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' Autohelm Raymarine: St50 plus Tridata Repeater Multi function St50 '



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       Distributed by



 Any reference to Raytheon or
RTN in this manual should be
  interpreted as Raymarine.
The names Raytheon and RTN
       are owned by the
     Raytheon Company.
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                          TRIDATA & REPEATER   -                                                . . .

                              Operation and
                                Installation
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ST50 Plus Ttidata     and Repeater Operation and Installation Handbook




                 Autohelm and SeaTalk are registered Trade Marks of Nautech Limited
    Autohelms policy of r.on@nl~~~lg i-np~~\pm& 2nd ydatino    I-MU
                                                     r'--.. .m . . . ..Jrhannn
                                                                         "..I8 `0" nrn~   1-t cl).rrw,n#"L,"t
                                                                                   p?' VU""%  --A+-+;--- I.3
                                              without prior notice
                                          Copyright Nautech 1993
                 ST50 Pius Tridata and Repeater Operation and Installation Handbook   ST50 Plus Tridata and Repeater Operation and Installation Handbook




"ackage Contents
            The following items are included in the ST50 Plus Tridata package:
            1. ST50 Plus Tridata control head
            2. Fixing studs (2 offI
            3. Thumb nuts (2 offI
            4. Fiing template
            5. Power cable
            6. Speed transducer (through hull) with 14m (45ft) of cable
            7. Depth transducer (through hull) with 14m (45ftI of cable
            8. Control head cover
                                                                                                                       Autohelm
            9. Operation and Installation handbook
            10. Worldwide Service Centre handbook
            11. Warranty document                                                                                                   SeaTalk

            12. Securii sticker
SE0 Plus Tridata and Repeater Operation and lnstalfation Handbook
                                                                    Contents




                                                                    Contents
                                                                               Introduction .......................................................................            1
                                                                               Chapter 1: Control Headlnst&tion ......................................                         3
                                                                                       1.1 Sing ...........................................................................    3
                                                                                       1.2 Mounting Procedure ...................................................... .4
                                                                                       1.3 Power Supply (standabne operation) ................................ .6
                                                                                        1.4 Power Supply (SeaTalk operation) .................................... .6
                                                                                        1.5 Connection of Separated Instruments ............................... .7
                                                                                        1.6 Ring Connection ............................................................ .8
                                                                                        1.7 Connection to SeaTalk Compatible Autopilots ..................... .8
                                                                               Chapter 2: Transducer Installation ........................................       9
                                                                                     2.1 Connection to the Control Head ....................................... .9
                                                                                        2.2 Transducer Selection ..................................................... .9
                                                                                      2.3 Transducer Installation .................................................. 10
                                                                                Chapter 3: Fault Finding and Maintenance ............................                13
                                                                                        3.1 Fault Finding ............................................................... .13
                                                                                        3.2 Maintenance ............................................................... 14
                                                                                Chapter 4: Operation ........................................................                  15
                                                                                         4.1 Depth Key ...................................................................     16
                                                                                         4.2 Speed Key ................................................................... 17
                                                                                         4.3TripKey.. .................................................................... 18
                                                                                Chapter 5: CODE LockSecwity ..........................................                         21
                                                                                Chapter 6: Calibration .......................................................                 25
                                                                                         6.1 Initial Calibration ...........................................................   26
                                                                                         6.2 Log Calibration ........................................................... .28
                                                                                         6.3 Intermediate Calibration ................................................. 32
                                                                                      6.4 Extended Calibration .................................................... .34
                                                                                 Chapter 7: Connection to other Marine Equipment ................. 37
                                                                                 Chapter 8: GeneralSpeciticatim~ ........................................                      39
ST50 Plus T&Ma and Repeater Operation and installation   Handbook   !SEOUus   Ttidata andRepeater Operation andlhstallation   Handbook




                                                                    Introduction
                                                                                              The ST50 Plus Tridata is a multifunction instrument providing comprehensive
                                                                                              speed, distance, depth, sea temperature and timing information.
                                                                                              The instrument can be configured to operate as a master unit or a dedicated
                                                                                              repeater. Settings such as log, speed, depth and temperature units are
                                                                                              stored in permanent memory and retained even when the power source is
                                                                                              disconnected. The log function can be calibrated automatically over a
                                                                                              measured distance or by simple entry of a calculated calibration factor.
                                                                                               The ST50 PlusTridata also incorporates a securii feature to protect
                                                                                               instruments mounted in vulnerable areas such as the cockpit, helm or mast.
                                                                                               Thank you for purchasing an Autohelm product. May we take this opportunity
                                                                                               to wish you years of trouble free operation.
Chapter 1: Control Head Installation




