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Table of Contents Notice ; Introduction nect to the transducers and 12 volt
power. The transducer information is
Introduction Modern navigation electronics are Datamarine is pleased you have converted by the main unit to Link
remarkably accurate and trouble
free. Nevertheless, information from / chosen the Link 5000 System for format and is transmitted on the Link
System Configuration your boat. We know you will be network. Additionally, the 5100 main
your Link equipment or from any $ii. satisfied with your decision. unit has a liquid crystal display and a
Installation other navigation aid should not be The 5000 is part of the techni- keyboard for display selection.
Main Unit relied upon exclusively. Instruments cally advanced Link family, which The 550 remote is the most
Transducers can fail due to interference, faulty uu allows it to be networked to any common remote display for the Link
550 Remote transducers, incorrect installation, other Link instrument. Powerful and 5000 System, although other Link
instrument malfunction and operator flexible systems are easily config- remotes may be used instead of (or
Operation error. Always analyze Link informa-
Depth ured for your particular requirements. in addition to) the 550. The 550
tion and cross check with all other These state of the art instru- receives wind, speed, and depth
Speed/ Log available navigational techniques.
Wind ments use only the finest materials information via the network. It per-
The prudent navigator will never use and are manufactured in the United forms calculations and displays the
Compass a single navigational aid exclusively.
Loran States by people who want to pro- results at the remote location.
Remote duce a quality product. To serve you The significant features of the
equally well after your purchase, we 5000 system are listed below.
maintain a complete service record
on each instrument, and we ask that Model 5100 NAV Station Main Unit
you help us serve you by promptly Depth Functions:
"egistering your Warranty. - 2.5 feet - 399 feet, or equivalent in
3 TOrealize the full potential of
your Link instruments, please take a
meters or fathoms, selectable by
pushbutton,tenths below 20 feet,
few minutes to read through the meters, or fathoms.
manual before installing your units. - 39 position alarm (main unit alarm
setting independent of remote
Features - Depth offset 4 feet above to 8 feet
below the transducer
The Link 5000 System is a network - Remote alarm output 12VDC .05
of advanced microcomputer based amps.
instruments designed for moderate - Alarm mute control silences main
size racing and cruising sailboats as unit and all other units on the
well as fine motor yachts. It inte- network
grates the important functions of
speed, depth, wind, compass head- Speed Functions:
ing and loran data into a single main - 0.00 to 35.0 knots (or 40 MPH)
unit. This main unit (model 5000 or actual speed with trend indicators
5100) can communicate via the Link - Average speed (resettable)
network to any of several dozen dif- - Velocity-made-good (VMG)
ferent Link instruments. This makes upwind or downwind
the system flexible and expandable. - Logs
The "Main Unit", either the a. 0.00 to 2,000 miles resettable
5000 or 5100, serves as the trans- b. 0.0 to 10,000 miles accumulating
ducer interface point. Connections - Timer count up to 20 hours
All rights rese~ed.No part of this work are made here to the wind, speed, (00:OO to 19:59, Min:Sec)
covered by the copyrights hereon may be and depth transducers as well as (00:20 to 1959, Hrs:Min)
reproduced or copied in any form or by any
the primary connection to the elec- - Sat Nav output - 200 Pulses per
means - graphic, electronic, or mechanical, Mile relay switch closure 50%
including photocopying, recording, taping, or
information and retrieval systems - without :
nic compass, loran, and Sat Nav.
e 5000 and 5100 are termed
2 duty cycle
Odjjyright 1985 written permission of Datamarine lnternationaj, Main Units" since a system must - Four levels of damping to smo:;!~
Datarnarine International.Inc. Inc.
contain at least one of these to con- speed display
- Apparent wind speed and angle
Model 5000 Standard Main Unit
- Specifications identical to 5100
- True wind speed and angle main unit without LCD display Configuration
- Four levels of damping to smooth - 0.0 to 10,000 miles accumulating
wind speed and angle display log ,
Compass Functions: Model 550 Remote Display T; MASTHEAD SENSOR
- Displays boat heading in degrees ~~~~h~ ~ ~ ~ ~ i ~ ~ ~ , .
magnetic - 2.5 feet to 999 feet or equivalent
- Displays true wind direction in in meters or fathoms w 5 5 0 REMOTE
degrees relative to magnetic north - 46 position alarm (independent of LINK NETWORI<
- Transmits heading onto Link net- main unit alarm)
work for use by any other Link - Alarm mute control (silences
instruments. remote and all other units on the
Loran Functions: network) I
- Interfacesto Loran-C receivers
> SAT NAV OUTPUT
Speed Functions: 5 0 0 0 OR 5100
with the "CDX output > 2 0 0 PPM
- 0.00 to 35.0 knots (or 40.0 MPH) M A I N UNIT
- Transmits Loran data onto Link - Speed trend indicators REMOTE ALARM
network - Average speed (resettable and A A A Y )
independent of main unit) LORAN
- Velocity-Made-Good (VMG)
- Depth - 205Khz, model DX-111,
nylon low profile upwind or downwind
- Speed - model SX-115, nylon low - Timer 0 to 20 hours (resettable
and independent of main unit) DEPTH
- Trip log to 2,000 miles (resettable
- Wind - model WX-175 with 80' of SPEED COMPASS
interconnecting cable and independent of main unit) XDCR INPUT
- Compass - (Optional) model - 4 position electronic damping
L500, N+l format Wind Functions: Figure I
- Compatible with existing - Analog display of apparent wind
CorinthianILX-360 transducers anale
Power: - ~ i G t adisplay
l of apparent wind The 5000 (or 5100) main unit acts information. Except for receiving its
- 10-16VDC speed as a signal conditioner for the speed, data from the main unit, the remote
0.2 amp day - Four position electronic damping depth, wind, and compass trans- works quite independently from the
0.4 amp night Power (derived from Link network): ducers and the loran data. It con- main. Among other things, it calcu-
- Reverse and overvoltage pro- - 0.1 amp day verts this "Raw Data" to Link format lates its own elapsed time, log
tected to rt20 VDC information and transmits it onto the accumulations, average speeds, and
- 0.2 amp maximum night
- Power off continuous memory of depth alarm settings.
- Power off continuous memory of Link network for possible use by any
alarm setting, depth units, damp- alarm setting, depth units, damp- * other Link instrument. By making the main and
ing level, average speed, and log ing level, average speed, and log In addition, the Link 5100 main remotes largely independent, the two
Lighting: unit displays both primary data (boat can find a wide variety of different
- Seven levels of intensity
- Seven levels of intensity speed, apparent wind, depth) as well uses. The navigator, for example,
selectable selectable as computed functions which are can log the day's run on the main
Link Network Outputs: derived from the primary data (true unit while the helmsman can use the
- Speed, trend, log, timer, depth, wind, VMG, average speeds, etc.). cockpit remote log for buoy to buoy
depth offset, apparent wind speed The main unit also supplies navigation. Or, the helmsman can
and angle, true wind speed and power to the Link network to any enter a depth alarm setting, in feet if
angle, VMG, damping, compass number of Link remote instruments. he likes, on the remote while the
heading, cross-track error, dis- Each remote instrument con- navigator can set a different setting,
tance to waypoint, lighting $/ +sins its own computer which uses in fathoms or meters, on the main
- , BNC connector
& d e information on the network to unit.
- 'ESmpatible with all Link products calculate and display additional The instruments cooperate br.,.
do not interfere with each other.
Installation - RecessedMounting - To recess
the 5000151 00 it is first necessary
Main Unit Mounting - The Link to attach the flush mounting
5000 and 5100 are designed to-be brackets to the instrument.
mounted in either of two ways: Unscrew the four rear case
$a screws a few turns each. It is not
necessary to remove them, just
loosen them to separate the bezel
a from the housing and insert the
two molded flush mounting
brackets. When the brackets are
correctly positioned, tighten the
1 four screws on the rear panel to
securely clamp the brackets in
I place. Torque the screws lightly to
just mate the bezel, brackets, and
plate provided. Be sure that there
is sufficient depth behind the
0 panel for the instrument plus the
connectors and cable loops. The
a. Recessed into a nav station or b. Free standing, surface mounted, instrument should slide into the
igstrument panel, or hanging from an overhead rectangular hole and be fastened
support. at the four corners of the flush
mounting bracket with the screws Figure 3
Figure 2 Figure 4
- Convenient Location - In any weather damage, yet a good
mounting arrangement, the pri- installation will add years to its life
mary consideration is easy view- by protecting it against the direct
ing and convenient operation of impact of saltwater, rain, and the
the keyboard. The unit has an intense U.V. of the sun.
especially wide viewing angle dis- The front panel is quite
play, but the installation will be waterproof, but the rear panel and =
most satisfying if the keyboard connections are not and should
and display are directly facing the be protected from rain, spray and
operator. wet environments. Water damage
In the case of the non- to the circuit boards can be
display 5000 main unit the most severe and can result in a voided
convenient location may be inside warranty (see Warranty Statement).
a locker or other dry available The 5000151 00 generates
space. very little heat, so no considera-
- Weather Protection - The unit is tion need be given to cooling or
very well protected against ventilation.
L-Y 1 0
L-313 -- - -
half and the plate. Only turn the I Main Unit Wiring - Remote Alarm - The depth
remote alarm terminals are avail-
-- on a few turns. Slide this
assembly into the slot in the bot- All wiring connections to the Link able to drive an additional buzzer.
tom of the housing so the housing 5000 system are made at the main The output is + I 2VDC and will
is captured between the mounting unit rear panel. Erisure that power to drive up to 50 milliamps. This is
plate and the hinge. * the unit is turned off until all connec- sufficient to power "Sonalert" type
The hinge may be mounted tions are made. horns, but larger buzzers may
with the hinge point either on the - Transducer Cables - Connect require a relay for more current or
front of the instrument or to the .
I the speed, depth and wind trans- different voltages.
, rear, depending on the mounting ducer cables. The depth and Datamarine's A-1 57 alarm
angle desired. See Figure 5. speed cables are simple plug on panel would be a good choice if a
If a hanging overhead mount is
best, the instrument housing may
be rotated to position the hinge
mounting slots on the top of the
! connectors. Be sure the speed
transducer cable connects to the
speed jack, not to the Link net-
work jack. The BNC plugs are
remotely located alarm is desired.
