Simrad ES80 - Page 313

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Description
YouuseStartRangetodenetheminimumdepthofthedisplayedtargets.Inother
words,thisisthedepthofthe"top"oftheechogram.TheRangesettingspeciesthe
"bottom"depth,whiletheStartRangesettingspeciesthe"top"depth.
Thestartrangeyouspecifyappliestothecurrentlyselectedechogram.Itisidentied
withathickborder.Severalechogramtypesareavailable.
Tip
Ifyouwishtoapplythenewstartrangesettingtoallthecurrentechogramsofthesame
type,selectApplytoall.
ToselectwhichechogramtypesyouwishtoseeintheES80presentations,usethe
Echogramdialogbox.
YoucanonlytypeanewvalueifacomputerkeyboardisconnectedtoyourES80
ProcessorUnit.Withoutakeyboard,selectapredenedvalue.Youcanalsoadjustthe
settingbyclickingthe[+]and[−]buttons.
Example
StartRangeinasurfacerelatedechogram
Inasurfaceechogram,settheStartRangevalueto0meters.Thiswill
maketheechogramstartfromtheseasurface(providedthatthetransducer
offsethasbeendened).SetRangetothecurrentdepthplus20meters.The
echogramwillnowshowtheareafromtheseasurfaceanddownto20
meters"below"thebottom.Thebottomcontouriseasilydetectedwhen
thedepthchanges.
Example
StartRange
inapelagicechogram
Inapelagicechogram,settheStartRangevalueto20meters.Thiswillmake
theechogramstartfrom20metersbelowtheseasurface(providedthatthe
transduceroffsethasbeendened).SetRangeto40meters.Theechogram
willnowshowtheareafrom20metersbelowtheseasurface,anddownto
60metersbelowthetransducer.Providedthatthedepthislargerthan60
meters,thebottomcontourisnotshown.
Example
StartRange
andRangeinbottomrelatedechogram
Inabottomechogram,settheStartRangevalueto–5meters.Thiswill
maketheechogramstartfrom5metersabovethebottom.SetRangetothe
5metersplus10=15meters.Theechogramwillnowshowtheareafrom
5metersabovethedepth,anddownto10meters"below"thebottom.The
bottomcontourwillappearasaatline.
Functionsanddialogboxes