Chapter 1: Control Head Installation
                                 1lOmm (4.33in)           38.75mm (1.5in)


                              t-7




1.1 Sing
                          The ST50 Plus TridataRepeater is designed for above or below deck
                          installation where it is:
                          l   Easily read by the helmsman
                          l   Protected against physical damage
                          l   At least 230mm (gin) from a compass
                          l   At least 500mm (20in)from radio receiving equipment
                          l   Accessible from behind for ease of installation and cable running
                          caution:
                          To prevent moisture forming on the display window, the ST50 Plus
                          T~~~~e~~~ughasmallventin~cableboss.
                          Therefore, the control head must be sited where the rear case is
                          protectedfretllcontactwithwater.
                            S T 5 0 P l u s Ttidata a n d R e p e a t e r O p e r a t i o n a n d I n s t a l l a t i o n H a n d b o o k   Chapter 1: Control Head Installation




                 The rear case is fitted with a foam gasket to form a water-tight seal between                                                          Bracket Mounting
                 the instrument and the selected installation face.
                                                                                                                                                                     The ST50 Plus TridaWRepeater can, as an afternative, be bracket mounted
                                                                                                                                                                     using the Autohelm Mounting Kii (Cat. No. D130).




                 I                                                                                                    01250
                     1 Cable boss 2 Feting studs 3 Thumb nuts 4 Gasket
                                                                                                                                                                     Note: Because the instrument breathes through the vent in the rear case, this
I .2 Mounting Procedure                                                                                                                                              bracket is for interior use only.
                     1. Make surethat the selected location is clean, smooth and flat.                                                                  Flush Mounting
                     2. Applythe self-adhesive template (supplied) to the selected location and                                                                     A flush mounting kii is available for installations where a flush mount is required
                        mark the centres for the fixing studs (2) and the cable boss (1).                                                                           or more desirable. Full installation instructions are provided with
                     3. Drill two 4mm (5/32inI clearance holes for the fixing studs (2) through                                                                     the kit(Cat. No. D183).
                        the bulkhead. Remove the template.
                     4. Cut the clearance hole for the cable boss (11 using a 50mm (2in)
                        diameter cutter.
                     5. Screw the two fixing studs (2) into the control head.
                     6. Pass the SeaTalk cable and transducer tailsthroughthe cableboss ( 1)
                        clearance hole.
                     7. Assemble the control head to the bulkhead and secure from behind
                        using the thumb nuts (3).
                        S730 Plus Tridata     and Repeater Operation and Installation Handbook     Chapter 1: Con&o1 Head Installation




.3 Power Supply (stand-alone operation)                                                            1.5 Connection of Separated Instruments
                                                                                                                           Separated instruments can be connected using one of the range of SeaTalk
                                                                                                                           Extension Cables. These cables are supplied with a SeaTalk connector fitted
                                                                                                                           to each end. Ajunction box can be used to join the cable ifit is cut for easier
                                                                                                                           routing or shortening.
                                                                                                                           lf preferred, any 2 core, screened cable co&m-ring to the following specifica
                                                                                                                           tion may be used instead of the SeaTalk cable.
                                                                                                                           l   22 AWG, 2 core screened cablewith a minimum copper area of 0.5mm2.
                                5 Amp circuit breaker

                          S-Red
                       12v supply




                 1 . Connect the 2m (6ftI power supply cable directly to the distribution panel.
                 2 . Cutthecab!etolengthandconnecttheredwiretothe+12Vterminaland
                     screen to the OV terminal.
                  3. Cutbackandinsulatetheyellowwire.
                  4. Protect the circuit with a 5Acircuii breaker.
                  longerrunstothepowersupplycanbemadeusingoneoftheSeaTalk
                  Extension Cables.

.4 Power Supply (SeaTalk operation)
                  All instruments in a SeaTalk system receive power and information from the
                  SeaTalk bus. Each instrument has iwo SeaTalk connectors (3 pin) on
                  150mm (6in) tails. To supply power and information to the instrument simply
                  plug the tails from adjacent instruments into the ST50Tridata tails.

                                                  To transducer
                        ST50    Plus Tridata    and Repeater Operation and Installation Handbook              Chapter 2: Transducer Installation




.6 Ring Connection                                                                                            Chapter 2: Transducer Installation
                Installations with a large number of instruments on a SeaTalk bus may require
                a second ring-main connection to the power supply breaker to prevent                          2.1 Connection to the Control Head
                excessive voltage drops. Whether a second ring main is required can be
                                                                                                                                       The ST50 PlusTridata is supplied with depth and speed transducer cable
                determined from the following:
                                                                                                                                       tails and connectors. These cable tails plug into the mating connectors fitted
                 Cable run upto 10m (33ft)                                                                                             to the 14m (45ftI depth and speed transducer cables.
                 Single connection:            13 instruments maximum
                 Second connection:            26 instruments maximum
                 Cable run upto 20m (66ft)
                 Single connection:            7 instruments maximum
                 Second connection:            13 instruments maximum
                 The second ringmain should be connected to the spare lead on the last
                 instrument in the chain and directed back to the circuit breaker.

