Raymarine c97 - Sonar Troubleshooting

25.5Sonartroubleshooting
Problemswiththesonarandtheirpossiblecausesandsolutionsaredescribedhere.
ProblemPossiblecausesPossiblesolutions
Unitpowersupplyfault.Checktheunitpowersupplyandcables.
Otherunitfault.Refertotheinstructionssuppliedwiththeunit.
CheckthattheunitiscorrectlyconnectedtoaRaymarinenetworkSeaTalk
hs
switchorcrossovercoupler(asapplicable).
CheckthestatusoftheRaymarinenetworkswitch(ifapplicable).
SeaTalk
hs
/RayNetnetworkproblem.
CheckthatSeaTalk
hs
/RayNetcablesarefreefromdamage.
Nodatasourceforthesounder.
Softwaremismatchbetweenequipment
maypreventcommunication.
ContactRaymarinetechnicalsupport.
GainorFrequencysettingsmaybe
inappropriateforpresentconditions.
Checkthesounderpresets,gainandfrequencysettings.
UnitpowersupplyfaultCheckthevoltagefromthepowersupply,ifthisistoolowitcanaffectthe
transmittingpoweroftheunit.
Unitcablefault.
Ensurethatthepower,transducerandallothercablestotheunitare
properlyconnectedandfreefromdamage.
Checkthatthetransducerismountedcorrectlyandisclean.
Checkthetransduceriswithin10°ofvertical.
Transducerfault
Ifyouhaveatransom-mounttransducer,checkthatthetransducerhasn’t
kickedupduetohittinganobject.
Otherunitfault.Refertotheinstructionssuppliedwiththeunit.
Vesselstationary
Fisharchesarenotdisplayedifthevesselisstationary,shwillappearon
thedisplayasstraightlines.
Highvesselspeed
Turbulencearoundthetransducermaybeconfusingtheunit.
Problematicdepthreadingsorsonar
image.
Scrollspeedsettozero
Adjustscrollspeed
PaddlewheelfaultCheckthatthepaddlewheelisclean.
NospeedoffsetsetAddspeedoffset.
Incorrectspeedreading
IncorrectcalibrationRe-calibrateequipment
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