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ossiblecausesPossiblesolutions

Damagedcables

1.Checktheunit’

sconnectorforbrokenorbentpins.

2.Checkthatthecableconnectorisfullyinsertedintothe

unitandthatthelockingcollarisinthelockedposition.

3.Checkthecableandconnectorsforsignsofdamageor

corrosion,replaceifnecessary.

4.Withtheunitturnedon,tryﬂexingthepowercablenear

tothedisplayconnectortoseeifthiscausestheunitto

re-boot/loosepower,replaceifnecessary.

5.Checkthevessel’sbatteryvoltage,theconditionofthe

batteryterminalsandpowersupplycables,ensuring

connectionsaresecure,cleanandfreefromcorrosion,

replaceifnecessary.

6.Withtheproductunderload,usingamulti-meter,check

forhighvoltagedropacrossallconnectors/fusesetc(this

cancausetheSonarapplicationstostopscrollingorthe

unittoreset/turnoff),replaceifnecessary.

V esselspeedtoohigh

Slowvesselspeedandrecheck.

Bottomtooshallowortoodeep

Thebottomdepthmaybeoutsideofthetransducersdepth

range

,movevesseltoshallowerordeeperwatersasrelevant

andrecheck.

P oor/problematicimage

P ossiblecausesPossiblesolutions

V esselstationary

Fisharchesarenotdisplayedifthevesselisstationary;ﬁsh

willappearonthedisplayasstraightlines.

Scrollingpausedorspeedsettoo

low

Unpauseorincreasesonarscrollingspeed.

Sensitivitysettingsmaybe

inappropriateforpresent

conditions.

CheckandadjustsensitivitysettingsorperformaSonarreset.