.7 Connection to SeaTalk Compatible Autopilots
                 lf the installation includes a SeaTalk compatible Autopilot the ST50 Plus
                 instruments may be connected to the SeaTalk bus at any point. No independ
                 ent connection to the 12V power supply is necessary as the instruments
                  receive power from the Autopilot course computer.


                                                                                                              2.2 Transducer Selection
                                                                                                                                       The type of speed transducer used is dependent on the hull material. The
                                                                                                                                       following list shows the appropriate transducer for hull type.
                     To autopilot
                     SeaTalk BUS                                                                                                       Transducer Type                    Hull Material
                     Connection
                                                                                                                                       Speed
                                                                                To any further
                                                                                ST50 Instruments                                       2092 Through Hull Plastic:         GRP (Glass Reinforced Plastic), Steel and
                                                                                or Autopilot                                                                              Aluminium
                                                                                Control Units
                                                                                              0,134. Ll
                                                                                                          .                            ZllGThrough HullBronze:            Wood
                                                                                                                                        Depth
                                                                                                                                        ZO91 Through Hull Plastic:        GRP (Glass Reinforced Plastic), Steel and
                                                                                                                                                                          Aluminium
                                                                                                                                        -__ ^-
                                                                                                                                        Lll8 I nrougn Hull Bronze:        Wood
                                                                                                                                        Z120 Retractable through hull:    GRP (Glass Reinforced Plastic), Steel and
                                                                                                                                                                          Aluminii
                          ST50 Plus    Tridata   and Repeater Operation and Installation Handbook        Chapter   2:   Transducer   Installation




!.3 Transducer Installation
                  All transducers are supplied with detailed installation and maintenance
                  instructions.
                  These instructions, together with the following notes, should be read
                  thoroughly before attempting to install the transducer.
                                                                                                     `


        Sing
                  For accurate speed and depth readings, the transducers should be sited
                  within the shaded clear flow areas.




                                                                                                                        Cabling
                                                                                                                                      1 . Run the cables back tothe control head.
                                                                                                                                      No&Avoid fluorescent lights, engines, radio transmitting equipment etc. as
                                                                                                                                      these may cause interference. Also, keep the transducer cable clear of bilges
                                                                                                                                      and secure at regular intervals.
                                                                                                                                       2. Fiithetransducer and instrument cable connectors together. To lock the
                                                                                                                                          connectors, push and rotate the ring onthetransducer cable connector
                   1 Sal 2 Flanning power 3Displxementpower                                                                               towards the instrument connector.
                   The transducers should also:
                    l   be ahead of the propellers (10% W.L. length minimum)
                    l   be at least 15Omm (6in) away from the keel (ideally ahead of the keel if a
                        sailing yacht)
                    l   be as near as possible the centreline of the vessel
                    l   be clear of otherthroughhull fittings or projections
                    l   have sufficient clearance inside the hull to fit the nut
                    l   have 1OOmm (4in) of headroom to allow for withdrawal
                    l   (depth transducer) be within 10" of vertical, fore, aft and athwartships.
ST50 Plus Tridata and Repeater Operation and Installation Handbook       Chapter 3: Fault Finding and Maintenance




                                                                         Chapter 3: Fault Finding and Maintenance
                                                                         3.1 Fault Finding
                                                                                                 All Autohelm products are, prior to packing and shipping, subjected to
                                                                                                 comprehensive test and quality assurance programmes. However, if a fault
                                                                     ,                           arises with the ST50 Plus Tridata, the following table will help to identify the
                                                                                                 probable cause and provide the most likely cure.

                                                                                                  Fault                      Cause                      Action

                                                                                                  instrument display         No supply.                  Check supply.
                                                                                                  blank.                                                 Check cabling and
                                                                                                                                                         security of SeaTalk
                                                                                                                                                         connectors.
                                                                                                                                                         Check fuse/breaker.
                                                                                                                                                         Return unit for repair.
                                                                                                  Instrument displays        The `Code Lock' feature Enter correct code
                                                                                                  `CODE SET                  has been set.           number.

                                                                                                  No speed or                Transducer cabling          Check cabling and
                                                                                                  temperature                problem.                    security of transducer
                                                                                                  information.                                           connector.
                                                                                                  No speed information. Transducer                       Clean paddlewheel.
                                                                                                                        paddlewheel fouled.

