Raymarine AIS350 User manual

A
IS 3 5 0 Re c e ive r /
AIS 6 5 0 C la s s B
Tr a n s c e ive r
Ins ta lla tion ins tructions
ENGLIS H
Docume nt numbe r: 87140-1
Da te : 03-2011
AIS350/AIS650Installationinstruction

Trademarkandpatentsnotice
Autohelm,hsb2,RayTechNavigator,SailPilot,SeaT alk,SeaTalkNG,SeaT alkHSandSportpilotareregisteredtrademarksofRaymarine
UKLimited.RayTalk,Seahawk,Smartpilot,PathnderandRaymarineareregisteredtrademarksofRaymarineHoldingsLimited.
FLIRisaregisteredtrademarkofFLIRSystems,Inc.and/oritssubsidiaries.
Allothertrademarks,tradenames,orcompanynamesreferencedhereinareusedforidenticationonlyandarethepropertyof
theirrespectiveowners.
Thisproductisprotectedbypatents,designpatents,patentspending,ordesignpatentspending.
Copyright©2011RaymarineUKLtd.Allrightsreserved.
ENGLISH
Documentnumber:87140-1
Date:03-2011

Contents
Chapter1Importantinformation.............................7
Applicability....................................................................7
Safetyinformation...........................................................7
Generalinformation........................................................8
AISoverview..................................................................9
ClassesofAIS................................................................10
Systemprotocols............................................................12
Chapter2AIS350Receiver......................................15
2.1AIS350Receiverunit.................................................16
2.2RequirementsforUSA&Canada...............................16
2.3Planningtheinstallation.............................................17
2.4Cablesandconnections............................................20
2.5Connectionsoverview...............................................21
2.6VHFconnection........................................................21
2.7Multifunctiondisplayconnections...............................22
2.8Powerconnection.....................................................24
2.9USBconnection........................................................26
2.10Locationandmounting............................................26
2.11Systemchecks........................................................28
2.12Troubleshooting......................................................29
2.13T echnicalspecication.............................................29
Chapter3AIS650ClassBtransceiver....................31
3.1AIS650ClassBtransceiverunit.................................32
3.2Staticdatarequirement.............................................32
3.3RequirementsforUSA&Canada...............................33
3.4RequirementsforareasoutsideofUSA&
Canada..........................................................................35
3.5Planningtheinstallation.............................................36
3.6Cablesandconnections............................................39
3.7Connectionsoverview...............................................40
3.8GPSantennaconnection...........................................41
3.9VHFconnection........................................................42
3.10Multifunctiondisplayconnections.............................43
3.11AISSilentmodeconnection.....................................44
3.12Powerconnection....................................................45
3.13USBconnection......................................................47
3.14SDCardconnection................................................48
3.15Locationandmounting............................................49
3.16Systemchecks........................................................53
3.17Diagnostics.............................................................54
3.18Troubleshooting......................................................55
3.19T echnicalspecication.............................................56
Chapter4Technicalsupport...................................57
4.1Raymarinecustomersupport.....................................58
Chapter5Optionsandaccessories.......................59
5

5.1SeaT alkngcablesandaccessories..............................60
5.2Sparesandaccessories............................................61
6AIS350/AIS650Installationinstruction

Chapter1:Importantinformation
Applicability
Theinformationinthisbookappliestoallgeographicalareasunless
otherwisestated.
Safetyinformation
Warning:Productinstallationand
operation
Thisproductmustbeinstalledandoperatedin
accordancewiththeinstructionsprovided.Failureto
dosocouldresultinpersonalinjury,damagetoyour
boatand/orpoorproductperformance.
Warning:Switchoffpowersupply
Ensuretheboat’spowersupplyisswitchedOFF
beforestartingtoinstallthisproduct.DoNOTconnect
ordisconnectequipmentwiththepowerswitchedon,
unlessinstructedinthisdocument.
Warning:Potentialignitionsource
ThisproductisNOTapprovedforusein
hazardous/ammableatmospheres.DoNOTinstallin
ahazardous/ammableatmosphere(suchasinan
engineroomornearfueltanks).
Warning:Ensuresafenavigation
Thisproductisintendedonlyasanaidtonavigation
andmustneverbeusedinpreferencetosound
navigationaljudgment.Onlyofcialgovernment
chartsandnoticestomarinerscontainallthecurrent
informationneededforsafenavigation,andthe
captainisresponsiblefortheirprudentuse.Itisthe
user’sresponsibilitytouseofcialgovernmentcharts,
noticestomariners,cautionandpropernavigational
skillwhenoperatingthisoranyotherRaymarine
product.
Caution:Powersupplyprotection
Wheninstallingthisproductensurethepowersource
isadequatelyprotectedbymeansofasuitably-rated
fuseorautomaticcircuitbreaker.
RFsafetynotice
RFradiationstatement
AIStransceiversgenerateandradiateradiofrequency(RF)
electromagneticenergy(EME).
Safecompassdistance
Safecompassdistanceis1meterminimumforanycompass.Some
compasstypesmayrequiregreaterdistances.T obesure,you
shouldlocateyourAISunitasfaraspossiblefromthecompass.
TestyourcompasstoverifyproperoperationwhiletheAISunitis
alsooperating.
Importantinformation7

