Raymarine A65 - Sonar Troubleshooting

27.5Sonartroubleshooting
Problemswiththesonarandtheirpossiblecausesandsolutionsaredescribedhere.
ProblemPossiblecausesPossiblesolutions
Unitpowersupplyfault.Checktheunitpowersupplyandcables.
Otherunitfault.Refertotheinstructionssuppliedwiththeunit.
CheckthattheunitiscorrectlyconnectedtoaRaymarinenetworkSeaTalk
hs
switchorcrossovercoupler(asapplicable).
CheckthestatusoftheRaymarinenetworkswitch(ifapplicable).
SeaTalk
hs
/RayNetnetworkproblem.
CheckthatSeaTalk
hs
/RayNetcablesarefreefromdamage.
Sonardatanotavailableonmultifunction
display.
Softwaremismatchbetweenequipment
maypreventcommunication.
ContactRaymarinetechnicalsupport.
GainorFrequencysettingsmaybe
inappropriateforpresentconditions.
Checkthesonarpresets,gainandfrequencysettings.
UnitpowersupplyfaultCheckthevoltagefromthepowersupply,ifthisistoolowitcanaffectthe
transmittingpoweroftheunit.
Unitcablefault.
Ensurethatthepower,transducerandallothercablestotheunitare
properlyconnectedandfreefromdamage.
Checkthatthetransducerismountedcorrectlyandisclean. Transducerfault
Ifyouhaveatransom-mounttransducer,checkthatthetransducerhasn't
kickedupduetohittinganobject.
Otherunitfault.Refertotheinstructionssuppliedwiththeunit.
Vesselstationary
Fisharchesarenotdisplayedifthevesselisstationary,shwillappearon
thedisplayasstraightlines.
Highvesselspeed
Turbulencearoundthetransducermaybeconfusingtheunit.
Problematicdepthreadingsorsonar
image.
Scrollspeedsettozero
Adjustscrollspeed
PaddlewheelfaultCheckthatthepaddlewheelisclean.
NospeedoffsetsetAddspeedoffset.
Incorrectspeedreading
IncorrectcalibrationRe-calibrateequipment
278NewaSeries/NewcSeries/NeweSeries