                                                                                                  No exchange of              SeaTalk cabling            Check security of
                                                                                                  information between         problem.                   SeaTalk connectors.
                                                                                                  SeaTalk instruments.                                   Disconnect instruments
                                                                                                                                                         one by one to isolate
                                                                                                                                                         faulty unit.
                                                                                                   Failure of a group of SeaTalk                         Check security of
                                                                                                   instruments in SeaTalk cabling/connector              SeaTalk connectors
                                                                                                   chain.                problem.                        and non-functioning
                                                                                                                                                         units.
                                                                                                   Depth reading flashes      Transducer                  Check cabling and
                                                                                                   continuously (depth        cable/connector             security of transducer
                                                                                                   greater than 3 feet).      problem.                    connector.
                                                                                                   Depth reading flashes      Aerated water               Normal reading will
                                                                                                   while underway.            Boat wakes                  return when clear of
                                                                                                                              Prop wash etc.              disturbed water.
                        S T 5 0 P l u s Tridata a n d R e p e a t e r O p e r a t i o n a n d I n s t a l l a t i o n H a n d b o o k   ChaDter 4: ODeration




.2 Maintenance                                                                                                                          Chapter 4: Operation
       Instrument                                                                                                                                              As it leaves the factory the ST50 Plus Tridata is set to:
                 Certain atmospheric conditions may cause condensation to form on the                                                                          l   display speed in knots
                 control head window. This will not ham-r the instrument and can be cleared by                                                                 l   display depth in feet
                 increasing the illumination setting to Level 3.
                                                                                                                                                               l   display distance in miles
                 Chemical and abrasive materials must not be used to clean the ST50 Plus
                                                                                                                                                                   master mode
                 Tridat@epeater instrument; if it is dirty, clean with a soft, damp cloth.
                                                                                                                                                               l


                                                                                                                                                               l   `CODE Lock' switched off
       Transducer
                                                                                                                                                               Other factory default settings are:
                 Refer to the Installation and Maintenance instructions supplied with the
                                                                                                                                                               l   shallow alarm set at 10 feet (disabled)
                 transducer.
                                                                                                                                                               l   deep alarm set at 100 feet (disabled)
       Cabling                         ., . .
                                                                                                                                                               These settings can be changed in calibration, Chapter 6.
                 Examine all cables for chafing or damage to the outer shield and, where
                 necessary, replace and resecure.

       Advice
                 For advice, or further information regarding the installation of this product,
                 please contact the Autohelm product Support Department or your own
                 National Distributor.
                     ST50 plus Tridata     and Repeater Operation and Installation Handbook   Chapter 4: Operation



.l Depth Key                                                                                  4.2 Speed Key




                                                                                                                                   AVERAGE SPEED

                                                               LIGHTS
                      SHALLOW ALARM
                                                                 L3




                                                  ,
                                                                                                                                   MAXIMUM SPEED

                                                                LIGHTS
                                                                  L2




                                                                                                                                     BOAT SPEED

                           DEPTH                                                                                                          1
                                              ,
                                                                                                          Speed Key Notes                                                           ,. i"
                                                                                                                     The average and maximum speed displays are updated by pressing RESET
                                                                                                                     momentarily.
                                                                                                                     Note: Average speed cannot be reset on tie Tridata Repeater.

       Depth Key Notes                                                                                               The average and maximum speed displayswill return to normal 8 seconds
                                                                                                                     after the last key press.
               The lights, shallow alarm and deep alarm displays will return to normal 8
               seconds after the last key press.
            ST50   Plus Tridata and Repeater Operation and Installation Handbook   Chapter 4: Operation




