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Datamarine Link5000


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Table of Contents                 Notice                                                     Introduction                             nect to the transducers and 12 volt                                                                                                                                       power The transducer information isIntroduction                      Modern navigation electronics are                           Datamarine is pleased you have           converted by the main unit to Link                                  remarkably accurate and                                   free Nevertheless information from                       chosen the Link 5000 System for          format and is transmitted on the LinkSystem 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 aInstallation                      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 orOperation                          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 Warranty Information                                                                                              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                25 feet  399 feet or equivalent in                                                                                            3       TOrealize the full potential of                                                                                              your Link instruments please take a                                                                                                                                         meters or fathoms selectable by                                                                                                                                          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                                                                                                                                         alarm                                                                                              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     000 to 350 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       VMG                                                                                              ferent Link instruments This makes        upwind or downwind                                                                                              the system flexible and expandable       Logs                                                                                                    The Main Unit either the          a 000 to 2000 miles resettable                                                                                              5000 or 5100 serves as the trans         b 00 to 10000 miles accumulating                                                                                              ducer interface point Connections        Timer count up to 20 hours                                   All rights reseedNo part of this work                    are made here to the wind speed          00OO to 1959 MinSec                                   covered by the copyrights hereon may be                    and depth transducers as well as           0020 to 1959 HrsMin                                   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                                                                                             i                                                                                            12                                                                                                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     Inc                                                                                              contain at least one of these to con      speed displayWind Functions Apparent wind speed and angle                                       Model 5000 Standard Main Unit                                        Specifications identical to 5100                                                                                           System True wind speed and angle              main unit without LCD display                     Configuration Four levels of damping to smooth      00 to 10000 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                              25 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 theLoran Functions                         network                                                                                         I Interfacesto LoranC receivers                                                                                                                                                                 SAT NAV         OUTPUT                                       Speed Functions                                                                      5 0 0 0 OR 5100  with the CDX output                                                                                                                                                       2 0 0 PPM                                        000 to 350 knots or 400 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                                                                                                Interfaces                                         VMG                                                                                                                                                                 DATA INPUT Depth  205Khz model DX111  nylon low profile                      upwind or downwind Speed  model SX115 nylon low       Timer 0 to 20 hours resettable                                         and independent of main unit                                            DEPTH  profile                                        Trip log to 2000 miles resettable                                                                                                                  XDCR Wind  model WX175 with 80 of                                                                                                   SPEED COMPASS   cable                  and independent of main unit                                                              XDCR   INPUT Compass  Optional model            4 position electronic damping  L500 Nl format                     Wind Functions                                                                                                                                     Figure I Compatible with existing              Analog display of apparent wind    transducers          analePower                                   i G t adisplay                                                   l      of apparent wind                 The 5000 or 5100 main unit acts            information Except for receiving its 1016VDC                               speed                                             as a signal conditioner for the speed       data from the main unit the remote   02 amp day                          Four position electronic damping                  depth wind and compass trans              works quite independently from the   04 amp night                       Power derived from Link network                  ducers and the loran data It con           main Among other things it calcu Reverse and overvoltage pro          01 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                                        02 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 twoLighting                                                                                   unit displays both primary data boat       can find a wide variety of different                                        Lighting 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 days run on the mainLink 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 crosstrack 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                                                                                   To recess                                                                                                                           the 5000151 00 it is first necessary                            Main Unit Mounting  The Link                                                                  to attach the flush mounting                            5000 and 5100 are designed tobe                                                               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                                                                                                                   I                                                                                                                           securely clamp the brackets in                                                                                                                   I       place Torque the screws lightly to                                                                                                                           just mate the bezel brackets and                                                                                                                   I       housing                                                                                                                   1       bulkhead                                                                                                                                 Cut aorhole                                                                                                                                          panel                                                                                                                                             in the                                                                                                                                                 using                                                                                                                                                     desired                                                                                                                                                       the tem                                                                                                                           plate provided Be sure that there                                                                                                                           is sufficient depth behind the                                                                                                                   I                                                                                                                       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                                                                                                                           orovidedFigure 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 UV 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                                                                                                                                                        L312                               very well protected against               ventilation                                                                                                                                                                  LY 1 0                                                                                                                               L313                                                                                                                  half and the plate Only turn the       I        Main Unit Wiring                            Remote Alarm     The depth                                                                                                                                                                 remote alarm terminals are avail                                                                   screws                                                                            