- Sat Nav Output - This is a SPST
relay contact closure which allows
interfacing to nearly all current
unit as shown in Figure 6. identical so a mistake can easily satellite navigation receivers. In
Remove the four screws on the be made. It would be a good idea most cases, a voltage available at
rear panel. Remove the rear panel to label the end of each cable to the sat nav receiver should be run
and unplug the two cable connec- avoid future confusion if the unit is to terminal 1, terminal 2 should be
Figure 5 tors. Slide the housing away from ever removed for service or sea- returned to the input on the
the front bezel and electronic I
sonal storage. receiver. The receiver should be
- Free Standing Hinge Mounting - assembly, rotate 180" and slide it The wind cable should be
I To surface mount the main unit,
the optional hinge mounting
back on. Reconnect the two
plugs, taking care to observe cor-
0 connected to the screw terminals
being careful to observe the cor-
set to 200 pulses per mile. This
may be in nautical or statute
miles. See the "SpeedlLog" sec-
I bracket may (L-339) be attached rect orientation. Replace the rear rect color coding. The wire shield tion beginning on page 34. If in
to the instrument housing. First panel and four screws. Be careful should be connected to the doubt, the sat nav manufacturer
attach either half of the hinge to not to overstress any cables and "SHLD" terminal taking care to or Datamarine can help with spe-
the support plate with the three not to pinch any wires between prevent stray wire strands from cific interface questions.
screws provided. Remember to the rear panel and housing. shorting out against any other
point. - Link Network Connection -
slip the nylon spacer over the Torque the screws lightly to just
mate the housing and bezel. Connection to the Link network is
center screw between the hinge - Compass and Loran - The
I made with the BNC connector
compass input is "N+1 " Format. cable supplied. If possible, check
The model L-500 Link compass this cable with an ohmmeter
sensor is connected with the red
wire to '+ Power', the black wire to
'compass -' and the white wire to
before connecting to Link instru-
ments at either end. Resistance
between the connector center pin
'compass +'. The same compass
sensor can also be used with
and the outer shell should be w
(infinity). A low resistance indi-
1 compatible sat nav receivers cates a short circuit, probably at
andlor autopilots. the connector, which should be
The loran input is compatible corrected.
with any approved loran which
- Power Connection - To avoid
has a "CDX output drive. If in
doubt, contact Datamarine's Cus- accidental short circuits and other
tomer Service Department to miswiring problems, the power
I check compatibility with your par- connection should not be made
II ticular loran receiver. until all other connections are
The Loran input is connected made and checked.
,, with the red wire to 'loran +' and
the black wire to 'loran -I.
Again, labeling these similar
The 12 volt d.c. power for the
instrument should be connected
using the power cord provided.
connect RED to POS., BLACK to
I wires will prevent future confusion.
NEG. The Link main unit is pro-
tected against polarity reversal.
Transducer - Route the cable away from
sources of electrical noise such as
existing Datamarine "Corinthian"
NOTE: Obtain the 12 volt d.c. Installation generator and ignition wires. Do The 5000 is not designed to
power and ground (both positive not shorten the transducer cable operate on any transducers other
and negative side) as directly from Depth Transducer - The key as this will detune the transducer than those supplied for it by
the battery as possible. Avoid to proper operation of the depth @ and impair the performance of the Datamarine. Any attempt to tune or
power circuits which share loads sounder is the correct installation depth sounder. Coil up the excess match to another transducer is at
with ignition, alternators, radio and maintenance of the transducer. cable and store in a convenient, the owner's risk.
transmitters, radar sets, winches, The general and detailed recom- w low noise location. If a longer The 5000 is designed only for
solenoids, starter motors, or motor mendations that follow should guide cable is required, refer to section operation on 12 volt battery systems.
driven accessories. Excessive the placement and installation of the "Longer Cable." Should the unit fail to work
electrical noise associated with transducer. - Keep the transducer face clean properly, check power wiring and
these devices may prevent the Datamarine recommends and do not allow buildup of lay- voltage, transducer connections and
5000 depth sounder from operat- against inside of the hull installations ers of bottom paint. Gently transducer condition. Many reported
and "water boxes". Reliable opera-
ing at maximum depth and cause
random numbers to be displayed. tion and full performance specifica-
tions cannot be assured unlessthe
remove old paint before applying
fresh antifouling paint. Do not use
cases of failure or malfunction are
traced ultimately to water box instal-
Proper wiring practice paint remover or other solvents. lations, fouled transducers, heavily
requires a correct size fuse or cir-
cuit breaker in line with the
instrument, as close as possible to
the source of power. For your pro-
tection, ensure that a proper cir-
transducer face is in direct contact
with water under the hull.
General Guidelines -
CAUTION - A bronze trans-
ducer must not be installed directly
Never strike the transducer face a
sharp blow, as damage to the
transducer and/or depth sounder
The speed, depth and wind
painted transducers and spliced
transducer cables. DO NOT
ATTEMPT TO TUNE OR ADJUST
YOUR DEPTH SOUNDER. SEEK
SERVICE OR ADVICE FROM YOUR
cuit breaker or fuse is installed.
A 3 or 5 amp fuse or breaker is
onto a steel or aluminum hull. Spe-
cia1precautions are needed to avoid
Q 6 -
L,ransducers are fully compatible with
, DATAMARINE DEALER OR THE
suggested. The rear panel of the damage due to electrolysis of dis-
main unit contains a push to reset similar metals. (Please request tech-
circuit breaker which should pro- nical bulletin #10 from Datamarine
tect the instrument in the event of for details).
- Provide for continuous contact of
internal malfunction. However,
protection of the boat's wiring and the transducer face with the water
switch panels can only be assured under all normal operating attitudes
with a circuit breaker or fuse as of the boat.
close to the source of power as - On sailboats the transducer
possible. should be oriented to within 10
Note that your instrument is degrees of vertical for best accu-
designed and warranted for oper- racy and performance.
- A location approximately 2/3 aft is
ation on 12 volt battery systems
only. Improper voltage can typically suitable. Avoid locations
seriously damage the instrument immediately downstream of thru- E
and will void the warranty. hull fittings, struts, etc. Avoid turbu-
If additional cable is neces- lent areas. On fast planing hulls,
mount well aft and close to the a Figure 7
sary for the power connection, 16
AWG wire (or larger) is suggested centerline to avoid the planing 1 DX-111 I I / I
up to lo', 14 AWG up to 25'. wake.
Separate power connections - Mount the transducer as deep as
must be made to any loran or sat possible to avoid the effects of
nav receiver interfaced to the shallow turbulence. The trans-
2.I L. 5000. ducer should not be the lowest
:',' point in the event the vessel runs
aground. P\ q6-1 BEST LOCATION
CROSS SECTION OF ! HULL
STRAKES ti AIR SLOT& !
Sometimes when first launched, required. High quality conventional Flush Mount Transducer
the transducer face will not be fully paint will work well. Installation - DX-111, 112, 130 -
wetted due to paint film, oily surface Datamarine ships the flush For the installation of the flush
or a microscopic film of air. The mounting DX-111 transducer with mounted transducers, the location
sounder will miss continuously until the 5000. It is an excellent trans- should be chosen such that the
the boat has run a short distance. ducer which is compatible with most deadrise angle is minimum (see Fig-
Anti-Fouling Paint - We installation requirements. However, ure 1O), normally amidships at max-
recommend a single, thin coat of other transducers are available and imum beam.
anti-fouling paint on the transducer might be preferred in some
face to prevent fouling. It should be situations. If the deadrise angle is greater
recoated each time the boat bottom than 15 degrees, the depthsounder
is painted. First, gently sand off any - DX-112 - Similar to DX-111 will not operate to full depth when
previous paint such that only one except bronze construction. the yacht is heeled down on the
fresh coat is on the transducer face. opposite side. In such cases, two
Paint buildup will reduce perfor- - DX-130 - Similar to DX-112 transducers can be installed, one on
mance, as will a fouled transducer. except chamfered for flush each side with a gravity operated
Special "transducer" paint is not mounting into countersunk hole. switch (Model A-106) to select the Figure 10
leeward transducer ~utomatically. Next, tighten the nut firmly. The
To install the transducer, care- cable is then routed to the depth-
i fully choose the best location in the sounder to complete the installation.
hull. Bore a hole 2-1 I 16" in diameter The DX-130 transducer installa-
bed the transducer flange and tion is similar except that the hull .
area onto the hull using one must be countersunk to accomo-
of the high grade marine bedding date the transducer (90" included
compounds. It is recommended that angle). Datamarine supplies a spe-
a block of 3 ( or 1/2)) plywood be cia1 tool for this countersinking oper-
ross sectton of hull
drilled 2-1 I 16" in diameter and
bedded between the hull and nut
ation. See Figure 9.
In case of cored hulls (balsa,
' (see Figure 9). This acts as a locking
device and also provides a com-
foam, etc.), it is important that the
countersink transducer DX-130 be
! pliant interface to accommodate
variations in the hull inner surface.
properly backed up with a rigid rein-
forcing plate. See Figure I I.Cut
thru hull fittlng
Figure 8 1
plywood backing block
away the inner skin and the core The transducer should be Transom Mounting centerline as possible while avoid-
material to accomodate the reinforc- aimed downward to within 10 - DX-200 - Proper mounting of the ing the general engine area. On a
ing plate while preserving the outer degrees of vertical. DX-200 transducer is extremely twin engine installation,the trans-
hull skin. Pierce the outer skin with a Once the location is selected important to the eventual perform- ducer may be located between
pilot hole for later boring location. following the guidelines, determine ance of the sounder. Since the the engines. Avoid locating the
Epoxy bond the reinforcing plate to the local deadrise angle. Saw the pulse from the transducer will not transducer behind air slots in the
the outer skin and the surrounding fairing block in half lengthwise at this sound through air, the transducer boat hull or in line with drains or
core material. Lay up fiberglass angle so that the transducer face is should be located where aeration suction-type self-bailers.
clothlmat over and around the rein- aimed directly downward. Cut the - is least likely to occur. Keep the Mount the transducer, as
forcing plate. After resin cure bore a block for minimum projection into the , transducer as close to the boat shown in Figure 15, so that the flat
2-1 I 16 hole from outside the hull water for least drag.
centered on the pilot hole. Counter-
sink, bed, and install a plywood
Apply a good quality under- 1 Figure 13
water bedding compound on the 1
backing block as described earlier. fairing block, leveling block and
***** It is recommended that the transducer stem. Install on hull.
plywood backing block be cut no DO NOT OVERTIGHTEN. A
larger than the reinforcing plate to torque of 20 ft. Ibs. is recommended.
avoid "jack-out" stresses on the Recessed Mounting - On
reinforcement. some boats, a recessed mounting
Faired Transducer Installation may be preferred for low drag and
- DX-1 04 - Stem type bronze minimum projection. (See Figure 13).
transducer for installation with Remember, do not install the trans-
molded fairing block or recessed
into stem of boat. Best for use
ducer at an angle greater than 10
where deadrise angles exceed I
10". See Figure 12.
f o r e l a f t view
in counterbored cavity
CABLE TO DISPLAY
F R O M VlEW
t 2 D ~ ~ ~ l ~ ~ ~ ~
1 SIDE VIEW REAR VIEW
face is flush with the boat hull on Now an electrical check of the Longer Cable Speed Transducer
the inboard side of the transducer transducer may be in order. If water
face and has a positive trim angle has gotten into the crystal area of - Long Cable Installation - The Installation
of a few degrees to provide a flow the transducer, it will generally be 5000 has been specially tuned to
operate with the transducer and The most important aspect of instal-
of clean (unaerated)water over detected by a resistance check. lation is the proper choice of location
p. cable supplied with it. In case the
the face of the transducer. This Connect either lead of an of the thru-hull impeller transducer in
may require some compromise ohmmeter to the center pin of the installation requires a cable longer
than the standard 30', extension your boat. Operation and accuracy
since boat attitude will vary transducer connector. Connect the of the instrument are largely deter-
according to boat speed. other lead to the outer contact of the 1 cables can be used.
mined by the location of the impeller
Upon trial and error, the most connector. Datamarine can supply the
A-1 13 10' cable extenders which with respect to hull flow characteris-
effective tilt angle of the trans- The transducer normally tics. The following is some detail
ducer will be found. causes an ohmmeter to read "max- have connectors allowing multiple
concerning the considerations
imum" resistance (an open circuit). I extenders to be strung
Anything less than that, suggests end-to-end.