Generalinformation
Caution:Cleaning
Whencleaningthisproduct:
•DoNOTwipethedisplayscreenwithadrycloth,as
thiscouldscratchthescreencoating.
•DoNOTuseabrasive,oracidorammoniabased
products.
•DoNOTuseajetwash.
EMCinstallationguidelines
Raymarineequipmentandaccessoriesconformtotheappropriate
ElectromagneticCompatibility(EMC)regulations,tominimize
electromagneticinterferencebetweenequipmentandminimizethe
effectsuchinterferencecouldhaveontheperformanceofyour
system
CorrectinstallationisrequiredtoensurethatEMCperformanceis
notcompromised.
ForoptimumEMCperformancewerecommendthatwherever
possible:
•Raymarineequipmentandcablesconnectedtoitare:
–Atleast1m(3ft)fromanyequipmenttransmittingorcables
carryingradiosignalse.g.VHFradios,cablesandantennas.
InthecaseofSSBradios,thedistanceshouldbeincreased
to7ft(2m).
–Morethan2m(7ft)fromthepathofaradarbeam.Aradar
beamcannormallybeassumedtospread20degreesabove
andbelowtheradiatingelement.
•Theproductissuppliedfromaseparatebatteryfromthatused
forenginestart.Thisisimportanttopreventerraticbehavior
anddatalosswhichcanoccuriftheenginestartdoesnothave
aseparatebattery.
•Raymarinespeciedcablesareused.
•Cablesarenotcutorextended,unlessdoingsoisdetailedin
theinstallationmanual.
Note:Whereconstraintsontheinstallationpreventanyof
theaboverecommendations,alwaysensurethemaximum
possibleseparationbetweendifferentitemsofelectrical
equipment,toprovidethebestconditionsforEMCperformance
throughouttheinstallation
Suppressionferrites
Raymarinecablesmaybettedwithsuppressionferrites.These
areimportantforcorrectEMCperformance.Ifaferritehastobe
removedforanypurpose(e.g.installationormaintenance),itmust
bereplacedintheoriginalpositionbeforetheproductisused.
Useonlyferritesofthecorrecttype,suppliedbyRaymarine
authorizeddealers.
Connectionstootherequipment
Requirementforferritesonnon-Raymarinecables
IfyourRaymarineequipmentistobeconnectedtootherequipment
usingacablenotsuppliedbyRaymarine,asuppressionferrite
MUSTalwaysbeattachedtothecableneartheRaymarineunit.
Declarationofconformity
RaymarineLtd.declaresthatthisproductiscompliantwiththe
essentialrequirementsofEMCdirective2004/108/EC.
TheoriginalDeclarationofConformitycerticatemaybeviewedon
therelevantproductpageatwww.raymarine.com.
8AIS350/AIS650Installationinstruction

