Raymarine E-Series - Page 31

Compasssafedistance
Topreventpotentialinterferencewiththevessel's
magneticcompasses,ensureanadequatedistance
ismaintainedfromthedisplay.
Whenchoosingasuitablelocationforthe
multifunctiondisplayyoushouldaimtomaintainthe
maximumpossibledistancebetweenthedisplayand
anycompasses.Typicallythisdistanceshouldbeat
least1m(3ft)inalldirections.Howeverforsome
smallervesselsitmaynotbepossibletolocate
thedisplaythisfarawayfromacompass.Inthis
situation,thefollowingguresprovidetheminimum
safedistancethatshouldbemaintainedbetweenthe
displayandanycompasses.
D12 203 -1
200 mm
(7.87 in)
350 mm
(13.8 in)
300 mm
(11.8 in
)
700 mm
(27.5 in)
500 mm
(19.7 in)
250 mm
(9.84 in)
1
2
3
4
5
6
Item
Compass
positionin
relationto
display
Minimumsafe
distancefrom
display
1Top
200mm(7.87in.)
2Rear
500mm(19.7in.)
3Right-handside
350mm(13.8in.)
4Underside
300mm(11.8in.)
5
Front
700mm(27.5in.)
6
Left-handside250mm(9.84in.)
GPSlocationrequirements
Inadditiontogeneralguidelinesconcerningthe
locationofmarineelectronics,thereareanumber
ofenvironmentalfactorstoconsiderwheninstalling
equipmentwithaninternalGPSantenna.
Mountinglocation
•AboveDecksmounting:
ProvidesoptimalGPSperformance.(For
equipmentwithappropriatewaterproofrating.)
•BelowDecksmounting:
GPSperformancemaybelesseffectiveandmay
requireanexternalGPSantennamountedabove
decks.
D115 37 -2
1
2
3
1
2
3
1.
ThislocationprovidesoptimalGPS
performance(abovedecks).
2.
Inthislocation,GPSperformancemaybeless
effective.
3.
ThislocationisNOTrecommendedforGPS
antenna.
Vesselconstruction
Theconstructionofyourvesselcanhaveanimpact
onGPSperformance.Forexample,theproximity
ofheavystructuresuchasastructuralbulkhead,
ortheinterioroflargervesselsmayresultina
reducedGPSsignal.Beforelocatingequipment
withaninternalGPSantennabelowdecks,seek
professionalassistanceandconsideruseofan
externalGPSantennamountedabovedecks.
Prevailingconditions
Theweatherandlocationofthevesselcanaffectthe
GPSperformance.Typicallycalmclearconditions
provideforamoreaccurateGPSx.Vesselsat
extremenortherlyorsoutherlylatitudesmayalso
receiveaweakerGPSsignal.GPSantennamounted
belowdeckswillbemoresusceptibletoperformance
issuesrelatedtotheprevailingconditions.
EMCinstallationguidelines
Raymarineequipmentandaccessoriesconformto
theappropriateElectromagneticCompatibility(EMC)
regulations,tominimizeelectromagneticinterference
betweenequipmentandminimizetheeffectsuch
interferencecouldhaveontheperformanceofyour
system
CorrectinstallationisrequiredtoensurethatEMC
performanceisnotcompromised.
Note:InareasofextremeEMCinterference,
someslightinterferencemaybenoticedonthe
product.Wherethisoccurstheproductandthe
sourceoftheinterferenceshouldbeseparatedby
agreaterdistance.
ForoptimumEMCperformancewerecommend
thatwhereverpossible:
Planningtheinstallation
31