Raymarine RAY91 - GNSS (GPS) Troubleshooting

10
.4GNSS(GPS)troubleshooting
ProblemswiththeGNSS(GPS)andtheirpossiblecausesandsolutionsaredescribedbelow.
BeforetroubleshootingGNSS(GPS)problems,ensure
yourproducthasthelatestsoftware,bycheckingthe
SoftwareUpdatespageontheRaymarinewebsite
www.raymarine.com.
Nofix
P
ossiblecausesPossiblesolutions
GNSS(GPS)switchedoff
.EnsureyourinternalGNSS(GPS)receiverisswitchedon.
Geographiclocationorprevailingconditionspreventing
satellitefix.
Checkperiodicallytoseeifafixisobtainedinbetterconditionsoranothergeographiclocation.
GNSS(GPS)Antennalocation.
Foroptimumperformancetheantennashouldbemountedabovedeck
sandhaveaclear,unobstructedview
ofthesky,andnotbeincloseproximitytoanystructuralbulkheadsorotherelectricalequipmentorcables
whichmaycauseinterference.
Nopositiondata
P ossiblecausesPossiblesolutions
Internalreceiverisswitchedoff .
Ensureyourexternalorinternalreceiverisswitchedon.
W rongNetworkoutputselected.
Ensurethecorrectnetworktypeandspeedisselectedinthe Networkoutputmenu: Menu>Set-up>
Networkoutput.
P oor/damaged/insecurecable/connection.
1.Checkthattheconnectorsarefullyinsertedintotheunitandlockedinposition.
2.Checkthecablesandconnectorsforsignsofdamageorcorrosion,replaceifnecessary.
3.Checkthevessel’sbatteryvoltage,theconditionofthebatteryterminalsandpowersupplycables,ensuring
connectionsaresecure,cleanandfreefromcorrosion,replaceifnecessary.
4.Withtheproductunderload,usingamulti-meter,checkforhighvoltagedropacrossallconnectors/fuses
etc,replaceifnecessary.
GPSdataoutput
TheR ay90andRay91includeaninternalGPSreceiver.
However,theseproductsdoNOToutputGPSdatato
externaldevices.
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