3Trip Key                                                                                     Trip Key Notes
                                                                                                          Timer
                                                                                                          The countup, 10 minute and 5 minute countdown timers are started
                                                                                                          as follows.
                                                                                                          Count-up timer
                                                                                                          Wth the timer legend displayed, momentarily press RESET to start
                                                                                                          the timer.
                                                                                                          10 minute countdown timer
                                                                                                          Wti timer legend displayed, press RESET for 1 second to access the 10
                                                                                                          minute timer. To startthe timer, press RESETmomentarily.
                                                                                                          5 minute countdown timer
                             TIMER
                                                                                                          With timer legend displayed, press RESET for 1 second to access the 10
                                                                                                          minute timer and then press RESET again for 1 second to access the 5
                                                                                                          minute timer. To start the timer, press RESET momentarily.
                                                                                                          Freeze timers
                              LOG
                                                                                                          To freeze the timer display, press RESET momentarily. Although the display
                                                                                                          has been frozen the timer continues to count in the background.
                                                                                                          To return to the `live' timer display, press the RESET key once again.
                                                                                                           Reset timer
                         SEA TEMPERATURE
                            (Degrees C)                                                                   The 5 and 10 minute timers are reset by pressing RESET for 1 second. The
                                                                                                          countup timer is reset as follows:
                                                                                                           l   Press RESET for 1 second to select the 10 minute timer.
                                                                                                           l   Press RESm again for 1 second to select the 5 minute timer.
                         SEA TEMPERATURE
                            (Degrees F)
                                                                                                           l   Finally, press RESETfor 1 second to return tothe countup timer.
                                                                                                           Tiier alarms
                                                                                                           The following alarms will sound when the 5 and 10 minute timers are running:
                                                                                                           l   double beep every minute
                               TRIP
                                                                                                           l   beep three times at 30 seconds to zero
                                                                                                           l   beep every second from 10 seconds to zero
                                                                                                           l   beep twice when the timer reaches zero and begins to countup.
                                                                                                           No&The timer operates globally. That is, if you freeze the timer on the
                                                                                                           Tridata the timer will be frozen on all other units with a timer facility.
       ST50 plus Tridata     and Repeater Operation and installation Handbook   Chapter 5: CODE Lock Security




You can, once the 5 or iU mrnute countdown timer has been activated,            Chapter 5: CODE Lock Security
return to one of the main displays.The timer will continue to operate in the
background.                                                                                            The ST50 Plus range incorporates an anti-theft feature called `CODE
                                                                                                       Lock'. Designed to protect individual instruments or complete systems in
These alarms can be switched off if required (refer to para. 6.1, Initial
                                                                                                       vulnerable areas, `CODE Lock' is a four digit number that you programme
Calibration for procedures).
                                                                                                       into the permanent memory of a selected `master' instrument.
Trp                                                                                                    Note: A `master' instrument is a digital unit on which the code number
Trip distance is cleared by pressing RESmfor 3 seconds. During this period                             can be entered, and then, if part of an integrated system, transmitted to
the current trip distance will flash until it is zeroed.                                               other ST50 Plus instruments.
                                                                                                       This facility means that, should a CODE Locked instrument be removed
                                                                                                       from the vessel without your permission, it cannot be operated without
                                                                                                       the four digit securii number.
                                                                                                       `CODE Lock' can be used in one of three modes:
                                                                                                       Mode 1: Off
                                                                                                       As it leaves the factory `CODE Lock' is set to off. In this mode the
                                                                                                       instrument will operate normally when it is switched on, however, the unit
                                                                                                       will not be protected by the anti-theft feature.
                                                                                                       Mode 2: `CODE Lock' Once-Only Enby (page 23)
                                                                                                       This mode is designed for systems with a digital ST50 Plus instrument in
                                                                                                       a safe, belowdecks location. This instrument can then be used as a
                                                                                                       `master' to enter the four digit code number and, when the power is
                                                                                                       switched on, automatically transmit the code to all the instruments in the
                                                                                                       system. The advantage of this mode is that, with the master safely below
                                                                                                       deck, code entry via the keypad is a once-only operation on installation.




                                                                                                        I        l-5                                             I




                                                                                                        Once `CODE Lock' is set the system will operate normally as soon as the
                                                                                                        power is switched on. In other words, the `CODE Lock' securii number
                                                                                                        is invisible.
                  ST50 Plus Tridata    and Repeater Operation and Installation Handbook       Chaoter 5: CODE Lock Securitv                                                                    23