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                     Datamarines A1 57 alarm                                                                   angle desired See Figure 5                        speed cables are simple plug on           panel would be a good choice if aII                                                                          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                                                                                                           I                                                                    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 beII                             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 secI                             bracket may L339 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  TheI                                                                                                                                                                made with the BNC connectorI                                                                                                                       compass input is N1  Format           cable supplied If possible check                                                                                                                       The model L500 Link compass              this cable with an ohmmeter                                                                                                                       sensor is connected with the red    1    I                                                                                                                       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    11    I                                                                                                                        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    1                                                                                                                        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 Datamarines 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         I                                                                                                               u                                                                                                                     with the red wire to loran  and                                                                                                                       the black wire to loran I                                                                                                                             Again labeling these similar                                                                                                                                                                       The 12 volt dc 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                                                                                                                                                       transducers                             NOTE Obtain the 12 volt dc    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 owners 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                                                                                                         1                                                                                                         I                                                                                                                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                                                                                                         I                                                                                                        II                                                                                                                Never strike the transducer face a                                                                                                                sharp blow as damage to the                                                                                                                transducer andor depth sounder                                                                                                                could result                                                                                                                   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                                                               are needed to avoid                                                                                                   Q       6                                                                                                            Lransducers 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 boats 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 23 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 DX111          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 trans2I L                  5000                                     ducer should not be the lowest                                                                                     point in the event the vessel runs                                                                  aground                                P q61                    BEST LOCATION                                                                                                             3                                                                                                             Q9                                                                                                                                                                                                                                                          CROSS SECTION OF             HULL                                                                                                                                                                           STRAKES ti AIR SLOT                Sometimes when first launched         required High quality conventional              Flush Mount Transducerthe transducer face will not be fully        paint will work well                       Installation  DX111 112 130 wetted due to paint film oily surface            Datamarine ships the flush             For the installation of the flushor a microscopic film of air The            mounting DX111 transducer with             mounted transducers the  will miss continuously until         the 5000 It is an excellent trans         should be chosen such that thethe boat has run a short distance           ducer which is compatible with most         deadrise angle is minimum see Fig      AntiFouling Paint  We                installation requirements However         ure 1O normally amidships at maxrecommend a single thin coat of             other transducers are available and         imum  paint on the transducer         might be preferred in someface to prevent fouling It should be        situations                                       If the deadrise angle is  each time the boat bottom                                                       than 15 degrees the depthsounderis painted First gently sand off any         DX112  Similar to DX111               will not operate to full depth when previous paint such that only one               except bronze construction             the yacht is heeled down on thefresh coat is on the transducer face                                                    opposite side In such cases two Paint buildup will reduce perfor             DX130  Similar to DX112               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 A106 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 21 I 16 in diameter         The DX130 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 12 plywood be      cia1 tool for this countersinking oper                                                             ross sectton of hull                                                                                                    8                                                                                                                                                                                                drilled 21 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 DX130 be                                                                                         pliant interface to accommodate                                                                                          variations in the hull inner surface                                                                                                                                    properly backed up with a rigid rein                                                                                                                                   forcing plate See Figure I   ICut                                                                                                                                                                                    Fgure                                                                                                                                                                                         I I                                         thru hull fittlng                                                                                     IFigure 8                                                                             1                                                                                                                                                                                                                                                       plywood backing block                                                                                    i Figure 9            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                      DX200  Proper mounting of the                       ing the general engine area On a            ing plate while preserving the outer      degrees of vertical                              DX200 transducer is extremely                        twin engine  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                      suctiontype selfbailers            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            21 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 jackout stresses on the                Recessed Mounting  On            reinforcement                            some boats a recessed mounting                  Faired Transducer Installation       may be preferred for low drag and             DX1 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                                                      degrees                                                                                                0               where deadrise angles exceed                                                       I               10 See Figure 12                                                                                                                                                       section thru                                                                                                                                                       ull centerline                                                                                                                                                        side viewFiaure 12                                                                                                                 eimxy   1                                                                                                             fairing filler                                                                                                                              1transducer recessed                                                                                                                                                                                              