Productdisposal
DisposeofthisproductinaccordancewiththeWEEEDirective.
TheWasteElectricalandElectronicEquipment(WEEE)
Directiverequirestherecyclingofwasteelectricalandelectronic
equipment.WhilsttheWEEEDirectivedoesnotapplytosome
Raymarineproducts,wesupportitspolicyandaskyoutobeaware
ofhowtodisposeofthisproduct.
Warrantyregistration
ToregisteryourRaymarineproductownership,pleasevisit
www.raymarine.comandregisteronline.
Itisimportantthatyouregisteryourproducttoreceivefullwarranty
benets.Yourunitpackageincludesabarcodelabelindicatingthe
serialnumberoftheunit.Youwillneedthisserialnumberwhen
registeringyourproductonline.Youshouldretainthelabelforfuture
reference.
IMOandSOLAS
Theequipmentdescribedwithinthisdocumentisintendedforuse
onleisuremarineboatsandworkboatsnotcoveredbyInternational
MaritimeOrganization(IMO)andSafetyofLifeatSea(SOLAS)
CarriageRegulations.
Technicalaccuracy
Tothebestofourknowledge,theinformationinthisdocumentwas
correctatthetimeitwasproduced.However,Raymarinecannot
acceptliabilityforanyinaccuraciesoromissionsitmaycontain.In
addition,ourpolicyofcontinuousproductimprovementmaychange
specicationswithoutnotice.Asaresult,Raymarinecannotaccept
liabilityforanydifferencesbetweentheproductandthisdocument.
AISdisclaimer
AllinformationpresentedbytheRaymarineAISdeviceisadvisory
only,asthereisariskofincompleteanderroneousinformation.By
placingthisproductintoserviceyouacknowledgethisandassume
completeresponsibilityforanyassociatedrisks,andaccordingly
releaseRaymarineandSRTMarineT echnologyLtdfromanyand
allclaimsarisingfromtheuseoftheAISservice.
Installationguide
Informationscope
Thisdocumentgivesintroductory,installationandtroubleshooting
informationforyourRaymarineAutomaticIdenticationSystem
(AIS)device.
RefertotheProAISUserManualandtheoperatingmanualfor
yourRaymarineMultifunctionDisplay,forinstructionsonhowto
congureandoperateyourAISsystem.
AlldocumentsareavailabletodownloadasPDFsfrom
www.raymarine.com
AISoverview
YourAISdeviceusesdigitalradiosignalstoexchange’real-time’
informationbetweenvessels,shorebasedstations,oraidsto
navigation(AToNs)ondedicatedVHFfrequencies.Thisinformation
isusedtoidentifyandtrackvesselsinthesurroundingareaandto
providefast,automaticandaccuratecollisionavoidancedata.
AlthoughAISaugmentsyourradarapplicationbyoperatinginradar
blindspotsanddetectingsmallerAIS-ttedvessels,itdoesnot
replaceradar,asitreliesonreceivingtransmittedAISinformation
andthereforecannotdetectobjectssuchaslandmassesand
navigationalbeacons.
NEVERassumethatAISisdisplayinginformationfromallvessels
inthearea,because:
Importantinformation9

•NotallvesselsarettedwithAIS
•Althoughitismandatoryforlargercommercialvesselstocarry
AIS,itisnotmandatorytouseit.
AISshouldbeusedonlytoaugmentradarinformation,notsubstitute
it.
Warning:AISlimitation
NeverassumethatyourAISisdetectingallvessels
inthearea.Alwaysexercisedueprudenceanddo
notuseAISasasubstituteforsoundnavigational
judgement.
ClassesofAIS
TheAIS350isareceiverthatreceivesmessagesfromvessels,
landbasestations,oraidstonavigation(AToNs)carryingClassA
orClassBtransceivers.
TheAIS650isaClassBtransceiverthatreceivesmessagesfrom
andtransmitsmessagestovessels,landbasestations,oraidsto
navigation(AToNs)carryingClassAorClassBtransceivers.
ClassAtransceivers
ClassAAIStransceiverstransmitandreceiveAISsignals.AIS
transceiversarecurrentlymandatoryonallcommercialvessels
exceeding300tonsthattravelinternationally(SOLASvessels).
ThefollowinginformationcanbetransmittedbyaClassAAIS
system:
•Staticdata.Includesinformationsuchasvesselname,vessel
type,MMSInumber,callsign,IMOnumber,length,beamand
GPSantennalocation.
•Voyagerelateddata.Includesinformationsuchasdraft,cargo,
destination,ETAandotherrelevantinformation.
•Dynamicdata.Includesinformationsuchastime(UTC),ship’s
position,COG,SOG,heading,rateofturnandnavigationalstatus.
•Dynamicreports.Ship’sspeedandstatus.
•Messages.Alarmsandsafetymessages.
Rememberthatnotallvesselswilltransmitalloftheinformation.
ClassBtransceivers
ClassBAIStransceiverstransmitandreceiveAISsignals,butuse
areducedsetofdatacomparedtoClassA(seeDataSummary).A
ClassBAIStransceivercanbettedonanyvesselnotttedwitha
ClassAtransceiver,butisnotmandatoryaboardanyvessel.
DataSummary
Data
Receiver
(receive)
Transceiver
(transmit)
Transceiver
(receive)
Ship’snameYesYesYes
TypeYesYesYes
CallsignYesYesYes
IMOnumberYesNoYes
LengthandbeamYesYesYes
AntennalocationYesYesYes
DraftYesNoYes
Cargo
Information
YesYesYes
DestinationYesNoYes
ETAYesNoYes
10AIS350/AIS650Installationinstruction