        II-     ~I~   e .-A-C.        . n.
        nwx8e 3; buuc           LOCK    mpui: ai: Fewer-0n {page 24j                                                 Gnce Oniy Eniry
        In the `Power-On mode', the ST50 Plus is configured so that you have to                                                Action                                     Display Shows
        enter the four digit number on a `master' digital instrument every time the
                                                                                                                      1        Press and DEPTH and SPEED together         CALafter Zsecondsand
        system is switched on. Until this number is entered the                                                                for 4 seconds                              CAL and software
        instrument(s) will not operate.                                                                                                                                   version after 4 seconds
        This mode is particularly useful when you are unable to position a `master'                                   2        Press DEPTH twice                          CAL CODE OFF
        instrument below decks and, therefore, all the vessels valuable instru-
                                                                                                                      3        Press SPEED                                 ---_
        mentation is left in a vulnerable area.
                                                                                                                      4        Press TRIP or RESET to select first         1___
        I                                                                                                                      number
                                                                                                                      5        Press SPEED to accept number                1 1I
                                                                                                                                                                             - - -
                                                                                                                      6        Press TRIP or RESET to select second        12__
                                                                                                                               number
                                                                                                                      7        Press SPEED to accept number                1 2'-`-
                                                                                                                      8        Press TRIP or RESET to select third         123-
                                                                                                                               number
                                                                                                                      9        Press SPEED to accept third number          1 2 3'-'
                                                                                                                          10   Press TRIP or RESET to select fourth        1234
                                                                                                                               number
                                                                                                                          11   Press SPEED to accept code                  `1234
            Should a CODE Locked instrument be removed from the system, it will
                                                                                                                          12 Press SPEED                                   `S
            not operate until the correct four digit security number is entered or
            received.                                                                                                     13    To exit CODELOCK, press DEPTH and          Normal operation, eg.
                                                                                                                                SPEED together for 2 seconds               speed and depth
            If your selected master instrument fails for any reason, the security code                                                                                     displavs
            number can be entered via another ST50 Plus instrument in the system.
            However, until another instrument is set as a master or the existing
                                                                                                                      Note: If you wish to cancel the code or change the number, simply re
            master is replaced, the security code will have to be entered every time
                                                                                                                      enter and accept the current number.
            the system is switched on.
                                                                                                                      Your Code Number
            Note: A warning sticker is provided with each instrument. If you have set
            `CODE Lock, position this warning sticker in a prominent location to deter                                For future reference, enter your chosen code number into the following
            potential thieves.                                                                                        box.

Setting Up the Security Code                                                              i
            When the ST50 Plus Tridata is switched-on for the first time the security
            feature is set to off. To turn the `CODE Lock' feature on, proceed as                                         For obvious reasons, please store this handbook in a safe place.
            follows:
                                                                                                                          Operation
                                                                                                                          Once only `CODE Lock' entry is invisible once it has been set.
      ST50 Plus Ttidata    and Repeater Operation and Installation Handbook        Chapter 6: Calibration                                                                                 25




8n Fewer-tip                                                                       Chapter 6: Calibration
      Action                                      Display Shows                                             As it leaves the factory the ST50 Plus Tridata is set to display speed in knots,
1     Press and DEPTH and SPEED together          CAL after 2 seconds and      *                            distance in Nm and depth units in feet. These settings, together and other
      for 4 seconds                               CAL and software                                          navigational features, can be changed (e.g., feet to metres) as described in this
                                                  number after 4 seconds                                    Section.
2     Press DEPTH twice                           CAL CODE OFF                 c
3     Press SPEED                                 - - - -
4     Press TRIP or RESET to select first         1 - - -
      number
5     Press SPEED t o accept number               11I
                                                   - - -
6     Press TRIP or RESET to select second        12 __
      number
7     Press SPEED to accept number                1 2'-`-
8     Press TRIP or RESET to select third         123-
      number
9     Press SPEED to accept third number          123' '
10    Press TRIP or RESET to select fourth        1 23 4
      number
12    Press SPEED to accept code                  `1234
13 Press SPEED                                    `S'

14 Press SPEED                                    CAL CODE SET
15    To exit CODELOCK, press DEPTH and           Normal operation, eg.
      SPEED together for 2 seconds                speed and depth
                                                  displays
                                                                       T1291
Note: lf you wish to cancel the code or change the number, simply re
enter and accept the current number.
Your Code Number
For future reference, enter your chosen code number into the box below.




For obvious reasons, please store this handbook in a safe place.
Operation
When the unit is powered on you are prompted to enter the code number.
To enter the number, carry out actions 3 to 12 above and press SPEED.
S T 5 0 plus T r i d a t a a n d R e p e a t e r O p e r a t i o n a n d I n s t a l l a t i o n H a n d b o o k   Chapter 6: Calibration                                                                            27




                                                                                                                               Initial Calibration Notes
                                                                                                                                            UIlik
                                                                                                                                            Press RESET to toggle the depth units between feet and metres.
                                                                                                                                            Shallow Alarm
                                                                                                                                            Use the TRIP or RESET keys to set the required shallow depth alarm.
                                                                                                                                            Deep/Alarm
                                                                                                                                            Press the TRIP or RESET keys to set the required deep alarm.
                                                                                                                                            Note:The shallow and deep alarms are enabled by pressing the SPEED key.
                                                                                                                                            offset
                                                                                                                                            The offset, keel or waterline, is set using the TRIP or RESET keys.
                                                                                                                                            Negative figure = keel off set
                                                                                                                                            Posiie figure = waterline off set


                  0DEPTH


                                                 \
                                                                                                                                            Countdown AlarmStatus
                                                                                                                                            The countdown alarms can be turned on or off using the RESET key:
                                                                                                                                            El = Alarm on (enabled)
                      t
                   UNITS
                                                                                                                                            EO = Alarm off (disabled)
                                                                                                                                            Log Calibration
                                                                                                                                            Refer to section 6.2 for complete details on setting log calibration.
                                                                                                                                      `\b
                                                                                                                                            Exit Initial Calibration
                                                                                                                                            To exit initial calibration and store the new settings, press DEPTH and SPEED
                                                                                                                                            together for 2 seconds.




