Simrad ES80 - Trawl Echogram Description

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Example
StartRangeinapelagicechogram
Inapelagicechogram,settheStartRangevalueto20meters.Thiswillmake
theechogramstartfrom20metersbelowtheseasurface(providedthatthe
transduceroffsethasbeendened).SetRangeto40meters.Theechogram
willnowshowtheareafrom20metersbelowtheseasurface,anddownto
60metersbelowthetransducer.Providedthatthedepthislargerthan60
meters,thebottomcontourisnotshown.
Relatedtasks
Selectingwhichechogramtypetouse,page106
Changingthesizeoftheechogramviews,page109
AdjustingtheTVGintheEchogramdialogbox,page114
Selectingthehorizontalscaleintheechograms,page116
Addingscalelabelstotheechograms,page117
Enhancingthebottomcontourintheechograms,page118
Addingverticalmarkerlinestotheechogram,page119
Addinghorizontaldepthlinestotheechograms,page120
Addingavariabledepthlinetotheechogram,page121
Addingautomatictrawllinestotheechogrampresentation,page121
Addingmanualtrawllinestotheechogrampresentation,page122
Relateddialogboxes
Echogramdialogbox,page419
Echogram:Echogrampage,page424
Trawlechogramdescription
TheTrawlechogramcoverstheverticalopeningofthetrawlwithreferencetothedepth
oftheheadrope.Inadditiontothetrawlopening,theechogramcoversacertainrange
overandunderthetrawlopening.Youcanselectthestartrange(thedepthfromwhich
theechogramstarts)andtheverticalrange(thevertical"length"oftheechogram)by
meansoftheStartRangeandRangesettings.BoththeRangeandtheStartRange
functionsarelocatedontheMainmenu.
Howtoopen
ToactivateTrawlechogram,clickinthechosenview
tomakeit"active".SelectEchogramontheActive
menu.SelecttheEchogramtabtoopenthepage.OntheEchogrampage,setEchogram
typetoTrawl.
Userinterface