f o r e l a f t view                                                                                                                              in counterbored cavity                                                                                                                                                                                                                     Figure 15                                                                                                                                                                                                                                                                                                                                                                                                                       E                                                                                                                                                CABLE TO DISPLAY                                        30rnax                                   deadrise angle                                                                                                                                                        TRANSDUCER ASSEMB                                              t                    F R O M VlEW                                                                FRONT ViEW                                                                                                                                                                      on                                                                                                                                              1 AL                                                                                                                                                                 t     2 D         l                                                                                                                                                                                       PRESSURE ANGLE                                                                                                                                     ANGLE                                                                                                      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 unaeratedwater 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 thruhull 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                                                                                              A1 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                                                                                       1                                         imum resistance an open circuit           I      extenders to be strung                                                                                                                                       involved                                         Anything less than that suggests                    endtoendDepth Transducer                         water damage Again a check of the                       However the instrument will               General Considerations                                                                                                                                               CAUTION  A bronze trans                                                                                              have to be modified to provide                           cabling and connector may locate                                         the problem If it doesnt and the           I      the extra cable capacitance             ducer must not be installed directly                                                                                                                                       onto a steel or aluminum hull SpeVisually checking the transducer         resistance remains consider the                                                                                                                                       cial precautions are needed to avoidcable and connector may not be           transducer defective and in need of           1                                  Figure 7 6                                                                                                                                       damage due to electrolysis of disenough to determine the trans             quality One convincing                Transducer Cabling  The                                          Link depthsounder uses tranducers                                                                                   1I3                                                                                  0                                                                                                                                       similar metals Please request tech                                                                                                                                       nical bulletin 10 from  of determining a transduc                                                                                                      for detailsers quality is to hang a second          supplied by Datamarine They have          1                                                                                                                                              A hull moving through water willtransducer over the edge and see if       a standard 30 of cable which should                                                                                                                                       create a boundary layer of waterthe depthsounders performance            not be shortened Lengthing is                                                                                                                                       immediately adjacent to the hullimproves If the performance              covered in the next section                                                                which is not still water but is movingimproves consider the results of this         Other Transducers  Other                                                               along with the hull because of frictest to indicate that the solution to    transducers in the 205  210 Khz                                                                                                                                       tional drag For this reason it isyour problem is transducer related       range may work with the Link depth                                                                                                                                       inaccurate to put a tiny paddle wheelMarine growth excess bottom paint        sounder Datamarine cannot be held                                                                                                                                       impeller a short distance through theor water flow may be the reasons for      responsible for performance or satis                                                        hull at any location and expect tothe apparent failure A visual inspec   factory operation of your instrument                                                          measure the exact speed of the hulltion of the transducer face and the       when other transducers are used                                                             through the water One must  hull area may reveal the      and we offer no guarantee of                 I                                                                                                    Remove the rear panel 4           with the boundary layer of movingsource 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 definedany physical andor 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                                                                                        I                                                                                              the top circuit board See Figure 16    research tells us that the boundary                                                                                       P                                                                                              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           ie 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 Naturallyhull shape and steps or strakes are                 Naturally you should be able tocontributors to flow         0bsee      the installed thruhull fitting                                                               RECOMMENDED LOCATION                                                                                                                                                   Ibut generally flow aft of midships is       and prudence dictates that it should                                                                         either side                                                                                                                                                        a Approximately 3 aftunreliable for speed measuring               be regularly inspected along with all                                                                         close lo centerline                                             the other thruhull fittings installed in                                                                  b Forward of keelpurposes                                                                                                                                               c Retaining pin aligned       On fast deepvee planing hulls     your yachtthe forward vee sections push water                 It is a good idea to tie theaside and the resultant flow is not          dummy plug onto the  indicative of the forward prog        with a short lanyard Whenever theress of the hull through the water          transducer is removed for inspectionThus the recommended transducer             or cleaning the dummy plug will belocation for heavy planing hulls isdif     immediately at hand No need toferent than that for displacement            search through lockers or drawershulls                                              Mounting        Surface conditions of the hull         Select a location as far forwardwill modify boundary layer effects          and as deep as you can which                                                                           BEST                                                                                                                                                                                   shapeThis is difficult to measure exactly               Keeps the transducer submerged                                                                   we can predict that a mid          during all normal boat attitudes andships 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 Hullsthe hull is badly fouled or rough as         from within the yacht See Figure 17compared to the original calibration         or 18                                        QfJwith 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 SX115 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       SX115                                                                       struts  props interest                                    Fiberglass reinforced nylon flange                                     7       Accessibility  Accessibility is       projects only 3 a major consideration in selecting a         SX125 hull location for the transducer This       Bronze version of SX115 is vitally important Be certain to          SX135 select a location which allows free          Flush version of SX125 for counter access to the transducer from within        sunk hole installation the yacht From time to time you           sx201 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                                                                                                                                                             