               DEEP ALARM




                   OFFSET
                          S T ' 5 0 plus T r i d a t a a n d R e p e a t e r O p e r a t i o n a n d I n s t a l l a t i o n H a n d b o o k       Chanter 6: Calibration




I Log Calibration
                The ST50 Plus Tridata should not be used for navigational purposes until the
                speed transducer paddlewheel has been calibrated to the vessel. This is a                                                      *
                simple operation that can be carried out automatically over a measured
                distance or by manually entering a calibration factor.
                                                                                                                                               i
      Automatic Calibration
                    Automatic calibration should be carried out when tidal flow is at a minimum.
                    Locate an easily identified, marked and measured distance on a chart and
                    enter this distance into the instrument (4).
                    Note:The measured distance should, ideally, be between 1 and 2.5
                    Nm/Miles
                    Proceed from object 1 to object 2 (measured distance), pressing the SPEED
                    key at the start and finish of the run (5 and 6). The calibration factor is
                    calculated and displayed atthe end of each run (7).
                    Repeat the run over the measured distance intfre opposite direction. Once
                                                                                                                                                                                           cl
                                                                                                                                                                                           QSPEED



                    again the calibration factor will be displayed. This represents the average
                    for the two runs. A further two runs can be made if required. Don't forget
                    to store the log calibration factor.
                    Note:The log calibration range is from 0.25 to 2.00. Calibration factors
                    outside of this range cannot be stored.                                                                                                                         4
                                                                                                                                                                                         LOG DISTANCE




                                                                                                                                                                                    5
                                                                                                                                                                                           RUN START




                                                                                                                                                                                     6
                                                                                                                                                                                            RUN END

                                                                                                                                                                                                I
                                                                                                                                                                                     7    CALIBRATION
                                                                                                                                                                                            FACTOR

                                                                                                                                                                                                I



                                                                                                                                                                            Note: Once you have completed the runs, store the calculated calibration
                                                                                                                                                                            factor by pressing DEPTH and SPEED together until the displays returns to
                                                                                                                                                                            normal mode (approximately 2 seconds).
     ST60 Pius Tridata and Repeater Operation and installation Handbook           Chapter 6: Calibration




The following calculation must be used when carrying out Manual Log
Calibration:
FKorrection Factor) = Known Distance/Vleasured        Distance
The Known distance is the distance between two charted objects (e.g., two
buoys).
The Measured distance isthe distance recorded by the speed instrument,
allowing for tidal flow.




                                                                                                                     COUNTDOWN ALARM
1"     1   A p p r o x i m a t e l y      1Nm Of2 w9sl


To obtain the correction factor (R proceed from object 1 to object 2 and then
object2 to object 1. The measured distance in each case must be noted,
added together, and then divided by 2 to obtain the average distance.
To obtain the correction factor, divide the known distance by the average
distance. Once the correction factor has been calculated it can be entered into
the instrument as described in the flowchart on the following page. Do not
forgetto store the correction factor.
No&The log calibration range is from 0.25 to 2.00. Calibration factors
outside of this range cannot be stored.




                                                                                                           Note:The correction factor must be saved once it has been entered. This is
                                                                                                           achieved by pressing DEPTH and SPEED together until the display returns to
                                                                                                           its normal mode (approximately 2 seconds).
       ST50 Plus Tridata and Repeater Operation and Installation Handbook         Chapter 6: Calibration




                                                                                              Intermediate Calibration Notes
                                                                                                           Master/Repeater Seletion
                                                                                                           The ST50 Plus Tridata is factory set as a master unit-normally connected to
                                                                                                           speed and depthtransducers. ltcan, however, be set to repeat speed and
                                                                                                           depth related information received via the SeaTalk bus:
                                                                                                           0 = master mode
                                                                                                           1 = repeater mode
                                                                                                           The following functions arenot available when set to repeater mode:
                                                                                                           l   Log calibration
                                                                                                           l   Trip distance reset
                                                                                                           l   Average speed reset
                                                                                                           Security Code
                                     \
                    1,
                                                                                                           Full details on the `CODE Lock security feature are given in Chapter 5.
                 SOWARE
                  VERSION