Data
Receiver
(receive)
Transceiver
(transmit)
Transceiver
(receive)
TimeYesYesYes
Ship’spositionYesYesYes
COGYesYesYes
SOGYesYesYes
GyroheadingYesYes*Yes
RateofturnYesNoYes
Navigational
status
YesNoYes
SafetymessageYesNoYes
*ClassBtransceiversdonottransmitaGyroheadingunlessthe
transceiverisreceivinganNMEAHDTsentencefromanexternal
source.
Datareportingintervals
AISinformationisclassedaseitherstaticordynamic.Static
informationisbroadcast,whendatahasbeenamended,orupon
request,orbydefault,every6minutes.
Thereportingratesfordynamicinformationdependonspeedand
coursechange,andaregiveninthefollowingtables.
Note:Thereportingratesshownhereareforreferenceand
maynotbetherateatwhichinformationisactuallyreceivedby
yourAIStransceiver.Thisisdependentonanumberoffactors,
includingbutnotlimitedtoantennaheight,gainandsignal
interference.
ClassAsystems
ShipsDynamicConditionsReportingrate
Atanchorormoored3Minutes
0-14knots10Seconds
0-14knotsandchangingcourse31/3Seconds
14-23knots6Seconds
14-23knotsandchangingcourse2seconds
Fasterthan23knots2seconds
Fasterthan23knotsandchanging
course
2seconds
ClassBsystems
ShipsDynamicConditionsReportingrate
0to2knots3Minutes
Above2knots30Seconds
OtherAISsources
SourceReportingrate
SearchandRescue(SAR)aircraft10seconds
Aidstonavigation3minutes
AISbasestation10secondsor3.33seconds,
dependingonoperatingparameters
Importantinformation11

Systemprotocols
Yourproductcanbeconnectedtovariousproductsandsystemsto
shareinformationandsoimprovethefunctionalityoftheoverall
system.Theseconnectionsmaybemadeusinganumberof
differentprotocols.Fastandaccuratedatacollectionandtransferis
achievedbyusingacombinationofthefollowingdataprotocols:
•SeaT alkng
•NMEA2000
•NMEA0183
Note:Youmayndthatyoursystemdoesnotuseallofthe
connectiontypesorinstrumentationdescribedinthissection.
Seatalkng
SeaTalkng(NextGeneration)isanenhancedprotocolforconnection
ofcompatiblemarineinstrumentsandequipment.Itreplacesthe
olderSeaT alkandSeaT alk2protocols.
SeaTalkngutilizesasinglebackbonetowhichcompatible
instrumentsconnectusingaspur.Dataandpowerarecarriedwithin
thebackbone.Devicesthathavealowdrawcanbepoweredfrom
thenetwork,althoughhighcurrentequipmentwillneedtohavea
separatepowerconnection.
SeaTalkngisaproprietaryextensiontoNMEA2000andtheproven
CANbustechnology.CompatibleNMEA2000andSeaT alk/
SeaTalk2devicescanalsobeconnectedusingtheappropriate
interfacesoradaptorcablesasrequired.
NMEA2000
NMEA2000offerssignicantimprovementsoverNMEA0183,most
notablyinspeedandconnectivity.Upto50unitscansimultaneously
transmitandreceiveonasinglephysicalbusatanyonetime,
witheachnodebeingphysicallyaddressable.Thestandard
wasspecicallyintendedtoallowforawholenetworkofmarine
electronicsfromanymanufacturertocommunicateonacommon
busviastandardizedmessagetypesandformats.
NMEA0183
TheNMEA0183DataInterfaceStandardwasdevelopedby
theNationalMarineElectronicsAssociationofAmerica.Itisan
internationalstandardtoenableequipmentfrommanydifferent
manufacturerstobeconnectedtogetherandshareinformation.
TheNMEA0183standardcarriessimilarinformationtoSeaTalk.
Howeverithastheimportantdifferencethatonecablewillonly
carryinformationinonedirection.ForthisreasonNMEA0183is
generallyusedtoconnectadatareceiverandatransmittertogether,
e.g.acompasssensortransmittingheadingtoaradardisplay.This
informationispassedin‘sentences’,eachofwhichhasathree
lettersentenceidentier.Itisthereforeimportantwhenchecking
compatibilitybetweenitemsthatthesamesentenceidentiersare
usedsomeexamplesofwhichare:
•VTG-carriesCourseandSpeedOverGrounddata.
•GLL-carrieslatitudeandlongitude.
•DBT-carrieswaterdepth.
•MWV-carriesrelativewindangleandwindspeeddata.
NMEAbaudrates
TheNMEA0183standardoperatesatanumberofdifferent
speeds,dependingupontheparticularrequirementorequipment
capabilities.Typicalexamplesare:
•4800baudrate.Usedforgeneralpurposecommunications,
includingFastHeadingdata.
•9600baudrate.UsedforNavtex.
•38400baudrate.UsedforAISandotherhighspeedapplications.
12AIS350/AIS650Installationinstruction

