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12.1Fishnderintroduction

Warning:Sonaroperation

•NEVERoperatethesounderwiththeboatoutof

thewater.

•NEVERtouchthetransducerfacewhenthesounder

ispoweredon.

•SWITCHOFFthesounderifdiversarelikelytobe

within25ft(5m)ofthetransducer.

Fishnderoverview

Theshnderapplicationprovidesadetailedviewoftheshand

seabedunderyourvessel,enablingyoutoaccuratelydistinguish

betweendifferentsizesofsh,bottomstructure,andunderwater

obstacles.Thestandardshnderimageisahistorical,scrolling

bottomgraphwithrangeandsonarfrequencyautomaticallyselected

bythesystem.

Thevariousfunctionsandfeaturesoftheshnderapplication

include:

•Presetmodesforeasyoptimaloperation.

•Displaymodes(Zoom,A-ScopeorBottomLock).

•Adjustablerangeandzoom.

•Findingbottomfeedingshwiththebottomlockdisplaymode.

•Clutterandgainoptionstosimplifytheimage.

•Pausingandadjustingthespeedofthescrollingimage.

•Usingwaypointstomarkaposition.

•Determiningdepthsanddistancesoftargets.

•Fishnderalarms(sh,depthorwatertemperature).

Fishnderscreen

Theshnderdisplaysascrollingimageoftheseabed,updating

fromtherightasyourvesselmakesprogress.

Exampleshnderscreen

Theshnderwindowincludesthefollowingaspects:

•Thebottomtogetherwithanybottomstructuresuchasreefsand

shipwrecksetc.

•Targetimagesindicatingsh.

•Astatusbarnotingthefrequencyandgainsettings.

•Thebottomdepth.

Statusicon

Theshnderstatusiconislocatedinthetop-rightsectionofthe

screen:

164E-SeriesWidescreenUserreference

Raymarine E90W User Manual

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