Depth Transducer water damage. Again, a check of the However, the instrument will General Considerations -
CAUTION - A bronze trans-
have to be modified to provide for
Troubleshooting cabling and connector may locate
the problem. If it doesn't, and the I the extra cable capacitance. ducer must not be installed directly
onto a steel or aluminum hull. Spe-
Visually checking the transducer, resistance remains, consider the
cial precautions are needed to avoid
cable and connector may not be transducer defective and in need of 1 Figure 7 6
damage due to electrolysis of dis-
enough to determine the trans- replacement.
ducer's quality. One convincing Transducer Cabling - The
Link depthsounder uses tranducers
similar metals. (Please request tech-
nical bulletin #10 from Datamarine
method of determining a transduc- for details).
er's quality is to hang a second supplied by Datamarine. They have '' 1
A hull moving through water will
transducer over the edge and see if a standard 30' of cable which should
create a boundary layer of water
the depthsounder's performance not be shortened. (Lengthing is
immediately adjacent to the hull
improves. If the performance covered in the next section.) which is not still water, but is moving
improves, consider the results of this Other Transducers - Other along with the hull because of fric-
test to indicate that the solution to transducers in the 205 - 210 Khz
tional drag. For this reason, it is
your problem is transducer related. range may work with the Link depth-
inaccurate to put a tiny paddle wheel
Marine growth, excess bottom paint sounder. Datamarine cannot be held
impeller a short distance through the
or water flow may be the reasons for responsible for performance or satis- hull at any location and expect to
the apparent failure. A visual inspec- factory operation of your instrument measure the exact speed of the hull
tion of the transducer face and the when other transducers are used, through the water. One must reckon
surrounding hull area may reveal the and we offer no guarantee of I
Remove the rear panel (4 with the boundary layer of moving
source of the problem. Also check- success. water.
screws), disconnect the two con-
ing the cabling and connector for nectors and withdraw the front The boundary layei is defined
any physical and/or electrical prob- bezel and electronic assembly as the thickness of water which is
lems may be helpful. C1
from the housing. Locate capaci- pulled along with the hull due to form
tors C6 and C7 near the center of or frictional drag. Datamarine
the top circuit board. See Figure 16. research tells us that the boundary
Carefully clip out one or both layer effects are related to velocity
according to the number of extra (boat speed), waterline length or dis-
cable extenders used: tance aft of the bow, and the surface
Number of 10' Remove condition of the hull (foul or fair), and
Extensions angle of the keel.
1 (40' total) C7 only Of these factors, distance aft of
2 (50' total) C7 only the bow is by far the most important,
3 (60' total) C6 and C7 i.e. the further aft, the thicker the
4 (70' total) C6 and C7 boundary layer. In fact, water flow far
No more than 4 cable extensions aft is likely to be turbulent, called
should be used. "separated flow" by experts. Naturally,
hull shape and steps or strakes are Naturally, you should be able to
contributors to flow characteristics, 0bse~e the installed thru-hull fitting - RECOMMENDED LOCATION
but generally, flow aft of midships is and prudence dictates that it should (either side)
a. Approximately '/3 aft
unreliable for speed measuring be regularly inspected along with all close .lo centerline
the other thru-hull fittings installed in b. Forward of keel
purposes. c. Retaining pin aligned
On fast, deep-vee, planing hulls, your yacht.
the forward vee sections push water It is a good idea to tie the
aside and the resultant flow is not dummy plug onto the transducer
truly indicative of the forward prog- with a short lanyard. Whenever the
ress of the hull through the water. transducer is removed for inspection
Thus, the recommended transducer or cleaning, the dummy plug will be
location for heavy planing hulls is'dif- immediately at hand. No need to
ferent than that for displacement search through lockers or drawers.
hulls. Mounting Recommendations
Surface conditions of the hull - Select a location as far forward
will modify boundary layer effects. and as deep as you can which: +BEST
This is difficult to measure exactly, Keeps the transducer submerged LOCATIONS
however, we can predict that a mid- during all normal boat attitudes and
ships mounted transducer may motions, and heel angles.
measure as much as 5% low when Is freely accessible and visible Figure 7 7- Speed Transducer Recommendation - Displacement Hulls
the hull is badly fouled or rough as from within the yacht. See Figure 17
compared to the original calibration or 18. Qf-J
with a smooth hull. A centerline location, if possible,
Boundary layer effects in the is best.
normal ranges of yacht speed are The standard speed transducer RECOMMENDED LOCATION
directly proportional to speed. This shipped with the 5000 is the SX-115.
means that once installed, you can Other transducers are available as Impeller Transducer b. Inboard of first strake
well. c. Retaining pin aligned
calibrate at one speed and thereafter should be forward
of intakes. shafts
it should be accurate at all speeds of SX-115 struts & props
interest. Fiberglass reinforced nylon flange 7-
Accessibility - Accessibility is projects only 3/,,"
a major consideration in selecting a SX-125
hull location for the transducer. This Bronze version of SX-115
is vitally important. Be certain to SX-135
select a location which allows free Flush version of SX-125 for counter-
access to the transducer from within sunk hole installation
the yacht. From time to time, you sx-201
may want to remove the impeller for Transom mount transducer for small Q
inspection or cleaning. This is a sim- fast powerboats
ple and safe operation when the
yacht is in the water if the fittings are
easily reached and if space allows
hand and arm movements. Each
time the impeller or plug is removed,
you will take on a quart or two of RECOMMENDED
AFT OF ENTERING
water. Life is more pleasant if this (Sufficiently aft to be in maximum
beam section, forward of engines)
water can drain directly to the bilges
18 - Speed Transducer Recommendation - Planing Hulls
Installing the Transom Mount
Installation of the Thru-Hull Now permanently install the Transducer - If your unit is a tran-
Fitting -To install the thru-hull fit- thru-hull fitting, using a small amount som mount speedometer, it will be
ting, follow these steps: Drill a '/," of bedding compound under the shipped with an SX-201 speed
pilot hole in the center of the flange on the outside. Be sure to align transducer. Your knowledge of wake
selected location. This should be the fitting so that the holes for the and wash created by your boat
done from inside to ensure accessi- retaining pin are pointed fore and aft. 4 should be used to locate the best
i bility. Next, using a hole saw, make Tighten the nut firmly from the inside
mounting position on the transom.
a hole 21/,," in diameter using the of the yacht. Do not overtighten. Do , Some general recommendations are
pilot hole as center. The body of the not use a wrench on the plastic 1
shown graphically here: TWIN 110 DEEP VEE HULL
thru-hull fitting should fit snugly thru-hull. 1 Drill pilot holes for the three
through that hole. At this point, we urge you to
It is recommended that a block install either the plug or the impeller
/ self-tapping screws provided in the
hardware kit. Use a small amount of
of 3/8" or M" plywood be drilled (2lAs" assembly into the thru-hull fitting as 1 bedding compound on each screw
diameter) and mounted between the a precaution against launching the
hull and hex nut. This acts as a lock-
ing device on rigid hulls such as
yacht with the hole open. The retain-
ing pin should be installed to keep
/ and attach the SX-201 transducer
using a flat and a split lock washer
under the screw.
fiberglass. It also provides a com- the plug or transducer securely in I After installing the SX-201
pliant interface to accommodate
variations in hull inner surface (see
place. Be sure the arrow on the
impeller assembly is pointed forward.
' transducer, tilt the unit downward
approximately 2", (figure 22).
LOCATE SUCH THAT TRANSDUCER
Figure 19). The O-rings provided should be
installed in the two grooves of both '
I Securely tighten the hex head
IS OUTSIDE OF PROP WASH
bolts which attach the impeller
the impeller transducer and the plug. @
The silicone grease provided
assembly to the right angle brackets. Figure 21
With the transducer installed in
will help seal the O-rings and ease I
the transom mount bracket, select a Fiaure 22
removal of the assembly. Keep the location well above the waterline to
plug handy. feed the 10' cable through the tran-
REMOVABLE A-120 TRANSDUCER Next the 30' long coaxial cable som. Drill a 7/16u hole to clear the
should be installed in the yacht to coaxial connector and secure the
connect the transducer to the loose cable using the clamps pro-
KEEPCLEAN8 LU instrument. Securely position the vided. It is recommended that the
cable connector at the transducer hole around the cable be sealed
end so that the connector will not be with a flexible bedding compound to
RETAINING PIN lying in the bilge water even when prevent spray from entering your CABLE TO DISPLAY
Once the cable is connected
ALIGN HOLES FOR between the transducer and the
ETAINING PIN FORE 8 AFT
main unit, the speed transducer is
ready to operate.
The Link 5000 main unit is not
designed to operate with any trans- Figure 20
ducer except the one supplied for it
THRU-HULL FITTING by Datamarine. Any attempt to mate SX-201
or calibrate to any other type of
transducer is at the owner's risk.
Note: For cored hulls (balsa,
SX-115, SX-125 foam) and the SX-135 countersink
thru hull fitting follow the hull rein-
forcement and mounting instructions
for the OX-130 depth transducer.