AREA                                                                                                                                                                                            AFT OF ENTERING                                                                                                                                                                                             BOW SECTIONS 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 for pumping                                                                                                 p                                                                                                 i                                                                                                        18  Speed Transducer Recommendation  Planing Hulls                                                                                                                                   Installing the Transom Mount                                          Installation of the ThruHull             Now permanently install the              Transducer  If your unit is a tran                                   Fitting To install the thruhull fit    thruhull 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 SX201 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 boatI                                   done from inside to ensure accessi       retaining pin are pointed fore and aft  4      should be used to locate the besti                                  bility Next using a hole saw make      Tighten the nut firmly from the inside                                                                                                                      1                                                                                                                             mounting position on the transom                                   a hole 21 in diameter using the       of the yacht Do not overtighten Do           Some general  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                                   thruhull fitting should fit snugly       thruhull                               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                                                                                                                            selftapping screws provided in the                                                                                                                             hardware kit Use a small amount of                                   of 38 or M plywood be drilled 2lAs   assembly into the thruhull 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 SX201 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 SX201                                       pliant interface to accommodate                                   variations in hull inner surface see                                                                             place Be sure the arrow on the                                                                             impeller assembly is pointed forward                                                                                                                      i                                                                                                                            transducer tilt the unit downward                                                                                                                             approximately 2 figure 22                                                                                                                                                                             LOCATE SUCH THAT TRANSDUCER                                   Figure 19                               The Orings 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 Orings 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 A120 TRANSDUCER                                            Next the 30 long coaxial cable          som Drill a 716u 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              ORING SEALS            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                                                                              heeled                                        boat                                                                                    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          OF HULL                                                                              designed to operate with any trans            Figure 20                                                                              ducer except the one supplied for it        THRUHULL FITTING                                                     by Datamarine Any attempt to mate               SX201                                                                              or calibrate to any other type of                                                                              transducer is at the owners risk                                                                                    Note For cored hulls balsa        SX115 SX125                                                        foam and the SX135 countersink                                                                              thru hull fitting follow the hull rein                                                                              forcement and mounting instructions                                                                              for the OX130 depth transducer                                                                                                                               alte   a   LID                                                                                                                                                             ae                                                                                                                                                                 DDlCLE 0                                                                                      ISpeed Transducer Maintenance              final positioning It is a good idea to     I                4           Black                       To complete the  transducer parts are susceptible      use a thread locking screw sealant          I                 5          Blue                  connect the cable from the junctionto fouling by marine growth or            such as Loctite on all masthead                               6          Yellow                box to the main unit  as is any other under          connections Its surprising how             I                7          Shield                      NOTE Make sure all wireswater part of your boat We have          much vibration occurs on the mast                             8          Not Connected         including the shield are  a coat of antifouling paint to   truck                                                    The masthead boom rotating          in the junction box This will assureyour impeller assembly This first              The Link 5000 main unit may                  cups and wind vane is designed to          proper operation of your Link mastcoat should last the first season in      be field adjusted to compensate for                mount in the masthead mounting              head unitmost 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  and its cavity with fresh        ing bracket should be mounted                      firmly over the rear alignment pin          unit to the main unitwater under pressure whenever the         horizontally shim as needed as                   see Figure 23 At this point theboat is hauled and renew the anti        close to the top of the mast as pos               boom retaining pin should be                                                                    Figure 23fouling 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 endparts for the impeller as follows        of a mast if this is needed                                                                            INSTAWTION of                                                                                             of the wind sensor housing when the SX120  complete impeller                    The remaining section of the           I                                                                                             boom is mounted   assembly P121  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 P122  retaining pin only P123  Oring 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 A1 03  retaining pin and              trimmed if necessary                            the connection The cable is   Orings 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 halMounting the                              spar Some spars have an extruded                  yards blocks etc                                                                                                                                                                    27max                                                                                                                                                                    overall                                                     track or cable raceway which preWind Sensor                                                                                         The masthead installation isMasthead Bracket                                          vents the noise Sometimes small                                          sailslide lugs can be found to travel        1     now complete and ready for                                                                                             operationand 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 endsPrior to stepping the mast lay out                                                    i                                           resort the cable can be pulled into              of the wire into it Generally there isthe cable and masthead mounting                                          the spar while a helper goops the                  a good location on a bulkhead upbracket to determine the length of                                           cable with silicone caulk When the         I1Ithe cable needed Cable length                                                               high clear of any possible bilgeshould allow for running to a con         cable is pulled into place the silicone          water Protect the cable going to andvenient dry location for the junction    will bond the cable to the spar with               from the junction box from accidenbox 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 termlnalthe necessary cable length isdetermined it should be cut and feddown 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 onmounted 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 fitand the rear alignment pin line up                                                                                                                                                    JUNCTION BOX DETAIL                                          120 cable Model WC177 is also                  ting and use the junction box or canwith the forelaft axis of the boat the                                          available                                          use a waterproof connector availgrommeted hole being forward Amounting template is provided in the               Pin          Color                        able from Datamarine at the base of                                                                                                                                                                                 CABLE TO INSTRUMENT                                                                                                                                                                                                       dback of this manual The bracket                     1          White                        the mastmay be moved slightly within the                     2           Redconfines of the adjustment slot for                  3           