NMEAConnections
YoucanconnectyourtransceivertoyourVHFradiosetand
amultifunctiondisplayusingtheNMEAconnectionsonthe
power/datacable.
Thetransceiver’spoweranddataconnectorprovidesNMEA0183
connectionsatboth4800baudand38400baudrates,asfollows:
WirecolorNMEA0183Function
Yellow4800baudIN-
Gray4800baudIN+
Pink4800baudOUT–
Purple4800baudOUT+
Green38400baudIN-
White38400baudIN+
Blue38400baudOUT-
Brown38400baudOUT+
Amultiplexerbuiltintothetransceivermanagesboth4800and
38400baudrates.ThisfeatureeffectivelyfreesupanNMEAport
onyourmultifunctiondisplay.ifonlyoneNMEA0183portexistson
yourequipment,themultiplexereliminatestheneedforaseparate
multiplexer.
TypicallytheNMEA0183connectionsareusedasfollows:
•The4800baudwiresconnecttotheappropriatepointsonthe
VHFradioorotherNMEA01834800baudinput/outputdevice.
•The38400baudwiresconnecttoappropriateRaymarine
multifunctiondisplay.TheNMEA0183portoneachdisplay
connectedinthismannermustbesetto38400baud.
Importantinformation13

14AIS350/AIS650Installationinstruction

Chapter2:AIS350Receiver
Chaptercontents
•2.1AIS350Receiverunitonpage16
•2.2RequirementsforUSA&Canadaonpage16
•2.3Planningtheinstallationonpage17
•2.4Cablesandconnectionsonpage20
•2.5Connectionsoverviewonpage21
•2.6VHFconnectiononpage21
•2.7Multifunctiondisplayconnectionsonpage22
•2.8Powerconnectiononpage24
•2.9USBconnectiononpage26
•2.10Locationandmountingonpage26
•2.11Systemchecksonpage28
•2.12Troubleshootingonpage29
•2.13Technicalspecicationonpage29
AIS350Receiver15

2.1AIS350Receiverunit
AIS 35 0 Re c e ive r
S ta tus
US B
P WR/Da ta S Tn g VHF ANT
D12126-1
2.2RequirementsforUSA&Canada
IndustryCanada
IndustryCanadalicenserequirement
Youdonotneedalicensetooperatethisproductwithinsovereign
watersofCanadaortheUS.Youwillneedalicensetooperate
thisradiooutsideofCanadaortheUS.T oobtainIndustryCanada
licensinginformation,contactthenearesteldorregionalofce,
orwrite:
IndustryCanadaRadioRegulatoryBranch
Attention:DOSP
300SlaterStreet
Ottawa,Ontario
Canada,KIAOC8
AIS350Certicationdetails
Thefollowinginformationaboutthereceiverisrequiredtocomplete
IndustryCanadalicenseapplications:
•IndustryCanadaCerticationNumber:IC:4069B-AIS350
•OutputPower:2Watts
•Modulation:GMSK
•Frequencyband1:161.975MHz
•Frequencyband2:162.025MHz
16AIS350/AIS650Installationinstruction

2.3Planningtheinstallation
Installationchecklist
Installationincludesthefollowingactivities:
InstallationTask
1Planyourinstallation.
2Obtainallrequiredequipmentandtools.
3Mountthesystemcomponents.
4Routeallcables.
5Drillcableandmountingholes.
6Makeallconnectionstoequipment.
7Secureallequipmentinplace.
8Completethepost-installationcheck.
AIS350system
ThefollowingillustrationsshowexamplesofAIS350systems.
Simplesystemexample
SeaTalkng
12 V/ 24 V
AIS350 Re c e iver
Status
USB
PWR/Data STng VHF ANT
2
0
1
3
4
D12084-1
ItemDescription
1.VHFantenna
2.AIS350receiverunit
3.Multifunctiondisplay
4.Vessel’sexistingGPSantenna
AIS350Receiver17