,a=lte a. LID.. .,...,
Speed Transducer Maintenance final positioning. It is a good idea to I 4 Black To complete the installation,
The transducer parts are susceptible use a thread locking screw sealant I 5 Blue connect the cable from the junction
to fouling by marine growth or such as Loctite on all masthead 6 Yellow box to the main unit terminals.
organisms as is any other under- connections. It's surprising how I 7 Shield NOTE: Make sure all wires
water part of your boat. We have much vibration occurs on the mast 8 Not Connected (including the shield) are connected
applied a coat of anti-fouling paint to truck. The masthead boom (rotating in the junction box. This will assure
your impeller assembly. This first The Link 5000 main unit may cups and wind vane) is designed to proper operation of your Link mast-
coat should last the first season in be field adjusted to compensate for mount in the masthead mounting head unit.
most waters. masthead mounting angles up to bracket. The boom should be slid This completes the wiring
We urge you to flush the impeller 180' port or starboard. The mount- into the grommeted hole until it seats required to connect the masthead
assembly and its cavity with fresh ing bracket should be mounted firmly over the rear alignment pin unit to the main unit.
water under pressure whenever the horizontally (shim as needed) as (see Figure 23). At this point the
boat is hauled and renew the anti- close to the top of the mast as pos- boom retaining pin should be Figure 23
fouling paint as necessary. sible. An "L" shaped adapter bracket inserted to its full extent. Make sure
You may order replacement is provided for mounting on the side the wind cups are on the bottom end
parts for the impeller as follows: of a mast if this is needed. INSTAWTION of
of the wind sensor housing when the
- SX-120 - complete impeller The remaining section of the I
boom is mounted.
- P-121 - impeller and shaft only
cable should be installed from the
final location of the main unit and run I The masthead cable connector
should now be plugged into the
- P-122 - retaining pin only
- P-123 - O-ring seals
to the estimated location of the wir- 1 receptacle on the mounting bracket.
(4 included) only
ing junction box. Cable length is not
critical and may be added to or I After mating the connector set, rotate
the locking ring until it seats to secure
- A-1 03 - retaining pin and trimmed if necessary. @@ the connection. The cable is
O-rings only some thought should be given designed to provide a drip loop, but
to the problem of the masthead 1 this loop must not interfere with any
cables slapping inside an aluminum masthead hardware (spinnaker, hal-
Mounting the spar. Some spars have an extruded yards, blocks, etc.).
overall -- --
track or cable raceway which pre-
Wind Sensor The masthead installation is
vents the noise. Sometimes small
sailslide lugs can be found to travel 1 now complete and ready for
and Wiring up an internal groove. The cable can 1 Mount the junction box in a dry,
be run up the inside tied off to a / convenient location and, once the
sailslide every few feet. As a last , mast is stepped, run both cut ends
Prior to stepping the mast, lay out i
resort, the cable can be pulled into of the wire into it. Generally, there is
the cable and masthead mounting
the spar while a helper goops the a good location on a bulkhead, up
bracket to determine the length of
cable with silicone caulk. When the I1I
the cable needed. Cable length high, clear of any possible bilge
should allow for running to a con- cable is pulled into place, the silicone water. Protect the cable going to and
venient, dry location for the junction will bond the cable to the spar with from the junction box from acciden-
box once the mast is stepped. Once just enough force to prevent slapping, 7 tal damage. Install the spade lugs
yet will permit removal if necessary. I provided and connect to the termlnal
the necessary cable length is
determined it should be cut and fed
down the mast from the masthead.
If needed on a particular instal-
lation, Datamarine can provide a
, strip (red to red, white to white, etc.)
as shown on Figure 24.
The bracket should be cable connector to use in place of Boats with masts stepped on
mounted so the grommeted hole the junction box. Wire color and pin deck can either run the cable
connections are provided below. A through the deck through a gland fit-
and the rear alignment pin line up JUNCTION BOX DETAIL
120' cable (Model WC-177) is also ting and use the junction box, or can
with the forelaft axis of the boat, the
available. use a waterproof connector (avail-
grommeted hole being forward. A
mounting template is provided in the Pin # Color able from Datamarine) at the base of
CABLE TO INSTRUMENT
back of this manual. The bracket 1 White the mast.
may be moved slightly within the 2 Red
confines of the adjustment slot for 3 Green
Masthead Repairs and To install a new wind cup
Replacement - Damaged wind assembly, line up the set screw with I Troubleshooting Compass
cups or direction vanes may be
simply replaced without the need of
the flat portion of the shaft and slide
the assembly on the shaft until the
If your wind functions are not operat- Installation
ing properly, the following items
returning the masthead assembly to shaft is flush with the bottom of the should be checked before returning Shipped with your optional
Datamarine. wind cup hub (see Figure 25). the wind instrument to the factory: Datamarine L-500 compass sen-
Both the wind cups and the Tighten the set screw securely. - Check the mast step junction box
sor is the instruction manual with
wind vane may be removed by Please note: Individual wind cups (or connector) for correct wiring. detailed installation instructions for
loosening the small set screw in the are not replaceable,the whole three - Check polarity of power connec-
this sensor. Please contact our
side of each assembly and sliding cup assembly must be changed. tion at the main unit. LINK System Service Department
the cups or vane off of the shaft. After changing the cups or the - With the masthead unit connected for information on installing other
Loosen only the lower of the two set vane, the masthead unit should be and the main unit power discon- compass sensors.
screws on newer wind vane hubs. reinstalled as directed in the section nected, the following resistances
To replace the wind vane the entitled "Mounting the Wind Sensor may be checked (with an
following steps should be followed: Masthead Bracket and Wiring." ohmmeter) at the main unit rear
- Loosen set screw on vane hub.
- Remove old vane and hub.
panel terminals or at the junction
- Install new vane and hub on If there is an apparent short The LINK 5000 main unit accepts
the shaft. or open circuit, the Link wind sys- LORAN cross-track error and
- Tighten set screw. tem will not work. One should try distance-to-waypoint information in
- See section entitled "Wind to isolate the portion of the system the NMEA 0180 simple and complex
Calibration" formats. This format is available on
where the problem is and correct
@ tQ it before damage to the instrument
the Datamarine Navigator LC
LORAN as well as many other high
Fiaure 25 The masthead unit would quality Loran viewers. Please refer to
appear as shown in Fiaure the owner's manual for vour receiver
to a D.C. meter. for installation instructions.
far Masthead Unit Connector
r - - - - - -1 Shield .,, Terminal Resistance (+/-I 0%) Comments
I + , 1 to2 Approximately half Due to (2) diodes
b I 4 to I scale on I x scale. in transmitter
loosen s e t screw infinity if meter
t o remove vane 6
leads are reversed
2 to 3 8C2 Transmitter rotor
REPLACING l o o s e n s e t screw t o 5 5to6 3Q Transmitter stator
remove windcups 4 to 5 311 Transmitter stator
COMPONENTS 7 to any pin co (infinity)
4 7 = shield
push on'until shaft is
flush with bottom
550 Remote The 550 is nearly non-
magnetic so you don't have to
Installation worry about local deviation of the
steering compass. More important
is to not mount the 550 so close
r to the compass that the compass
is hard to use, especially when
First remove the guard by
unscrewing the two bolts at the
deck sockets. Pull the guard up
and off the upper pedestal
Slide the mounting brackets
over the guard base with the cor-
rect orientation for your type of
If you want to run the Link
network cable through the pedes-
tal guard tubing you should drill a
clearance hole for the cable
through the tubing and through
$3 the deck at the center of the
guard socket. It is not necessary
to drill a hole large enough for the
The 550 remote instrument can be simple installation. Also, having
mounted in a variety of different the instrument at the wheel is the
ways. Its waterproof housing elimi- most visible and convenient loca-
nates the need for additional instru- tion for the helmsman.
ment pods or installation hardware. First ensure that the pedestal
In choosing a location consider guard is tall enough to accommo-
visibility and convenience. Is the date the 550 without interfering
keyboard within easy arms reach? with the compass. The vertical
Can the displays be seen by every- location of the 550 should leave a
one in the cockpit? An aft wheel proper handhold in the top of the
location will make it hard for crew guard. If the pedestal guard is too
members to use the display informa- short, longer pedestal guards can
tion. Will a bulkhead or bridge deck be obtained from the steering
mounted instrument be visible to the manufacturer. Alternatively,
helmsman with crew and guests in Datamarine can supply a pedestal
the cockpit? guard extension kit (Model L-341) 1
which attaches to the base of the
- Pedestal Guard Mount - The
550 is perfect for pedestal mount-
ing. It's designed to accommodate
existing guard and raises up the
top of the guard a sufficient
nearly all pedestal guards for a amount to accept the 550.
connector as the cable can be It is also possible on some - Overhead Mount - If an over- kit L-342 may be ordered. Remove
cut for a connection point below steering systems to run the Link head mount is desired the rear the rear cover as just described
the deck in a dry location. Con- cable through the pedestal itself. panel of the 550 can be rotated but leave the buzzer in place. Dis-
nectors are provided in the instal- An entry hole is often provided to 180° to slant the front surface connect the connector from the
lation kit. Although the Link cable pass the cable through, or one down towards the operator (see circuit board. Install the o-ring
is coax, it is not necessary to use can be drilled. Be certain that the figure 30). Carefully remove the provided in the kit into the bracket
coaxial connectors at this point. cable does not interfere with the f eight screws from the rear panel groove and place the bracket,
The simple connectors provided moving steering components or and open the instrument.The o-ring up, over the skirt on the
will be totally adequate and are
much easier to make up than
with any engine controls. Securely
fasten it out of the way to avoid
D buzzer must be removed to allow
the angled rear panel to fit in the
rear panel. Reconnect to the circuit
board and place the housing over
standard coax connectors. cable damage or jamming the reverse orientation. A remote the rear panel bracket assembly.
