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TrawlLinedescription
TheTrawlLinefunctionisusedtoshowyouwheretheheadropeand/orfootropeof
yourtrawlarelocated.
Howtoopen
ToactivatetheTrawlLinefunction,clickinthe
echogramviewtomakeit"active".
SelectEchogramontheActivemenu.SelecttheLines
tabtoopenthepage.OntheLinespage,enablethe
TrawlLinefunction.
Description
Trawlsensorsystems(suchasSimradPI,PXand
ITI)communicateheadropedepth,and/orthedistance
fromtheheadropetothefootrope(trawlopening),to
theES80atregularintervals.Theinformationcanbe
usedtodrawtheupperand/orlowertrawllinesinthe
ES80echogram.Ifanothertrawlorcatchmonitoring
systemisused,andthissystemdoesnotprovidethetrawlopeningand/ortrawldistance
automatically,thevaluesmustbeenteredmanually.
Ifyouhaveacompatiblecatchmonitoringsysteminuse,youcanusetheTrawlLine
functiontomonitorthedepthoftheapplicablesensors.
Thedistancefromtheheadropetothefootrope(trawlopening)canbemanuallyseton
theTrawlpage.Thisisusefulfortrawlsensorsystemsthatdonotmeasurethetrawl
opening,orwhenthemeasureddistanceisunreliable.Youcanalsoprovidethedistance
fromthevesseltothetrawlopening.Thedepthoftheheadropemusthoweverbe
importedfromthecatchmonitoringsystem.TheTrawlpageislocatedintheInstallation
dialogbox.
Thisisavisualenhancement.ItdoesnothaveanyeffectontheES80performance.
Relatedtasks
Enhancingthebottomcontourintheechograms,page118
Addingverticalmarkerlinestotheechogram,page119
Addinghorizontaldepthlinestotheechograms,page120
Addingavariabledepthlinetotheechogram,page121
Relateddialogboxes
ManualAnnotationdialogbox,page342
Installationdialogbox,page346
Annotationspage,page382
Userinterface