Simrad EK15 - Page 70

SimradEK15
cFish(40logTVG)
Thisgainsettingprovideslargeramplicationclosetothebottom.Ithasbeen
designedtoprovidethebestechoesfromsinglesh.
dTargets(40logTVG)
Basically,thissettingusesthesameTVGamplicationasFish,butadditional
lteringandcompensationisimplemented.Onlyechoesdetectedandinterpretedas
singleshareshown.Theechoesarecompensatedfortheirphysicalpositioninthe
beam(beamcompensation).Thismeansthatshintheouterregionofthebeamare
adjustedtocorrectsizeeventhoughtheirechoesareweaker.
NotethatthisTargets(40logTVG)settingisonlyfunctionalwithsplitbeam
transducers.
eTargetMix(40logTVG)
Basically,thissettingusesthesameTVGamplicationasFish,butadditionalbeam
compensationisimplemented.Echoesdetectedandinterpretedassingleshare
adjustedtotheircorrectsizeaccordingtotheirphysicalpositioninthebeam.
NotethatthisTargetMix(40logTVG)settingisonlyfunctionalwithsplitbeam
transducers.
fUser(VariableTVG)
ThissettingallowsyoutodeneyourownTVGsetting.
Relatedtopics
•AdjustingtheTVGgainontheActivemenuonpage76
•Echogram;Echogramtabonpage210
•TVGgainonpage275
Procedure
1ClicktheActiveicon.
ThisiconislocatedundertheMainmenu.ItisusedtoopentheActive
menu.
2ClickEchogramtoopentheEchogramdialogbox.
TheEchogramdialogboxallowsyoutosetuptheparameterscontrollingthe
echogrampresentation.Thethreetabscontrolthehorizontallines,theechogram
typewithappliedTVG,andhowfasttheechogrammovesacrossthedisplay.
3OntheEchogramtab,observethevariousTVGsettingsthatcanbeapplied.
4ChooseyourTVGsetting.
Tip
Thechangesmadeherewillbydefaultonlybeappliedtothecurrentlyselected
“active”echogram(identiedwithathickborder).Ifyouwishtoapplythe
changestoalltheotherechogramsofthesametype(forexampleallbottomrelated
echograms),clickApplyToAll.
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