Green                                                                                          I      Masthead Repairs and                      To install a new wind cupReplacement  Damaged wind               assembly line up the set screw with             I                                   Compasscups or direction vanes may besimply 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 itemsreturning the masthead assembly to       shaft is flush with the bottom of the                    should be checked before returning         Shipped with your                               wind cup hub see Figure 25                            the wind instrument to the factory        Datamarine L500 compass sen      Both the wind cups and the         Tighten the set screw securely                           Check the mast step junction box                                                                                                                                             sor is the instruction manual withwind vane may be removed by              Please note Individual wind cups                            or connector for correct wiring     detailed installation instructions forloosening the small set screw in the     are not replaceablethe whole three                       Check polarity of power connec                                                                                                                                             this sensor Please contact ourside of each assembly and sliding        cup assembly must be changed                                tion at the main unit                 LINK System Service Departmentthe cups or vane off of the shaft              After changing the cups or the                     With the masthead unit connected         for information on installing otherLoosen only the lower of the two set     vane the masthead unit should be                            and the main unit power discon        compass sensorsscrews 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 anfollowing 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                                                                                                      box                                                                                                                                             Input 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 crosstrack error and Tighten set screw                                                                                  tem will not work One should try       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                                                                                                      occurs                                                                                                                                             the Datamarine Navigator LC                                                                                                                                             LORAN as well as many other high                                                                            Fiaure 25                       The masthead unit would          quality Loran viewers Please refer to                                                                                                                               26                                                                                                       appear as shown in Fiaure             the owners manual for vour receiver                                                                                                      to a DC meter                       for installation instructions                                                                                                                                                                                                           Figure 26                                                                      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 onuntil shaft is                                          flush with bottom550 Remote                                                                                   The 550 is nearly non                                                                                       magnetic so you dont have to                                                                                                                                          Figure 27Installation                                                                           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                                                                                       standing                                                                               1                                                                                             First remove the guard by                                                                                       unscrewing the two bolts at the                                                                                       deck sockets Pull the guard up                                                                                       and off the upper pedestal                                                                                       brackets                                                                                             Slide the mounting brackets                                                                                       over the guard base with the cor                                                                                       rect orientation for your type of                                                                                       guard                                                                                             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                                                                               IThe 550 remote instrument can be        simple installation Also havingmounted in a variety of different       the instrument at the wheel is theways Its waterproof housing elimi     most visible and convenient locanates the need for additional instru   tion for the helmsmanment pods or installation hardware           First ensure that the pedestal      In choosing a location consider   guard is tall enough to  and convenience Is the      date the 550 without  within easy arms reach        with the compass The verticalCan the displays be seen by every      location of the 550 should leave aone in the cockpit An aft wheel        proper handhold in the top of thelocation will make it hard for crew     guard If the pedestal guard is toomembers to use the display informa     short longer pedestal guards cantion Will a bulkhead or bridge deck    be obtained from the  instrument be visible to the    manufacturer  with crew and guests in         Datamarine can supply a pedestalthe cockpit                             guard extension kit Model L341         1                                        which attaches to the base of the Pedestal Guard Mount  The   550 is perfect for pedestal mount   ing Its designed to accommodate                                        existing guard and raises up the                                        top of the guard a sufficient                                                                                   I   nearly all pedestal guards for a      amount to accept the 550                                                                                                                              Figure 28connector as the cable can be                 It is also possible on some                 Overhead Mount  If an over           kit L342 may be ordered Removecut for a connection point below        steering systems to run the Link                   head mount is desired the rear         the rear cover as just describedthe deck in a dry location Con        cable through the pedestal itself                 panel of the 550 can be rotated        but leave the buzzer in place Disnectors are provided in the instal     An entry hole is often provided to                 180 to slant the front surface        connect the connector from thelation kit Although the Link cable     pass the cable through or one                     down towards the operator see         circuit board Install the oringis 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 bracketcoaxial connectors at this point       cable does not interfere with the            f     eight screws from the rear panel       groove and place the bracketThe simple connectors provided          moving steering components or                      and open the instrumentThe            oring up over the skirt on thewill be totally adequate and aremuch 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 overstandard 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 togetherbe strung through the pedestal               The BNC connector used on                     white connector next to the            turn it over so that the rear panelguard Reinstall the pedestal           the remote cable is fitted with a                  installed buzzer It will be neces    faces up Replace the 8 screwsguard with the brackets installed      weatherproof boot which should                     sary to drill the rear panel to pass   and their sealing washers andAttach the 550 instrument with the      make this connection point very                    the cable through for the remote       evenly and lightly torque thefour 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 surfaceferent 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                                                                                                                                  provided                                        accidental damage                                        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 L345 to allow a hidden coax                                        cable  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                                                                                                                                               alarm                                                                                                                                                                         Figure 30                                                                                                                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 vessels    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                                                                                                        i                       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 25 and 400 feet 120          I                                                                                                                depth   performance                                                                                                                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 theDEPTH HEADING                                                          Alarm  39 position alarm                    The sounder is calibrated for      alarm settings                                                                                                                a sound velocity of 4800 feetlseALARM A                                                          settable in ftfmmeters                                                                                                                cond a US standard of                                                                       Keel Offset   FAULT                                                       is provided to allow depth read                                                                             ings to be displayed and meas                       The accuracy of the depth                                                                                                                                                              These upldown controls areSPEED                                  