At this point, the cable should control mechanisms. alarm can be driven by the small While holding the assembly together
be strung through the pedestal The BNC connector used on white connector next to the turn it over so that the rear panel
guard. Reinstall the pedestal the remote cable is fitted with a installed buzzer. It will be neces- faces up. Replace the 8 screws
guard with the brackets installed. weatherproof boot which should sary to drill the rear panel to pass and their sealing washers and
Attach the 550 instrument with the make this connection point very the cable through for the remote evenly and lightly torque the
four screws to the brackets. Sev- reliable. Silicone grease should be buzzer. screws to just mate the housing,
eral holes are provided on the applied to the mating halves Replace the eight case bracket, and rear panel. Cut an
rear panel to accommodate dif- before assembly to keep water screws and evenly and lightly opening in the mounting surface
ferent guard widths. Use the one out. Dow Corning #4 is excellent torque. Apply only enough torque using the template provided. Apply
which will fit your guard best. for waterproofing exposed con- to just mate the rear cover to the bedding around the holes and
nectors like these. housing. secure the bracket to the mount-
Any exposed runs of cable
should be well secured to prevent
$ /Q - Flush Mounting - If a recessed
flush mount is desired the optional
ing surface with the four screws
BulkheadMount - The 550 can ..
be mounted on a vertical bulkhead
by bolting it directly onto the bulk-
head using '/,-28 screws or by
using the optional hinge brackets
(L338). If bolting directly onto the
surface use the molded in
threaded inserts to receive the
screws and the template provided
in the rear of the manual to locate r
drilled holes. You may order
optional BNC right angle adapter
Kit L-345 to allow a hidden coax
cable installation.Apply bedding
compound to seal the holes. The
hinge mounts are very flexible and
will provide a variety of mounting
angles as shown in figure 29.
local conditions. Bottom condi- of measure next to the value of
Operation Depthsounder tions, sea state, transducer instal- the depth. Successive presses of
- System Power - Turn the Link - General Information - The lation, boat speed and the vessel's this button will change the
5000 System on with the toggle Datamarine Link 5000 depth- electrical noise environment are selection.
switch on the main unit lower sounder is designed to meet the some of the factors which will Also, if a function other than
right. The ON position applies demands of racing and cruising interact to limit maximum depth depth is being displayed, pressing
power to the main unit and all sailboats and power yachts. It will indication. The user should antici- this button will display depth in
remotes on the Link network. The reliably indicate water depths pate a variation in maximum whatever units were previously
LAMP position adds night lighting between 2.5 and 400 feet (120 I
and operating as location
conditions change. selected. Additional pushes will
to the main and remote instru- meters, 67 fathoms) and inter- change the display to the other
ments. The lamo intensitv can be faces with the Datamarine Link I The accuracy of the depth units of depth. When the system is
measurement is also affected by turned off and later turned back
adjusted by pushingthe @ network, supplying information to
any number of depth or multi- several factors external to the on the last unit of depth selected
button until the desired intensity is function remote units which may depthsounder. Variations in the will be remembered and automat-
obtained. be connected to that network. The velocity of sound transmission in ically selected.
On powerup, the unit will significant features of your new water caused by salinity, tempera- NOTE: If an alarm has been
briefly display and test all digits depthsounder are: ture and pressure plus penetration previously set at 12 feet and a
and display symbols. The display of soft bottom layers by trans- user switches the units to fathoms,
Depth - Up to 400 feet, 120
should look like this: mitted signal can cause errors of the alarm setting is now 12
meters, or 67 fathoms in user-
selectable units. up to 2% (velocity) and 1 foot fathoms NOT 2 FATHOMS. Care
Display - Low power LCD (mud penetration) under worst should be taken when changing
display. case conditions. units of measure to check the
DEPTH HEADING Alarm - 39 position alarm, The sounder is calibrated for alarm settings.
a sound velocity of: 4800 feetlse-
ALARM A settable in ft/fm/meters.
cond, a U.S. standard of
Keel Offset - Compensation
T'ME FAULT is provided to allow depth read- measurement.
WIND ings to be displayed and meas- The accuracy of the depth
These upldown controls are
SPEED REL ANGLE ured from the waterline or the measurement circuitry of the used to adjust the alarm threshold.
LOG VMG AVERAGE MILES DIRECTION lowest part of the keel. depthsounder is within plus/minus
0.5% over a temperature range of Pushing the lr(button will first dis-
Network Interface - This
depthsounder provides Link depth 0 degrees C. to +55 degrees C. play the current alarm setting with
information for remote instruments and a voltage input range of 11 to the "ALARM" symbol. Successive
located throughout the boat. 16 volts, d.c. This corresponds to pushes will then advance the
Next, for a few seconds the plus/minus 0.5 feet at 100 feet. alarm setting to greater values.
display will show the software Ease of Operation - The
depthsounder is totally automatic, Operation he lV( button will decrease the
revision installed. This revision
number will h e l us~ answer anv
questions that you may have
allowing for "hands o f f operation.
- Performance - The performance
m alarm settings. When the button is
released the last displayed value
about your system. The remote of the Datamarine Link depth- This button selects which will be stored as the alarm limit. If
software revision may be different sounder relies upon a powerful unit of measure the depthsounder the actual depth drops below the
than the main unit. transmitter used in conjunction will operate with. Selecting one of stored alarm depth tne alarm will
Next, the display will change with a proven transducer and a the three will cause the LCD dis- sound.
to the function selected for display sensitive amplifier to enable oper- I
play to indicate the selected unit
before the power was turned off. ation at great depths. Operation at
At this point, any other function great depths is controlled by
may also be displayed. many factors; thus, ultimate depth
capability is a function of current
If the depth alarm feature is convenience, however, any unit's bottom. First, measure the actual The display will read feet and will
not desired, push the muntil mute control will silence any Link depth of water accurately using a either indicate a number to indi-
alarm that may be sounding. lead line overside close to the cate an offset above the trans-
Alarm "OFF is displayed. position abeam the transducer ducer (as in reading depths from
Note that the minimum oper-
When the alarm sounds, it ating depth between the trans- (not at bow or stern). the top of the water) or a number
may be temporarily muted by ducer and the bottom is 2.5 feet. Next, if depth below the sur- with the minus (-) symbol to indi-
momentarily pushing either ( 111 or The 1 foot alarm setting is useful face is the desired indication, cate an offset below the trans-
only when the keel is at least 1.5 remove the black rubber plug ducer (as in reading depths from
. This will disable the audible
feet below the transducer and the from the front panel labeled the vessel's keel).
alarm, but when the boat returns keel offset control (see Depth "Depth Offset" and adjust the A reading of "0" indicates
to water deeper than the alarm Offset) has been adjusted to indi- control clockwise (with the small that depth readings are being cal-
setting the alarm function will be screwdriver provided) until the culated from the transducer and
cate the depth below the keel.
reactivated and the buzzer will 5000 indicates exactly the mea- may not take into account keels
The 5000 may occasionally
sound again if the boat returns to detect a false shallow echo as a sured depth. Replace the rubber or props which are below the
shallow water a second time. For plug. location of the transducer.
result of fish or wake causing the
example, if you have the setpoint alarm to sound momentarily in Or, instead, if the desired The number in the Offset
at 10' and the depth drops to 8' error. indication is depth clearance display is the number in feet that
while entering a harbor, the alarm below the keel, you must also will be added to or subtracted
Should the operating condi-
will sound. If adequate water depth know the exact draft of your ves- from (if "-") the depth from the
tions be such that the frequency
for the boat's draft is assured, you of false alarms becomes a nui- sel. Subtract the draft from the transducer.
can mute the alarm by pushing measured depth and adjust the
sance, the alarm may be disabled - Shallow Gain Control and Adjust-
either button .When you leave
the shallow harbor [and the depth
goes over the 10' setpoint] the
by selecting the "OFF" position.
~l~~ See ..shallow ~~i~ ~~~~~~l~~
in the following section.
a " "
indicate the actual depth under
the keel. (See Figure 32).
ment - The shallow gain control
is located behind the small black
plug on the front panel. Removing
alarm will sound again anytime The depth alarm setting will - Offset Display - Holding
- the pluq will expose a small
the depth gets less than 10 feet. stay the same numerical value the button then pushing the screwdriver slot to be used to
Whenever the depth is less than when the units are switched from adjust the control.
feet to fathoms or meters. For m=on will display the keel
the setpoint, even if the buzzer is
muted, the "ALARM" symbol in example, if the alarm is set to 10 offset amount on the LCD display.
the display will continue to flash, while in the feet mode and then
indicating that caution is in order. the display is converted to
Incidentally, this "mute" func- fathoms, the alarm setpoint will
tion will also turn off the alarm at become 10 fathoms (60 feet). Be
the 550 cockpit remote, even if the aware of this as you could have a
cockpit alarm threshold is different false sense of security after
than the main unit's. This remote changing units. Remember to
control function saves running up reset the alarm whenever the Depth Offset
and down the companionway! unit's calibration is changed. Reading Reading
Of course the depth alarm - Depth Offset - This front panel
may also be turned off by read- adjustment may be used if it is @ standard @
justing the setpoint to a depth less desired to have the 5000 indicate
than the current depth or to the depth below surface or depth
\ 1 below transducer
"OFF position. clearance below keel. As shipped,
Remember that the alarm the 5000 was adjusted to indicate
setting at the main unit can be set the depth below the transducer. It
to a different depth than the 550
remote's setpoint. This way the
navigator can use his instrument
without affecting any settings the
should not be altered unless the
user is prepared to proceed with
an accurate readjustment.
To adjust the offset, the ves-
helmsman may have entered. For sel must be stationary over a flat
This adjustment is used to
adjust the gain for the best com-
Using Your Depth Sounder procedure is to determine if the fault
is with the 5000 system or the
promise between wake rejection Link Depth Sounder Troubleshooting installation.
and reliable shallow depth indica- If it is established that the
Anchoring - Your depth sounder In the event the depth sounder instrument is defective, return it to
tion. In general, the gain should be
should be used to determine the should fail to operate properly, the Datamarine for service with a brief
adjusted high enough to ensure t
amount of line required to anchor following section provides some description of the malfunction.
proper sounding, but not so high
properly. Determine the depth of the troubleshooting guidelines as an aid Repairs should not be attempted by
as to produce shallow readings
water, correcting the displayed depth to the owner and service technician the owner as further damage may
due to wake. Insufficient gain set- '
if it indicates the depth below the in isolating and correcting the prob- result, and the warranty may be
tings may cause loss of echo
transducer or keel. Add the height lem. The goal of the troubleshooting voided. See Section "Warranty
("FAULT 01" displayed) and/or
erratic operation. The shallow gain from the water to the bow chock and Considerations".
setting is preset at the factory and then multiply by 5 as a minimum (5:l OPERATIONAL PROBLEMS
should only need to be adjusted scope). Don't forget to allow for the
under extreme conditions. tide. Pay out the necessary amount
If the display shows "FAULT of line.
Contour Navigation - By Apparent Symptoms Probable Causes Possible Remedies
01 " when in shallow water or
misses the correct depth and dis- using charts of your area and your
plays twice the actual depth, depth sounder, it is possible to rec- Blank display; no indicators. Unit defective or power not Look for backlighting (at max.
increase the shallow gain in small ognize and navigate by underwater being supplied to 5000. brightness) to test for power.
increments by turning the adjust- features. Contour lines generally run Check connections; fuses;
ment clockwise. parallel to the shoreline except for rear panel circuit breaker.
If the display has a tendency breaks where channels or passages
to show erratic numbers, especially between islands occur. By following
shallow numbers (3.2',4.1', etc.) these contours you can locate these Random, erratic depth indications Transducer in turbulent location Review location, fairing and hull
when in deeper water or when in passages in fog. You can also follow at higher speeds. Good at lower or cavitating at high speeds. characteristics. See Installation ol
wakes of other boats or "FAULT a winding channel in fog more easily speeds (under 10 knots). Transducer Section.
