Raymarine e7 - Page 191

•Iconstatic-theshndertransducerisconnectedbutnot
transmitting.
•Icongreyed-out-noshndertransducerisconnected.
Howtheshnderworks
TheshnderapplicationusesaDigitalSounderModule(DSM)and
asuitablesonartransducer.TheDSMinterpretssignalsfromthe
transducerandbuildsupadetailedunderwaterview.
Thetransducerislocatedonthebottomoftheboat,itsendspulses
ofsoundwavesintothewaterandmeasuresthetimeittakesforthe
soundwavetotraveltothebottomandback.Thereturningechoes
areaffectedbybottomstructureandbyanyotherobjectsintheir
path,forexamplereefs,wrecks,shoalsorsh.
Colorsareusedonthedisplaytoindicatethestrengthofthereturns.
Youcanusethisinformationtodeterminethebottomstructure,
thesizeofshandotherobjectsinthewater,suchasdebrisor
airbubbles
Note:Sometransducersincludeadditionalsensorstomeasure
watertemperatureand/orspeed.
Fishndercontextmenu
Theshnderapplicationincludesacontextmenuwhichprovides
shnderinformationandmenuitems.
Theshndercontextmenucanbeaccessedby:
•SelectingalocationusingtheJoystickandpressingtheOk
button,or
•Selectingandholdingonanareaonscreen—Hybridtouch
multifunctiondisplaysonly.
Thecontextmenuprovidesthedataforthepositionofthecursor:
•Range
•Depth
Thecontextmenualsoprovidethefollowingmenuitems:
•PlaceWaypoint
•PlaceMarker
Themenuitemscanbeaccessed:
•usingtheRotaryControlandOkbutton,or
•selectingthemenuitemonscreen—Hybridtouchmultifunction
displaysonly.
Usingtheshnder
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