Raymarine e7 - 11.4 Dual; Single frequency fishfinder; 11.5 Fishfinder preset configuration

11.4Dual/Singlefrequencyshnder
Dualfrequencyoperationallowsthesonartooperateanddisplay2
frequenciessimultaneously.Ifthepresetmodethatyouareusing
hastwofrequenciescongured,youcanvieweitheroneorbothof
thosefrequenciesinseparatewindows.
Selectingdualfrequencyview
Fromtheshnderapplication:
1.SelectMenu.
2.SelectSelectPreset.
3.SelectDual.
4.SelectView.
5.Selecttherequiredsetting:
•Frequency1
•Frequency2
•Both
11.5Fishnderpresetconguration
Sonarfrequency
Thefrequencyofthesonardeterminesthewidthofthesonarbeam,
thedepthtowhichthesignalswillpenetrateandtheresolution
oftheimage.Eachofthepresetoperatingmodeshasitsown
frequencysettings.
ThefrequenciessupporteddependupontheDSMandtransducer
inuseonyoursystem.
•Auto.Whenoperatinginautomaticfrequencythesystemwillset
andadjustthefrequencyautomaticallytosuityourtransducer
andoperatingconditions.
•Lowerfrequencies(e.g.50kHz)produceawidesonarbeam
andpenetratethewaterwell.Alowerfrequencyprovidesalower
resolutionimagethatmaynotbeasgoodatdetectingsmallsh.
Uselowerfrequenciesifyourequirealargecoveragebeneath
yourvesselorifyouareindeepwater.
•Higherfrequencies(e.g.200kHz)producenarrowbeam
andproduceahighresolutionimage.Theyaremostusefulin
shallowerwater(upto1000ft)andathigherspeeds.
Settingtheshnderfrequency
WiththeAdjustPresetmenuoptionsyoucan:
•Congureoneortwofrequenciesforeachofthefourpresets.
•Selectadisplaymode.
•Editpresetnames.
•Resetpresetstofactorydefaults.
1.FromtheshnderapplicationselectMenu.
2.SelectAdjustPreset<mode>,where<mode>isthepreset
alreadyselected.
3.SelectCongureFrequencies.
Usingtheshnder
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