07" (indicating too much shallow than steering a compass course.
gain), decrease the shallow gain For more information on contour
in small increments by turning the navigation refer to the articles: "Nav- Random, erratic depth ~ndications Excessive electrical interference Review source of 12 volt power;
adjustment counterclockwise until igating in Fog" in Motorboat, October when engines or auxiliary equip- introduced via power cord or transducer cable routing. See
the erratic numbers or the Fault 1978; "How to Use Your Depth ment is operating. Good with transducer cable. Hull-borne Power and Installation of Trans-
indicator ceases. Sounder for Blind Navigation" in quiet ship at all depths. acoustical noise from engine. ducer Sections. Consider alter-
Rudder, June 1972. nator noise suppressor, engine
Fishing A Contour - Many vibration mounts.
types of bottom fish are known to
prefer specific bottom depths for
feeding. Note the depth when you Fault 01 display at moderate to Power or gain reduced by low Review power to 5000. Examine
do catch fish. Then use your Link great depths. voltage, improper transducer, transducer installation and con-
depth finder to follow that depth con- transducer at excessive angle nections. Consult charts for
tour along a shoal or bank. or poor bottom conditions. unusual bottom conditions.
Fault 01 display all depths. Acoustic signal not being Examine transducer connector.
received. Unit or transducer Try another transducer over side
may be faulty. if available.
Failure to indicate reliably at Electrical noise interfering at Review source of 12 volt power;
- ,moderate to great depths. higher gain levels. Transducer transducer cable routing. See
improperly located or damaged. Power and lnstallation of
units which may be connected to
Special Note To that network. The significant features been calibrated for individual trans- Average speed is calculated as:
Service Technicians of your new speedometer are:
- Speed: Display speeds up to 35
Proper performance of the
Avg Speed =
And Owners knots (40 mph). knotmeter is dependent on good
transducer location as well as cali- Total Time since Reset
- Average Speed: Displays average
All Datarnarine digital depth sounders bration. This will be discussed later The distance and time basis for
speed since reset.
were precisely tuned under labora- in detail. average speed is different than for
- Log: Resettable LCD trip log up to
tory conditions. All Datamarine sup- Aside from these considerations, displayed log and time. For example,
2,000 miles; mechanical total log
plied transducers are tested to performance should not be affected log or time can be independently
up to 10,000 miles.
ensure operation with our sounders by the boat's environment. For reset without affecting the average
- Elapsed Time: Resettable for dead speed.
as factory tuned. Retuning cannot be reckoning, race starts, etc. example, the Link knotmeter is unaf-
satisfactorily done when installed on
a boat. Operational problems cannot
- VMG: Speed made good calcula- fected by usual electrical interference. -
To reset average speed, first
push and hold H t h e n momen-
tions, upwind or down. Operation
be corrected by retuning.
DO NOT ATTEMPT TO RETUNE
AMPLIFIER. USE TRANSDUCERS
- Trend Indicators: Visual indication
of increasing A or decreasing V
must be ~ u s h e d
The two buttons
and held in that
speed. Useful in sail and trim Push the button to select the
SUPPLIED BY DATAMARINE FOR change evaluations. Independent order. W ; have purposely designed
THE LINK 5000. CHECK POLARITY speed functions. A single push dis- it that way to prevent inadvertent
trend indicators are provided for plays boat speeds. A second push
AND CONNECTIONS. boat speed as well as VMG. resets.
Service bulletins are provided to momentarily displays average speed The first few minutes after reset
- SAT NAV Output: Rear panel ter- and then reverts to current boat
qualified Datarnarine dealers. Many minals supplying 200 contact speed. generally show a large amount of jit-
field problems are related to power closures/mile to sat nav systems. ter in the average speed mode. This
sources (noisy), fuses, transducer - Impeller: Transducer, Model SXI 15 - When in the SPEED mode, the will
quickly clear to a very accurate
cable connectors and improper Link knotmeter will display the accu-
standard, SX125, SXI 35, SX201 rate speed of the boat through the
splices, these should be checked optional. 4.1 hz/ knot standard cali- Remember that the average
first. Prompt service is available at water with the following resolutions: speed only shows for four seconds,
bration user adjustable. 0.00 - 19.99 in .O1 increments
our factory (U.S.) and foreign distrib- - Network Interface: Provides speed and then the display automatically
utors. Service at the factory is free 20.0 - 35.0 in 0.1 increments reverts to current boat speed. This is
and distance information for The effects of the damping
under warranty and inexpensive out remote instruments located to prevent accidental confusion
of warranty. We highly recommend control will be very evident in the between the two functions. When
throughout the boat. speed mode. In rough weather min-
that a malfunctioning instrument be - Adjustable Damping: Four steps of displaying average speed, the
returned to the factory with a con- imum damping will result in a very "SPEED AVERAGE" indicators will
damping averaging to provide jumpy display (as much as 4-8
cise statement of installation factors jitter-free display under all operat- show.
and failure symptoms. tenths). Increasingthe damping rate The average speed calculation
ing conditions. will smooth the jitter to little or none.
- Ease of Operation: The Link can be used for navigation purposes;
The "SPEED" indicator will for example, to advance a dead
speedometer is totally automatic, always be in the display whenever
allowing for "hands off operation. reckoned fix. Or it can be used to
speed is selected. In addition to the help trim the boat for maximum speed.
General Information - The display showing the speed of the
Periormance - The Link knotmeter Racers often use it to keep track of
Datamarine Link 5000 knotmeter is boat, the speed annunciator
provides an accurate display of boat average speed during each helms-
an advanced microcomputer knot- will be displayed along with a trend
speed from 0.3 knots to over 35 man's turn.
meterllog designed to meet the indicator. This trend indicator (A =
demand of racing and cruising sail- knots. Alternately, a statute mile cali- increasing speed, V = decreasing @
boats as well as all types of fine bration may be used for speed in speed) will be shown each time the This is the speed made good to
motoryachts. It has a precise and miles per hour. Though the instru- instrument detects a change in boat windward (or downwind) display. It
accurate speed range of 35 knots ment is capable of readings of well speed. will only operate correctly with both
and a distance range of 10,000 over the top figure, accuracy is dim- When in the speed mode, a the wind masthead and the speed
miles. In addition, the Link knotmeter inishing due to cavitation at the second push will show the boat's transducer inputs to the main unit
interfaces with the Datamarine Link impeller. The knotmeter's quartz average speed since last reset. operating. Resolution is as follows:
network, supplying information to - crystal time base and microprocessor 00.00 to 19.99 in .O1 increments
anv number of speed, speed guarantee accuracies for all func- . i
9 20.0 to 35.0 in 0.1 increments %,->
dependent, or multi-function remote tions provided the instrument has I
VMG is defined as the compo- last damping level selected before Calibration - The accuracy of the Calibration of the Link knotmeter
nent of the boat speed which is turning off the main unit is remem- Link speed log functions, as previously is done with one adjustment for both
directly into or with the wind - a bered and automatically selected at noted, is dependent on proper trans- speed and distance. Your instrument
detailed illustration and explanation next power on. ducer operation as well as calibration. will be calibrated by comparing the
is shown below. The damping control
applies to VMG as it does to speed.
The system is capable of measuring
speed over 0.3 to 35 knot range with
speed displayed by the Link knot-
meter with the speed calculated by
In addition to the display showing This function gives the user an accuracy of 1O/O. The distance your charted distance and measured .
VMG, the VMG annunciator will be access to the Link knotmeter's measurement accuracy is also 1%. time, or by comparison to a loran
displayed along with a trend indicator. elapsed time, which displays the Please note that speed and, speed readout.
This trend indicator (A = increasing elapsed time since last reset, or therefore, distance are measurements To calibrate the Link knotmeter
VMG, V = decreasing VMG) will be since the instrument was turned on. through the water and not necessarily in the boat, the following guidelines
shown each time the instrument Time will be displayed as follows: "over the ground". Current can add are recommended:
detects a change in VMG. Minutes and seconds - 00:OO to 19:59 or subtract to give the effective value. - Select a course of known distance
VMG is defined as the compo- Hours and minutes - 00:20 to 19:59 Thus, any navigation reckoning with markers that can accurately
nent of the boat's speed that is When the Link knotmeter is in requires that knowledge of the cur- be sighted. A course of 0.5 to 2.0
directly upwind or downwind. any other mode, the elapsed timer rents over the course travelled be miles is sufficient in length to give
continues to run until either a time used to compute final speed and accurate results. The course
reset is performed or power to the distance over the ground. should be as free as possible
u instrument is shut off. At 1959 (HRS
This button selects four discrete The calibration control located from the effects of turbulence and
damping levels. These damping lev- and MIN) the time resets to 0:00 on the front panel is used to adjust current.
els reflect averaging methods which (MIN and SEC). the instrument's microprocessor to - Under relatively calm wind and
To reset the timer, first push the particular hull and location of the current conditions, make timed
average speed readings over
increasingly longer intervals. The
higher the damping the less jitter you
and hold the a button. then
- transducer. As discussed under
"Installation", the imoeller in the trans-
two-way runs between markers (A
& B), steering a true course. The
will observe in the display (especially push the @button. The display ducer does not measure the exact
speed through the water because of
runs should be at a steady speed
which are close to the normal
true in rough water). The lower the
damping the faster the display will change to "TIME 00:OO" boundary layer effects. Fortunately, operating speed for the boat. (A
response you will observe when m
the effect is proportional to speed so
that a calibration at one speed is
two-way run will help minimize the
effects of wind and current and is
.. boat speed changes. Damping app-
Pressing this button will display good over the full range. However, essential if there is much of either
lies to both speed and VMG. The
the trip log distance since the last calibration should be done at typical present.) Make sure the boat is up
reset. The display will read in hun- cruising speeds; for example, a dis- to speed when the runs start.
dredths of miles up to 19.99 and in placement hull should be calibrated 11 Calculate the calibration
tenths from 20.0 up to 199.9. From at somewhat less than hull speed, speed by averaging the speeds over
200 to 1999 miles the display will while a planing cruiser should be the ground for each run between the
read in whole numbers only. The calibrated at the most economical markers. This method of calculation
annunciators "LOG" and "MILES" speed on plane. will cancel the effect of current dur-
will be displayed. This 'instrument was calibrated ing the opposing runs (while dividing
Regardless of which function is at the factory for a typical installation total distance by total time will not).
being displayed on the main unit the of the impeller on a typical boat. This method will require measuring
Link 5000 knotmeter log continues Since the water flow characteristics the distance on your chart and
to accumulate until it is reset. When may vary from one installation to recording the time in seconds for
power to the unit is turned off the log another, it is a good idea to check each run on opposite courses.
