Raymarine RAY70 - Location and Mounting; General Location Requirements

Name
Part
numberFeatures
E70245Ray60
•SeaTalk
ng®
/
NMEA2000
•NMEA0183
•Passive
speaker
connection
•Upto2
stations
E70251Ray70
SameasRay60
withadditional:
•Built-inAIS
receiver
•Built-inGNSS
(GPSand
GLONASS)
receiver
•Loudhailer
connection
Locationandmounting
Generallocationrequirements
Whenselectingalocationfortheunititisimportantto
consideranumberoffactors.
AntennamountingandEMEexposure
Ensurethattheantennaisconnectedtotheradio
beforetransmission.
RaymarinedeclaresaMaximumPermissibleExposure
(MPE)radiusof1.5metres(4.9ft)(perOETBulletin
65)forthissystem,assuming25wattsoutputtoan
omnidirectionalantennaof3dBigainorless.
Forwatercraftwithsuitablestructures,theantenna
basemustbeatleast3.5metres(11.5ft)abovethe
maindecktomeettheMPEforpersonsupto2metres
(6.6ft)tall.Forwatercraftwithoutsuchstructures,the
antennamustbemountedsothatitsbaseisaminimum
of1.5metres(4.9ft)verticallyfromheadsofallpersons.
Theantennamustbeisolatedfromthevessel’s
metalworkusinganinsulated(e.g.plastic)mounting
bracket.
Compasssafedistance
Topreventpotentialinterferencewiththevessel's
magneticcompasses,ensureanadequatedistanceis
maintainedfromtheproduct.
Whenchoosingasuitablelocationfortheproductyou
shouldaimtomaintainthemaximumpossibledistance
fromanycompasses.Typicallythisdistanceshouldbe
atleast1m(3ft)inalldirections.Howeverforsome
smallervesselsitmaynotbepossibletolocatethe
productthisfarawayfromacompass.Inthissituation,
whenchoosingtheinstallationlocationforyourproduct,
ensurethatthecompassisnotaffectedbytheproduct
whenitisinapoweredstate.
GPSlocationrequirements
Inadditiontogeneralguidelinesconcerningthe
locationofmarineelectronics,thereareanumber
ofenvironmentalfactorstoconsiderwheninstalling
equipmentwithaninternalGPSantenna.
Mountinglocation
•AboveDecksmounting:
ProvidesoptimalGPSperformance.(Forequipment
withappropriatewaterproofrating.)
•BelowDecksmounting:
GPSperformancemaybelesseffectiveandmay
requireanexternalGPSantennamountedabove
decks.
D11537-2
1
2
3
1
2
3
1
.
ThislocationprovidesoptimalGPSperformance
(abovedecks).
2
.
Inthislocation,GPSperformancemaybeless
effective.
3
.
ThislocationisNOTrecommendedforGPS
antenna.
Vesselconstruction
Theconstructionofyourvesselcanhaveanimpact
onGPSperformance.Forexample,theproximityof
heavystructuresuchasastructuralbulkhead,orthe
interioroflargervesselsmayresultinareducedGPS
signal.BeforelocatingequipmentwithaninternalGPS
antennabelowdecks,seekprofessionalassistance
andconsideruseofanexternalGPSantennamounted
abovedecks.
Prevailingconditions
Theweatherandlocationofthevesselcanaffectthe
GPSperformance.Typicallycalmclearconditions
provideforamoreaccurateGPSx.Vesselsat
extremenortherlyorsoutherlylatitudesmayalso
receiveaweakerGPSsignal.GPSantennamounted
belowdeckswillbemoresusceptibletoperformance
issuesrelatedtotheprevailingconditions.
8
Ray52/Ray50/Ray60/Ray70