Simrad ES80 - Page 418

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•School(20logR)
Thisgainsettingoffersweakeramplicationclosetothebottom.Ithasbeen
designedtoprovidethebestechoesforschools.Thephysicalsizeofaschool
allowsyoutodetectitevenwithreducedgain.
•Fish(40logR)
Thisgainsettingprovideslargeramplicationclosertothebottom.Ithasbeen
designedtoprovidethebestechoesfromsinglesh.
•Targets(40logR)
ThissettingusesthesameTVGamplicationasFish(40logR),butadditional
lteringandcompensationisimplemented.
Onlyechoesdetectedandinterpretedassingleshareshown.Theechoesare
compensatedfortheirphysicalpositioninthebeam(beamcompensation).
Thismeansthatshintheouterregionofthebeamareadjustedtocorrectsize
eventhoughtheirechoesareweaker.
Note
ThisTVGsettingonlyworkswithsplitbeamtransducers.
•TargetMix(40logR)
ThissettingusesthesameTVGamplicationasFish(40logR),butadditional
beamcompensationisimplemented.Echoesdetectedandinterpretedassingle
shareadjustedtotheircorrectsizeaccordingtotheirphysicalpositionin
thebeam.
Note
ThisTVGsettingonlyworkswithsplitbeamtransducers.
•User
ThissettingallowsyoutodeneyourownTVGsetting.Tochooseyourown
TVGcurve,usethededicatedfunctionintheEchogramdialogbox.
Note
Thesettingyouchoosewillonlybevalidforthecurrently"active"echogram.The
"active"echogramviewisidentiedwithathickerborder.Normally,youmustrst
clickinthechosenechogramto"activate"it,andthenchoosethesettingyou
wishtouse.
ApplytoAll
Selectthisboxtousethechosensettingonalltheechogramsofthesametype.
SimradES80ReferenceManual