REL ANGLE                 ured from the waterline or the                  measurement circuitry of the           used to adjust the alarm thresholdLOG VMG      AVERAGE              MILES DIRECTION                lowest part of the keel                        depthsounder is within plusminus                                                                                                                 05 over a temperature range of       Pushing the lrbutton 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 dc This corresponds to     pushes will then advance the                             Next for a few seconds the                                                         plusminus 05 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                                                                                                            I                                                                                                                m                                       alarm settings When the button is                                                                                                                                                        released the last displayed value                                                                                                            i                       about your system The remote             of the Datamarine Link depth                         This button selects which        will be stored as the alarm limit If                                                                                                            I                       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 units                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 25 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 15              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 vessels keel alarm but when the boat returns            keel offset control see Depth                  Depth Offset and adjust the                        A reading of 0 indicatesto 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 thatwhile entering a harbor the alarm                                                           below the keel you must also                  will be added to or subtracted                                                   Should the operating condiwill sound If adequate water depth                                                          know the exact draft of your ves              from if  the depth from the                                            tions be such that the frequencyfor the boats draft is assured you         of false alarms becomes a nui                  sel Subtract the draft from the               transducercan mute the alarm by pushing                                                                measured depth and adjust the                                             sance the alarm may be disabled                                                              Shallow Gain Control and Adjusteither button          When you leavethe shallow harbor and the depthgoes over the 10 setpoint the                                             by selecting the OFF position                                            l See shallow i l                                             in the following section                                                                               a                                                                                                   OFFSE3                                                                                              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 Removingalarm will sound again anytime                     The depth alarm setting will             Offset Display  Holding                                                                                                                                           the pluq will expose a smallthe depth gets less than 10 feet            stay the same numerical value                   the            button then pushing the         screwdriver slot to be used toWhenever the depth is less than             when the units are switched from                                                                adjust the control                                            feet to fathoms or meters For                   mon            will display the keelthe setpoint even if the buzzer is muted the ALARM symbol in               example if the alarm is set to 10               offset amount on the LCD displaythe display will continue to flash         while in the feet mode and thenindicating that caution is in order        the display is converted to       Incidentally this mute func      fathoms the alarm setpoint willtion will also turn off the alarm at         become 10 fathoms 60 feet Bethe 550 cockpit remote even if the         aware of this as you could have acockpit alarm threshold is different        false sense of security afterthan the main units This remote           changing units Remember tocontrol function saves running up           reset the alarm whenever the                                                                                         Depth             Offsetand down the companionway                  units calibration is changed                                                                                      Reading           Reading       Of course the depth alarm           Depth Offset  This front panelmay 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 indicatethan the current depth or to the            depth below surface or depth                                                                                                                                     1                    below transducerOFF position                              clearance below keel As shipped       Remember that the alarm              the 5000 was adjusted to  at the main unit can be set         the depth below the transducer Itto a different depth than the 550remotes setpoint This way thenavigator can use his  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                                                                                                                                                          below keel                                                                                                                                                                                   uhelmsman may have entered For              sel must be stationary over a flat      This adjustment is used toadjust the gain for the best com                                       Using Your                                      Depth Sounder                               procedure is to determine if the fault                                                                                                                                   is with the 5000 system or thepromise between wake rejection         Link Depth Sounder                                                            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 totion In general the gain should be                                       should be used to determine the                 should fail to operate properly the        Datamarine for service with a briefadjusted high enough to ensure                                                    t                                       amount of line required to anchor               following section provides some             description of the  sounding but not so high                                       properly Determine the depth of the             guidelines as an aid        Repairs should not be attempted byas to produce shallow readings                                       water correcting the displayed depth           to the owner and service technician         the owner as further damage maydue to wake Insufficient gain set                                                                                      if it indicates the depth below the             in isolating and correcting the prob       result and the warranty may betings may cause loss of echo                                       transducer or keel Add the height              lem The goal of the         voided See Section WarrantyFAULT 01 displayed andorerratic operation The shallow gain    from the water to the bow chock and                                                          is preset at the factory and   then multiply by 5 as a minimum 5l            OPERATIONAL PROBLEMSshould only need to be adjusted        scope Dont forget to allow for theunder 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 3241 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                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  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 Hullborne               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                                                                                                                                                                    Transducers Sections                                                                                                                                                                                                           I                                            units which may be connected toSpecial Note To                             that network The significant features               been calibrated for individual trans       Average speed is calculated as                                                                                                 ducer  Technicians                         of your new speedometer are                                             Speed Display speeds up to 35                                                                                                      Proper performance of the                                                                                                                                                               Total                                                                                                                                                                sinceDistance                                                                                                                                                                      Reset                                                                                                                                             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 averageAll Datarnarine digital depth sounders                                                           bration This will be discussed later            The distance and time basis for                                                speed since resetwere precisely tuned under labora                                                               in detail                                  average speed is different than for                                              Log Resettable LCD trip log up totory conditions All Datamarine sup                                                                  Aside from these considerations       displayed log and time For example                                                2000 miles mechanical total logplied transducers are tested to                                                                  performance should not be affected          log or time can be independently                                                up to 10000 milesensure operation with our sounders                                                               by the boats environment For              reset without affecting the average                                              Elapsed Time Resettable for dead                                                             speedas factory tuned Retuning cannot be            reckoning race starts etc                     example the Link knotmeter is  done when installed ona 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                                                                                                                                             