Raymarine RAY91 - EMC Installation Guidelines

3.2EMCinstallationguidelines
Raymarine®equipmentandaccessoriesconformtotheappropriateElectromagneticCompatibility
(EMC)regulations,tominimizeelectromagneticinterferencebetweenequipmentandminimizethe
effectsuchinterferencecouldhaveontheperformanceofyoursystem
CorrectinstallationisrequiredtoensurethatEMCperformanceisnotcompromised.
Note:
InareasofextremeEMCinterference,someslightinterferencemaybenoticed.Wherethisoccurs
theproductandthesourceoftheinterferenceshouldbeseparatedbyagreaterdistance.
ForoptimumEMCperformancewerecommendthatwhereverpossible:
•Raymarine®equipmentandcablesconnectedtoitare:
–Atleast1m(3ft)fromanyequipmenttransmittingorcablescarryingradiosignalse.g.VHFradios,
cablesandantennas.InthecaseofSSBradios,thedistanceshouldbeincreasedto2m(7ft).
–Morethan2m(7ft)fromthepathofaRadarbeam.ARadarbeamcannormallybeassumedto
spread20degreesaboveandbelowtheradiatingelement.
•Theproductissuppliedpowerfromaseparatebatteryfromthatusedforenginestart.Thisis
importanttopreventerraticbehavioranddatalosswhichcanoccuriftheenginestartdoesnot
haveaseparatebattery.
•OnlyRaymarine®specifiedcablesareused.
•Cablesarenotcutorextended,unlessdoingsoisdetailedintheinstallationinstructions.
Note:
Whereconstraintsontheinstallationpreventanyoftheaboverecommendations,alwaysensure
themaximumpossibleseparationbetweendifferentitemsofelectricalequipment,toprovidethe
bestconditionsforEMCperformancethroughouttheinstallation.
Suppressionferrites
•Raymarinecablesmaybepre-fittedorsuppliedwithsuppressionferrites.Theseareimportantfor
correctEMCperformance.Ifferritesaresuppliedseparatelytothecables(i.e.notpre-fitted),you
mustfitthesuppliedferrites,usingthesuppliedinstructions.
•Ifaferritehastoberemovedforanypurpose(e.g.installationormaintenance),itmustbereplaced
intheoriginalpositionbeforetheproductisused.
•Useonlyferritesofthecorrecttype,suppliedbyRaymarineoritsauthorizeddealers.
•Whereaninstallationrequiresmultipleferritestobeaddedtoacable,additionalcableclipsshould
beusedtopreventstressontheconnectorsduetotheextraweightofthecable.
Connectionstootherequipment
Requirementforferritesonnon-Raymarinecables.
IfyourproductistobeconnectedtootherequipmentusingacablenotsuppliedbyRaymarine,a
suppressionferriteMUSTalwaysbeattachedtotheendofthecablenearesttotheRaymarine
product.
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