SimradEK15
cPelagic
ThisechogramisnearlyidenticaltotheSurfaceechogram.However,the
biomassiscalculatedinadifferentmanner.
Thebiomasscalculationsarenotrestrictedbythebottomdetection.This
meansthatthebottomechowillbeincludedincalculationsifitappearswithin
thechosenrange.
3Movethecursorovertheechogram.
Observethatarectangular“tooltip”labelisshown.Itprovidesinformationabout
theechoesatthecursor'spresentposition.Whichinformationtoincludeinthelabel
isdenedintheDisplayOptionsdialogbox.
4ClicktheHorizontaltab.Observethattheechogramchannelsareshown
horizontally.
5ClicktheVerticaltab.Observethattheechogramchannelsareshownvertically.
6Clickononeoftheechograms.
Observethattheechogramthenappearswithathickborderline.Theechogramyou
haveselectedisnowthe“active”echogram.AnychangesmadeintheEchogram
dialogboxwillbydefaultonlyapplytothisechogram.
7OntheActivemenu,clickEchogram.
ObservethattheEchogramdialogboxopens.
TheEchogramdialogboxallowsyoutosetuptheparameterscontrollingthe
echogrampresentation.Thethreetabscontrolthehorizontallines,theechogram
typewithappliedTVG,andhowfasttheechogrammovesacrossthedisplay.
8IntheEchogramdialogbox,checkthattheLinestabisshown.
TheLinestabintheEchogramdialogboxallowsyoutocontrolthehorizontaland
verticallinesusedtoenhancetheechogrampresentation.Itallowsyoutochange
theappearanceofthebottomline.Youcanaddanextrabottomline,andinaddition
tothisyoucanenableeitherawhitelineorahardnessindicatorline.Thetabalso
offersseveralhorizontalinformationlines,andyoucanchoosetheverticalscale
oftheechogram.Finally,theLinestabofferstimeordistancemarkers,andyou
canenableannotations.
9ClickBottomlineandWhitelinetoenablethese.Observethechangesonthe
echogram.
10ClicktheEchogramtab.
TheEchogramtabintheEchogramdialogboxallowsyoutoselectwhichTVGcurve
tousefortheechogram.Youcanchoosefromseveralstandardcurves,ormakeyour
own.Thetabalsoallowsyoutochoosewhichtypeofechogramyouwishtodisplay.
11ChangetheEchogramTypetoseethevariations.
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351718/C
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