tarily pushm                                                                                                                                             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             closuresmile 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                                                                                                                                             display                                                                                                                                                  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 41 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                        000  1999 in O1 increments our factory US and foreign distrib      Network Interface Provides speed                                                             and then the display automatically utors Service at the factory is free                                                           200  350 in 01 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 48  cise statement of installation factors         jitterfree 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 03 knots to over 35                                                                  mans 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 10000              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 boats          transducer inputs to the main unit interfaces with the Datamarine Link         impeller The knotmeters quartz                      average speed since last reset           operating Resolution is as follows network supplying information to           crystal time base and microprocessor                                                           0000 to 1999 in O1 increments anv number of speed speed                   guarantee accuracies for all func            i                                                                                              J                                                                                               9                                             200 to 350 in 01 increments       dependent or multifunction 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                                                                         r                                                                                                                                                      l                                                                                                                                                               The system is capable of measuring                                                                                                                         speed over 03 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 1OO The distance            your charted distance and measured                 VMG the VMG annunciator will be                         access to the Link knotmeters                  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  00OO to 1959            or subtract to give the effective value      Select a course of known distance                     VMG is defined as the compo                        Hours and minutes  0020 to 1959              Thus any navigation reckoning                  with markers that can accurately                nent of the boats speed that is                              When the Link knotmeter is in              requires that knowledge of the cur             be sighted A course of 05 to 20                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 000                on the front panel is used to adjust            current                els reflect averaging methods which                      MIN and SEC                                  the instruments 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                                                                                                                                                                         twoway 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 00OO                     boundary layer effects Fortunately            operating speed for the boat A                response you will observe when                           m                                                                         u                                                                                                                         the effect is proportional to speed so                                                                                                                         that a calibration at one speed is                                                                                                                                                                         twoway 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 1999 and in             placement hull should be calibrated                11 Calculate the calibration                                                                         tenths from 200 up to 1999 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          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 2000 miles the loa will                                                          SOG2  DISTANCE MILES                                                                         automtically   reset to 000     I A        YMG                4iO                       TO WINDWARD                       COS    60                                                 BOAT SPEED COS elT                                                                      I         To reset Log first push and                                                                  RUN TIME 2 SECONDS                                                                                                                                                                                                                                                                                                                                                                                                                           3                                                                                                                                                                                                                                                                                                                                                                                                                                        L                                                                                                                                                                     CALIBRATION SPEED                                                                                             push  The                640   5         32   KNOTS                                                                         hold then                                                                                                                                                                            SOG1  SOG2 1800                                                                         display                                                                                should  show   LOG 000                                                                         miles       If the distance used is in nautical   Knots  MPH Conversion  If you                      Guide  The                 Note that the instrument calimiles then the calibration speed will        calibrated the boat speed to display           Link knotmeter is not designed to          bration will be affected by progresbe 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 boundarythen the calibration speed will be in        boat speed and wind speed should               the ones supplied for it by Datama      layer will effectively increase andMPH                                         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 caliunits either in knots or mph should        curate if mixed units are used                will not work The unit is designed        brated The proper remedy is haulingbe kept the same as the units                       To convert to MPH an internal          and warranted for operation on 12          and cleaning of the boats hullchosen for wind speed or VMG and             jumper must be cut Remove the                volt battery systems only                        If the impeller and cable seemTRUE WIND will be incorrectly cal           four rear panel screws and open the                  Should your Link 5000 fail to        proper but the instrument does notculated See section entitled Knots        rear of the instrument Locate and             operate at all check power wiring        respond to the handturned impellerMPH 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 transpoint of sail or engine RPM to return        convert wind speed from knots to               numeric display should appear             ducer input jack Rapidly andto 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 pc board       than actual speed or display only         ial connector should cause thein the display                                     The LORAN crosstrack error       41 Adjust the front panel SPEED                                                      00 knots when underway the fol          speed display to read other than 00                                             and  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 solidstatetrol Clockwise rotation will increase        based on statute miles This willthe 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 nonfouled                  If the instrument does not                                              calculated functions VMG True                   undamaged freeturning condition     respond to the shorting of the trans       Alternatively the actual boat         Wind Mag Wind Direction  Reachspeed can be determined from a                                                                 Keep the thruhull 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 oeration  is      or the factory service department                                                                                               restored A I  O check that the        should be utilized See  not speed through the water Be sure to calibrate the unit at                                                                                arrow on the transducer oints          Considerations for information on a time and location when the wind           Speed unctions                                    forward                                                                                                   In saltwater and weedfilled                                                                                                                                       factory service                                                                                                                                              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 lorans           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  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                                  factorys assistance for any problem                                             whatsoever please call us We are                                              available to assist you in any Link                                              matters                                           Operation  The two WlND push                           True wind angle is generally           ful for tactical decisions Am I getWind Functions                             buttons are used to choose the type               used for optimizing boat performance        ting a wind shift should I tack orGeneral Information  The Link             of wind information to be displayed              Upwind each boat in any particular          When I round the windward mark5000 wind system contains a multi         