reading is remembered and con- the calibration and recalibrate if
tinues to accumulate when the unit SOG1 = DISTANCE (MILES)
necessary when the instrument is
is turned back on and the boat is installed on your boat. RUN TIME 1 (SECONDS) .:, %-
moving. At 2,000 miles the loa will SOG2 = DISTANCE (MILES)
autom~tically reset to 0.00. "
I A- YMG
COS 60' =
= BOAT SPEED COS elT =
I To reset Log, first push and RUN TIME 2 (SECONDS)
= CALIBRATION SPEED =
push @. The
6.40 (.5) 3.2 KNOTS
(SOG1 + SOG2) 1800
. - should show "LOG 0.00
If the distance used is in nautical Knots - MPH Conversion - If you Tro~lbleshooting Guide - The Note that the instrument cali-
miles then the calibration speed will calibrated the boat speed to display Link knotmeter is not designed to bration will be affected by progres-
be in knots. If statute miles are used in statute miles per hour, then both operate with any transducers except sive fouling of the hull. The boundary
then the calibration speed will be in boat speed and wind speed should the one(s) supplied for it by Datama- layer will effectively increase, and
MPH. use MPH. Calculated functions such rine. Any attempt to match or cali- the instrument will indicate lesser
NOTE: The speed calibration as VMG and True Wind will be inac- ' brate to any other type of transducer speeds than when originally cali-
units (either in knots or mph) should curate if mixed units are used. will not work. The unit is designed brated. The proper remedy is hauling
be kept the same as the units To convert to MPH, an internal and warranted for operation on 12 and cleaning of the boat's hull.
chosen for wind speed or VMG and jumper must be cut. Remove the ? volt battery systems only. If the impeller and cable seem
TRUE WIND will be incorrectly cal- four rear panel screws and open the Should your Link 5000 fail to proper, but the instrument does not
culated. See section entitled "Knots- rear of the instrument. Locate and operate at all, check power wiring. respond to the hand-turned impeller
MPH Conversion". carefully cut out the jumper. Remov- When power is applied in the proper signals, check further by disconnect-
21 Set the boat up on the same ing the jumper will automatically voltage range and polarity, the ing the cable and shorting the trans-
point of sail or engine RPM to return convert wind speed from knots to numeric display should appear. ducer input jack. Rapidly and
to the same average speed as before. MPH. Replace the four case screws. Should your knotmeter suddenly repeatedly shorting the inner con-
3 1 Push @ for boat speed (Zero ohm resistor, one black band, lose its calibration, reading lower ductor to the outer body of the coax-
left rear corner of middle p.c. board.) than actual speed, or display only ial connector should cause the
in the display. The LORAN cross-track error
41 Adjust the front panel SPEED 0.0 knots when underway, the fol- speed display to read other than 0.0.
and distance-to-waypoint will also lowing should be checked: If it does, the main unit is probably
CAL adjustment until the displayed be converted to statute miles. By
speed agrees with the calculated - Transducer Connections - A not at fault and the impeller and
cutting the jumper and calibrating small amount of water (especially cables should again be checked for
average speed. Use the small screw- the knotmeter to MPH all displayed
driver provided to fit the internal con- saltwater) will effectively short out faults. The transducer assembly
and network transmitted units will be the transducer signals. Check itself contains internal solid-state
trol. Clockwise rotation will increase based on statute miles. This will
the displayed speed, counterclock- cables, dry out connections. components that cannot be field
ensure that all distances (Log, XTE, - Impeller - Should be removed repaired. A replacement is required.
wise will reduce it. Range) will be consistent and that all
51 Replace the rubber plug. and inspected for non-fouled, If the instrument does not
calculated functions (VMG, True undamaged, free-turning condition. respond to the shorting of the trans-
Alternatively, the actual boat Wind, Mag Wind Direction, % Reach,
speed can be determined from a Keep the thru-hull plug handy at ducer input, internal problems would
OO Tack, and E3A) will be accurate.
/ all times. Spin the impeller by be indicated. At this point, your dealer
loran speed readout. However,
remember that the loran shows hand to verifv that o~eration is or the factory service department
restored. A I ~ O check that the should be utilized. See "Warranty
groundspeed, not speed through the
water. Be sure to calibrate the unit at
Troubleshooting arrow on the transducer ~oints Considerations" for information on
a time and location when the wind Speed unctions forward.
In saltwater and weed-filled
Fuse Blowing: Power problems
and tidal effects are minimal.
Also note that the loran ground- Datamarine is extremely proud of areas, transducer impeller fouling resulting in repeated fuse blowing or
speed is derived from its analysis of the Link knotmeter and the way it is can occasionally occur and low tripping of the rear panel circuit
the past few minutes' location fixes. constructed. As with any electronic speed readings will result. Remove breaker require servicing of the
As a result, there is a considerable equipment, however, many outside and clean the impeller and cavity instrument itself if the power lines
lag between actual boat speed or factors may influence proper opera- and renew the antifouling paint if check out correctly.
direction changes and the loran's tion, and there is always a chance of necessary. Fault 01. This indicates missing
averaged response. If using the component failures within the If erratic readings are observed wind data needed for the VMG cal-
loran speed display, be sure to set instrument. As a first line of help to at certain boat speeds, look for faulty culations. This condition is caused
the boat up on a particular heading the owner, we have provided the fol- connections that may be vibrating or by the Link wind input not being
and speed and maintain it for 5 min- lowing short troubleshooting guide to an improper transducer installation installed or operating properly.
utes or more. Only after 5 minutes of assist you in isolating certain types as discussed in the foregoing sections.
steady heading and speed will the of problems.
loran groundspeed display be If, at any time, you need the
accurate. factory's assistance for any problem
whatsoever, please call us. We are
available to assist you in any Link
Operation - The two WlND push True wind angle is generally ful for tactical decisions. "Am I get-
Wind Functions buttons are used to choose the type used for optimizing boat performance. ting a wind shift, should I tack?" or
General Information - The Link of wind information to be displayed. Upwind, each boat in any particular "When I round the windward mark
5000 wind system contains a multi- Their functions are as follows: wind, sea and sail configuration has will it be a port or starboard spinnaker
function wind instrument designed to an optimum true wind angle to main- set?" By electronically adjusting for
This display is the appar-
meet the demand of racing and tain. Also, sail selection is best made changes in the current boat's head-
ent wind instrument information. It by reference to true wind strengths ing, real changes in the prevailing
cruising sailboats as well as all types
indicates the wind that one feels and to true wind angles. winds can be picked up much more
of power yachts. It gives the user
moving with the boat through the True wind direction is very use- easily.
true wind both relative to the boat's
wind and will not indicate the actual
heading and to magnetic north, as
spe&$sr direction one observes with
well as the usual apparent condi-
the boat at rest.
tions. In addition, the Link wind sys-
The display will show in the I Figure 34
tem interfaces with the Datamarine
center the apparent wind angle with
Link network, supplying information
the O indicator as well as the appar-
to any number of wind, wind
ent wind speed above and to the
dependent and multi-function remote
riaht of the anale. When in the
units which may be connected to
apparent windmode the "APPR REL
that network. The significant features
ANGLE" indicator will always be on.
of your new wind instrument are:
- Display: Low power LCD display @ Will cause data to be dis-
of wind speed and direction
THREE DISPLA Y FORMATS:
played which is compensated for the
vessel's speed. This display is equal
to what one would observe if the
Apparent wind - as observed on boat was at rest. Actual boat speed
board affects both speed and direction of
True wind angle - relative to boat the apparent wind one would
True wind direction - relative to observe while under way. This func-
magnetic north tion calculates this effect and
- Wind Speed Is user-selectable for removes it.
either knots or mph. The first push of this button dis-
- Masthead: Uses Datamarine's plays the true wind angle, i.e. the true
WX-175 masthead unit. A proven wind speed and its angle relative to
aircraft type synchro design the boat's current heading.
weighing less than 16 oz. A second push will cause true
- Compass Input: Interfaces to any wind direction to be displayed. The
electronic compass with "N+1" true wind direction is the actual wind
output. relative to magnetic north. This will
- Network Remotes: This wind only display if an electronic compass
instrument provides Link network has been connected to the main
wind information for remote unit. The LCD will clearly indicate
instrument(s) located throughout which wind function is being
the boat. The wind instrument also displayed:
provides wind information to the APPR REL ANGLE apparent wind
knotmeter for VMG calculations. speed and direction
- Operation: The wind machine is TRUE REL ANGLE true wind speed
totally automatic allowing for and angle off the bow
"hands off" operation. As one TRUE MAG DIRECTION true wind
APPARENT TRUE BOAT
sails, the Link wind instrument will speed and direction with respect to
WlND WlND SPEED
give continuous wind direction magnetic north
14 KNOTS - 37O 1 0 KNOTS - 60' 6 . 4 0 KNOTS
and wind speed readings through
Damping: This control is a push tape before the mast is stepped.
button that selects four discrete [Hint: A light li-ped to the
damping levels. These damping lev- upper part of the masking tape
els reflect averaging methods which can be gently pulled after calibra-
average speed and wind readings tion is complete. This will peel off
over increasingly longer intervals. the tape and eliminate the need to
The higher the damping level the go up in a bosuns chair!]
less jitter you will observe in the dis- 3. The instrument can now be
play (especially true in rough water). aligned to the known vane position.
The lower the damping level 4 Select Using the small
the faster display response you will
observe when wind or boat speed screwdriver provided, rotate the
changes. wind angle calibration control to
The same damping level is change the displayed reading.
used for wind functions, speed func- Moving the control to the full
tions and boat heading. clockwise position will lock on to
the wind angle in the display at A good way to fine tune the speed is desired in statute miles per
Pressing the button the first setting is to note the apparent hour instead of knots, see the sec-
time will display the current level of that moment, then will cause the
displayed wind direction to rotate wind angle on each tack to wind- tion "Knots-MPH Selection." If wind
damping. Successive presses will ward. If it is different on either side, speed is displayed in mph, boat
raise the level of damping until level to the right by one degree per (
second. Full counter clockwise will h)the offset angle probably needs to speed should also be calibrated in
4 is reached. The next press returns be calibrated. A likely correction mph so that computed functions are
to damping level 1. The damping rotate the displayed wind direction
to the left. When displayed on a would be half of the difference accurate.
level is displayed as "3P: " through between the two apparent angles.
"d:I9 : The display will automatically
' 360' analog meter such as the
550 remote, a clockwise control For example, if the boat is "in the
return to the last selected function a groove" at 40' on port tack and
few seconds after pressing the rotation establishes a 1O / second
36O on starboard, the setting
damp button. When power to the clockwise pointer movement. A
counter clockwise adjustment should be rotated to the right wind
main unit is turned off the selected
damping level is stored in memory produces a counterclockwise (clockwise) by 2" (400- 360). Troubleshooting
and will be automatically selected pointer movement. A short buzzer
2 Several diagnostic modes are incor-
when power is restored. beep indicates when each degree
is added or subtracted. The lock Turn the adjusting screw to the porated into the 5000 to assist trou-
on feature eases calibration when right until 2 beeps are heard then bleshooting. When either apparent or
true wind is selected, fault codes
Wind Calibration the boat is swinging at the moor-
ing or the wind is shifting.
