
Magellan Systems Corporation has been advised of the possibility of
such states do not allow the exclusion or limitation of incidental damages so the above limitation or exclusion may not
apply to you
7 MERGER
This written warranty is the complete final and exclusive Magellan Corporation and the purchaser with respect to the
quality of performance of all the goods and any and all warranties This warranty sets forth all of regarding this product
This warranty gives you specific legal rights and you may also have
other rights which vary from state to state
8 FOR PURCHASERS OUTSIDE OF THE UNITED STATES
This warranty gives you specific rights You may have other
rights which vary from province to province and contained in this limited warranty may not apply to
If you purchased this product outside of the United States this is governed by the laws of the State of California and shall
benefit Magellan Corporation its successors and assigns
For further information concerning this limited warranty please call or
write
Magellan Corporation
960 Overland Court
San Dimas California 91773
Phone 909 3945000
FAX 909 3947050
email 960 Overland Court San Dimas CA 91773

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Disclaimer:
The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerious of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.