Their functions are as follows                   wind sea and sail configuration has         will it be a port or starboard  wind instrument designed to                                                         an optimum true wind angle to main          set By electronically adjusting for                                                   This display is the apparmeet the demand of racing and                                                                tain Also sail selection is best made      changes in the current boats head                                           ent wind instrument information It               by reference to true wind strengths          ing real changes in the  sailboats as well as all types                                           indicates the wind that one feels                 and to true wind angles                     winds can be picked up much moreof power yachts It gives the user                                           moving with the boat through the                        True wind direction is very use       easilytrue wind both relative to the boats                                           wind and will not indicate the actualheading and to magnetic north as                                           spesr direction one observes withwell as the usual apparent condi                                           the boat at resttions In addition the Link wind sys                                                 The display will show in the                                                                                                        I Figure 34tem interfaces with the Datamarine                                           center the apparent wind angle withLink network supplying information                                           the O indicator as well as the apparto any number of wind wind                                           ent wind speed above and to thedependent and multifunction remote                                           riaht of the anale When in theunits which may be connected to                                           apparent windmode the APPR RELthat network The significant features                                           ANGLE indicator will always be onof your new wind instrument are Display Low power LCD display            Will cause data to be dis   of wind speed and direction   information   THREE DISPLA Y FORMATS                                           played which is compensated for the                                           vessels speed This display is equal                                           to what one would observe if the                                                                                      ct                                                                                           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 userselectable for       removes it   either knots or mph                          The first push of this button dis  Masthead Uses Datamarines             plays the true wind angle ie the true   WX175 masthead unit A proven          wind speed and its angle relative to   aircraft type synchro design            the boats 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 N1           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    instruments 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    360 degrees                                                                                             1      Damping This control is a push         tape before the mast is steppedbutton that selects four discrete             Hint A light liped   to thedamping levels These damping lev            upper part of the masking tapeels reflect averaging methods which           can be gently pulled after calibraaverage speed and wind readings               tion is complete This will peel offover increasingly longer intervals           the tape and eliminate the need toThe higher the damping level the              go up in a bosuns chairless jitter you will observe in the dis   3 The instrument can now beplay especially true in rough water        aligned to the known vane position      The lower the damping level          4 Select         Using the smallthe faster display response you willobserve when wind or boat speed              screwdriver provided rotate thechanges                                     wind angle calibration control to      The same damping level is              change the displayed readingused for wind functions speed func         Moving the control to the full                                                                                                                                                                               Figure 35tions 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 sectime 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 KnotsMPH Selection If winddamping Successive presses will                                                         ward If it is different on either side   speed is displayed in mph boatraise the level of damping until level       to the right by one degree per                                                                                                                                                                                                                                                                                                                      second Full counter clockwise will     hthe offset angle probably needs to           speed should also be calibrated in4 is reached The next press returns                                                     be calibrated A likely correction         mph so that computed functions areto damping level 1 The damping              rotate the displayed wind direction                                             to the left When displayed on a            would be half of the difference            accuratelevel is displayed as 3P  through                                                     between the two apparent anglesdI9    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 andfew seconds after pressing the               rotation establishes a 1O  second                                                                                         36O on starboard the settingdamp 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                  clockwise by 2 400 360               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 codesWind Calibration                             the boat is swinging at the moor                                             ing or the wind is shifting                                                                                         center it                                                                                               Note Be sure to leave the           may appear in the display if a probAngle Calibration  The 5000                       When desired alignment is                          adjustment in the center      lem existsmust be aligned with the masthead            reached move the control to the                          no beeping when the               Fault 01 Indicates that no mastvane                                        center of its rotation until the                         calibration is completed     head wind information is being1 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 mast2 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                                                   ibrated 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                                                        selecton no further adjustment of         or VMG is selected and the wind                                                                                         wind speed is necessary If wind            information is missing      Fault 05 This indicates missingdata needed for the calculated func                                         Magnetic Compass                              550 Remotetion MAG True Wind MAG Direc           Display QQb                                   Operationtion or for MAGHDG display Thiscondition is caused by missingcompass data or due to the fact acompass is faulty or not connectedto this instrument correctly NOTEOnly Nl format at 5 volt TTL           This button will display the currentlevels is acceptable as a compass       boat heading in degrees magneticinput                                   The electronic compass input is dis      Refer to the masthead installa    played directly in addition to beingtion section to determine if the mast   transmitted on the Link network forhead and associated wiring is faulty    use by other instruments and forMost wind failures can be traced to      computed  cable and connector                   Remember that this                                 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 eg tool                                         boxes portable radios Follow the                                         compass manufacturers instructions                                         carefully                                               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 4year 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      Were 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              Basicallythis 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 overvoltage 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                                                                                                                                   Considerations      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  360          5 Damping level                        marine each Link system owner will        Warranty will be voided by      swing then immediately advance          Lighting  The main units 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           OVERVOLTAGE 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             owners 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                                                                                                                                   DATAMARINE       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 UV 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        postagepaid warranty card This will                                                                                                                                   Telephone 617 56371 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 uptodate 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                                                                                         experiencesTo 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                                                                                         owners 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 COD 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                                                                                      i                                                                                       il                                                                                          3                                                                                                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           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 COD 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 Datamarine1                                PROCEDURE             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  and fitness IN NO WENT       SHALL DATAMARINE INTERNATIONAL INC BE LIABLE FOR       SPECIAL OR CONSEQUENTIAL DAMAGES OR THE        OF RETAIL  International Inc        53 Portside Drive                                          i                                       r   e Pocasset MA USA 02559         S                                             6175637151      Telex 940445

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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 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 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.