Note: Be sure to leave the may appear in the display if a prob-
Angle Calibration - The 5000 When desired alignment is adjustment in the center lem exists.
must be aligned with the masthead reached move the control to the (no beeping) when the Fault 01: Indicates that no mast-
vane. center of its rotation until the calibration is completed. head wind information is being
1. Remove the small rubber plug buzzer stops and the display is This will load the angle received by the main unit. This could
marked "Wind Angle" on the front stable. The display will then offset into the non- be caused by a number of things
panel. rapidly change to the current wind volatile memory and including missing or defective mast-
2. Set the boat up on a heading vane angle with the new offset prevent accidental head, broken or incorrect masthead
which produces a known appar- applied. changes. wiring, defective components in the
ent wind angle. The easiest is 10 main unit, etc. One should carefully
put the boat head to wind on a check the wiring and the masthead
mooring for a 0° apparent angle. Wind Speed Calibration - As (as described in the masthead
Alternatively, the vane can be shipped the 5000 is accurately cali- installation section) to isolate the
fixed at any particular angle. A i-'brated to display wind speed in knots. cause of this fault. This fault will be
good way to do this is to tape the Except for the knotslmph displayed if apparent wind, true wind,
vane fore and aft with masking select~on, no further adjustment of or VMG is selected and the wind
wind speed is necessary. If wind information is missing.
Fault 05: This indicates missing
data needed for the calculated func-
Magnetic Compass 550 Remote
tion MAG (True Wind MAG Direc- Display QQb Operation
tion) or for MAG-HDG display. This
condition is caused by missing
compass data, or due to the fact a
compass is faulty or not connected
to this instrument correctly. NOTE:
Only N+l format (at 5 volt TTL This button will display the current
levels) is acceptable as a compass boat heading in degrees magnetic.
input. The electronic compass input is dis-
Refer to the masthead installa- played directly in addition to being
tion section to determine if the mast- transmitted on the Link network for
head and associated wiring is faulty. use by other instruments and for
Most wind failures can be traced to computed functions.
masthead cable and connector Remember that this heading
problems. display and any function which uses
boat heading is only as good as its
source of data. Be sure the compass
sensor is properly compensated
("Swung") and is free from varying
sources of local deviation, e.g., tool-
boxes, portable radios. Follow the
compass manufacturers instructions
The damping control also has
influence over the heading displays.
If the heading numbers have too
much jitter. push the but-
ton to increase the damping level.
The compass functions will only
work when a compatible electronic
compass sensor is installed. If no
sensor is installed or if the data for- In most ways the operation of the except that, for convenience sake,
mat is incorrect the 5000 will display remote is similar to the main unit. you can mute an alarm ringing at
"FAULT 05." Check for power and Keyboard arrangement and func- any other Link instrument. How-
correct operation of the compass tions are nearly identical. ever, be sure you know why the
sensor. Remember that the 550 remote alarm is sounding before disabling
has its own computer and operates it. The 550 remote will display
nearly independently of the main depths to 999 feet or equivalent in
I instrument. meters or fathoms, has a dedi-
- Depth Functions - The depth cated alarm mute key and will
units and the depth alarm position accept alarm settings to 900 feet.
can be set at the remote to differ- It operates just like the 5100 main
ent values than those at the main unit otherwise.
unit. Varying these settings at the - Speed Functions - Again, the
remote will have no effect on the speed functions are independent
settings at the main instrument. If of the corresponding ones at the
a depth alarm rings at the remote nav station. Time, Log and Aver-
~twill not ring at the main unit (and age Speed can each be reset at
vice versa). Each is independent,
the remote without affecting the 1. Depth units - the units most
information on the main unit. In recently selected FTIMIFM Warranty track the Link systems in the future
for update information, product
each case, the procedure is the will be remembered and depth Your Datamarine Link 5000 system improvement alerts, and the above
same as on the main: first press will be displayed in that form components are covered by a 12- mentioned users' group. Als?, our
and hold then push the when the unit is turned on month limited warranty and a sub- warranty and service programs are
again. sequent 4-year service program. All an important part of our product.
function to be reset.
2. Depth alarm settings - will be repairs are done at the factory or at We're committed to standing behind
- Damping - The control retained for future use. one of our service depots. We will our product, fixing it, and updating it.
affects the damping level of the 3. The function selected for each accomplish the repair of your We need your warranty registration
wind as well as the speed func- display will be remembered instrument within 48 hours. card to help us serve you best in the
tions. For proper calculation of and will reappear automatically Basically,this warranty will pro- years ahead. Please respond!
computed functions, all quantities when power is reapplied. This vide for the free repairs of faulty Link
in the system are damped to the will prevent possible confusion instruments returned to us for one
same extent. As a result, when in case power is lost tempo- year from purchase date, except for
the remote damping is changed, rarily due to an engine start for obvious causes like mechanical
- the main unit damping is changed example. abuse, over-voltage, etc. The service
as well. Damping level selection 4. The trip log and average speed program guarantees prompt repair of
and display operate as on the basis will be retained for future instruments beyond warranty at a
5100 main unit. use. Remember to reset these maximum charge of only 10% of the Warranty
at the start of a new trip if you
- Wind Displays - The central dis-
do not wish to increment the
list price of the unit. Please consult
the warranty statement for exact
play of wind gives the apparent
wind angle and speed. When first existing log reading or average ~3details. PLEASE NOTE
turned on, the pointer will turn future speeds with past ones. Upon registration with Data-
through a self-calibrating 360' 5. Damping level. marine, each Link system owner will Warranty will be voided by:
swing then immediately advance - Lighting - The main unit's toggle receive a service ID card with a IMPROPER FUSES
to the correct angle. Wind angle switch controls system lighting special 800 telephone number for OVER-VOLTAGE DAMAGE
changes will be reported with a and will turn on the remote lighting Link system service. In addition, that PHYSICAL DAMAGE
112" resolution. to mid intensity. Adjust it up or card will contain data pertaining to SALTWATER IMMERSION
Wind speed is displayed in warranty, service, and contacts at IMPROPER ATTEMPTS AT REPAIR
down from there with the
whole numbers in the digital dis- Datamarine. To receive this quick
button. reference card, please return your For prompt factory service, mail or
play. Calibration will be in knots,
unless the main unit has been - Weather Cover - An attractive owner's registration cards as soon s h i to:
modified to display statute miles canvas cover is supplied with as possible after installation of your
Link System Service
per hour. Should a wind fault occur your unit. While the boat is not equipment.
and the remote no longer receive being used the cover will protect To register your warranty,
53 Portside Drive
network wind information the the instrument from U.V. rays and please fill out and return the enclosed
Pocasset, MA, USA 02559
pointer will point directly astern from rain and dirt. It will pay to postage-paid warranty card. This will
Telephone: (617) 563-71 51
and two dashes will appear in the replace the weather cover while help us serve you better in the future.
wind speed LCD. the boat is idle. We at Datamarine hope to establish (Include return address and symp-
Wind fault = Pointer South, a fraternity of Link system users over toms and as much information as
- Winter Storage - If the boat is
"--" in LCD. the next decade. This group will be possible about installation factors.)
laid up for any period of time
kept up-to-date on new Link devel-
- Memory - Both the main unit especially in extremely cold cli-
opments, Datamarine, and other user REPAIRS OUT OF WARRANTY
and remotes have independent mates, it will be a good idea to
experiences.To do this, it is vitally WlLL BE PERFORMED AT MODEST
memorys which retain certain remove the Link instruments from
important that we receive your COST FOR LABOR AND PARTS.
information when the instruments the boat. Store them in a safe dry
owner's registration ?arb back at the THE INSTRUMENT WlLL BE
are turned off. These memorys location away from the condensa- RETURNED TO ADDRESS SPECI-
factory. We will not sell your name to
require no current, no batteries tion and temperature extremes FIED WITH A C.O.D. CHARGE FOR
others or use it in any way you might
and will store this information which they would experience on SERVICE AND FREIGHT.
object to. Our main purpose is to
indefinitely. the boat.
Limited 12 Month Warranty Four Year Factory Service Program
Datamarine International, Inc. of 53 Portside Drive, Pocasset, In consideration of the purchase of this product, Datamarine
Massachusetts, warrants to the owners of its product that such shall at any time within 4 years following the expiration of the
product shall be operative and free of defects in factory-provided warranty period, repair and recalibrate any product other than one
material and workmanship for 12 months after original purchase, which has been altered, damaged by negligent installation,
however, in the event the attached warranty card endorsed by the mishandling or improper operation for a nominal charge, not to
selling dealer is not returned to Datamarine, Inc. at the above exceed 10% of the original retail price except that components
address within 30 days of the time of purchase, the full warranty subject to constant wear, installation and environmental hazards
period shall be for the 12 months after the date of manufacture. This such as, but not limited to, flow sensors and transducers, will be
warranty does not cover damage resulting from negligent provided at current published prices. All such charges, plus freight
installation, improper operation, unauthorized repair andlor or postage, shall be assessed to the owner by C.O.D. return
substitution of component parts other than those provided by shipment of the repaired product. The product must be returned,
Datamarine. Full performance specifications (expressed or implied) postage prepaid, to the factory for repair and should be
which can be adversely affected by installation and operating accompanied by a legible return address and brief statement of
environment are not guaranteed under this warranty. malfunction. Services under this program will be available at any
Any defective Datamarine product which is received by time of year and will be completed within 48 hours of receipt of
Datamarine during the warranty period will be repaired or replaced product.
free of charge at the option of Datamarine.
The product must be returned, postage prepaid, to the factory
for repair and should be accompanied by a legible return address
and brief statement of malfunction. Services as described above will
be available at any time of year and will be completed within 48
ihours of receipt of product. Components, permanently installed and
' contributing to the integrity of a hull need not be returned for repair.
Datamarine will make every attempt to effect repairs when only the
instrument porlion of the product is returned.
LIMITS OF LIABILITY
The foregoing shall constitute the sole and exclusive remedy
of any owner of this product for breach of warranty including the
implied warranties of merchantibility and fitness. IN NO WENT
SHALL DATAMARINE INTERNATIONAL, INC. BE LIABLE FOR
SPECIAL OR CONSEQUENTIAL DAMAGES OR THE
REPRESENTATIONS OF RETAIL SELLERS.
Datamarine International Inc. "*,
53 Portside Drive .
Pocasset, MA USA 02559 &+,S ,