Extendedsystemexample
NMEA0183 - 4800
RF
12 V/ 24 V
AIS350 Re c e iver
Status
USB
PWR/Data STng VHF ANT
0
0
1
2
3
4
D12 085-1
SeaTalkng
5
6
ItemDescription
1.VHFAntenna
2.VHFRadio
3.VHFSplitter(Notsupplied)
4.AIS350receiverunit
5.Multifunctiondisplay
6.Vessel’sexistingGPSantenna
Note:Itisnotrecommendedthatamultifunctiondisplayis
connectedusingbothSeaT alkngandNMEA0183atthesame
time,asdataconictscouldoccur.
Packcontents
TheAIS350modelcontainsthefollowingitems:
12
3
4
5
6
AIS 35 0 Re c e iver
S ta tus
US B
P WR/Da ta S Tng VHF ANT
D12086-1
ItemDescription
1.AIS350receiverunit
2.4xFixingscrews
18AIS350/AIS650Installationinstruction

ItemDescription
3.2mpower/datacable
4.Documentpackcontains:
•Installationinstruction
•SupportsoftwareCD-ROM
•Warrantyregistrationcard
5.SeaTalkngDustcap
6.1mSeaTalkngspurcable
UnpacktheAISunitcarefullytopreventdamage.Savethecarton
andpackingincasetheunithastobereturnedforservice.
Toolsrequired
Toolsrequiredforinstallation
12
3
D12 087-1
ItemDescription
1.PowerDrill
2.Screwdriver
3.3.2mm(1/4”)drillbit
AIS350Receiver19

2.4Cablesandconnections
Generalcablingguidance
Cabletypesandlength
Itisimportanttousecablesoftheappropriatetypeandlength
•Unlessotherwisestateduseonlystandardcablesofthecorrect
type,suppliedbyRaymarine.
•Ensurethatanynon-Raymarinecablesareofthecorrectquality
andgauge.Forexample,longerpowercablerunsmayrequire
largerwiregaugestominimizevoltagedropalongtherun.
Routingcables
Cablesmustberoutedcorrectly,tomaximizeperformanceand
prolongcablelife.
•DoNOTbendcablesexcessively.Whereverpossible,ensurea
minimumbendradiusof100mm.
Minimum bend of cable
100 mm (4 in) radius
Minimum bend
200 mm (8 in)
diameter
•Protectallcablesfromphysicaldamageandexposuretoheat.
Usetrunkingorconduitwherepossible.DoNOTruncables
throughbilgesordoorways,orclosetomovingorhotobjects.
•Securecablesinplaceusingtie-wrapsorlacingtwine.Coilany
extracableandtieitoutoftheway.
•Whereacablepassesthroughanexposedbulkheadordeckhead,
useasuitablewatertightfeed-through.
•DoNOTruncablesneartoenginesoruorescentlights.
Alwaysroutedatacablesasfarawayaspossiblefrom:
•otherequipmentandcables,
•highcurrentcarryingacanddcpowerlines,
•antennae.
Strainrelief
Ensureadequatestrainreliefisprovided.Protectconnectorsfrom
strainandensuretheywillnotpulloutunderextremeseaconditions.
Circuitisolation
Appropriatecircuitisolationisrequiredforinstallationsusingboth
ACandDCcurrent:
•Alwaysuseisolatingtransformersoraseparatepower-inverter
torunPC’s,processors,displaysandothersensitiveelectronic
instrumentsordevices.
•AlwaysuseanisolatingtransformerwithWeatherFAXaudio
cables.
•Alwaysuseanisolatedpowersupplywhenusinga3rdparty
audioamplier.
•AlwaysuseanRS232/NMEAconverterwithopticalisolationon
thesignallines.
•AlwaysmakesurethatPC’sorothersensitiveelectronicdevices
haveadedicatedpowercircuit.
Cableshielding
Ensurethatalldatacablesareproperlyshieldedthatthecable
shieldingisintact(e.g.hasn’tbeenscrapedoffbybeingsqueezed
throughatightarea).
20AIS350/AIS650Installationinstruction