                 SECURITY

                     1               J
l   To exit intermediate calibration and store the new settings, press SPEED
    and TRIP for 2 seconds.
Note: Except for the countdown alarm status display, initial calibration cannot
be accessed when the unit is configured as a repeater.
ST50 Plus Tridata   and Repeater Operation and Installation Handbook
                                                                       Chapter 6: Calibration




                                                                                   Extended Calibration Notes
                                                                                                All of the extended calibration screens are adjusted usingtJ-reTRlP and/or
                                                                                                RESET keys.
                                                                                                Calibration
                                                                                                Calibration allows you to protect your selected settings against accidental
                                                                                                change. When lock is enabled the initial and intermediate calibration settings
                                                                                                cannot be mod&d.
                                                                                                Cl = Calibration unlocked, i.e. normal access
                                                                                                CO = Calibration locked, i.e. no access
                                                                                                Once locked, calibration can be unlocked by entering extended calibration and
                                                                                                selecting calibration unlocked.
                                                                                                Speed and Depth Damping
                                                                                                Damping adjusts the rate atwhichthese displays are updated. The damping
                                                                                                range is 1 to 15 seconds, withthefactory default set at4 seconds.
                                                                                                 Depth damping is displayed as `F' and speed damping as `A'.
                                                                                                caution:
                                                                                                The `Boat Show' mode is a dealer demonstration program only. Under
                                                                                                no circumstances mustihis program be engaged when Ihis unit is
                                                                                                installed on-board your vessel. The display must, therefore, be left
                                                                                                settoO'w.



        SPEED DAMPING




     r-tl
        DEPTH DAMPING




           0DEPTH




                              I  NOT TO BE USED.
                                 FOR DbtER DEMONSTRATION
                              . PURPOSES ONLY.



           0MPTH
ST50 Plus Tridata and Repeater Operation and Installation Handbook   Chapter 7: Connection to other Marine Equipment




                                                                     Chapter 7: Connection to other Marine Equipment
                                                                                            The ST50 Plus Tridata can only be connected to other SeaTalk products.
                                                                                            However, the ST50 PIusTridata Repeater can communicatewith other
                                                                                            onboard marine electronic equipment, using the NMEA0183 protocol.
                                                                                            A lm (3ftl NM!4 interface cable is supplied with every repeater unit. The red
                                                                                            wire should be connected to the signal input. Up to two NMEA0183
                                                                                            receivers may be connected to each repeater with NMEAoutput.

                                                                                                 RED (Signal) 2




                                                                                                  i-`-
                                                                                                 BLUE (Ground)


                                                                                             The ST50 Plus Tridata Repeater has an NMEA0183 data output connector.
                                                                                             The following information will be transmitted every 1 to 2 seconds if it is
                                                                                             available on the SeaTalk bus.

                                                                                              Sentence Content                             Instrument Required

                                                                                              VWR         Apparent Wind Speed (Knots)      ST50 Plus Wind
                                                                                                          & direction
                                                                                              DBT         Depth of Water below the         ST50 Plus Depth or Tridata
                                                                                                          Transducer (Feet)
                                                                                              HDM          Magrxtic Heading                ST50 Plus Steering Compass
                                                                                              HSC          Locked Magnetic Heading         SeaTalk Autopilot (Lock
                                                                                                                                           Model
                                                                                              VHW         Water Speed (KNots)               ST50 Plus Speed or Tridata
                                                                                              MTW         Water Temperature 1Deg.C)         ST50 Plus Speed or Tridata
                                                                                              VTG          Course & Speed over Ground       Navigation Receiver
                                                                                              GLL          Latitude & Longitude             Navigation Receiver
                                                                                              BWC          Bearing & Distance to            Navigation Receiver
                                                                                                           Wavpoint
Chapter 8: General Specification




Chapter 8: General Specification
                        Dimensions:                110x110mm(4.33x4.33in)
                        Power supply:              lOtol6V
                        Power consumption:         50ma (normal) lOOma (illumination on)
                        Temperature range:         Oto70deg.C
                        Speed through water:       0 to 99.9 Kts
                        Trip distance:             0 to 999 Nm
                        Log:                       0 to 9999.9 Nm
                        Average speed:             Oto99.9Kts
                        Maximum speed:             0 to 99.9 Kts
                        SeaTemperature:            -10t0+40"c(14t0104"F)
                        Units:                     Software programmable
                        Repeater capability:       Software programmable
                        Illumination:              3 levels plus off
                         Manual log calibration:   0.25 to 2.00 (correction factor)
                        Transducer speed range:    0.8 to 40 Knots
                         Depth range:              Oto6OOft.(Oto180m)
                         Shallow alarm:            3to33ftU tol0m)
                         Deep alarm:               lOto4OOfU3to 120m)
                         Minimum depth:            Reset on power up


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