406273/C
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8SelectEchogram.
ObservethattheEchogramdialogboxopens.
9SelecttheLinestabtoopenthepage.
10Selecttheannotationtypesyouwishtoseeinyourechogram.
11Applythechange(s)youhavemade.
aSelectApplyifyouwishtoapplythechosensettingonlytothecurrentlyactive
echogramview.
bSelectApplytoAllifyouwishtousethechosensettingonalltheechograms
ofthesametype.
12Closethedialogbox.
Investigatingthesub-bottomconditions
TheBottomGainsettingcontrolsthegainbelow
thedetectedbottomdepth.Thisgives
youinformationaboutthecurrentbottomconditions.
Context
Differentbottomconditions(rock,sand,mudetc)willresultindifferentbottomechoes
intheES80echograms.Bychangingthebottomgain,thepresentationischanged
dependingonthebottomtype.Youcanthuslearnmoreaboutthebottom.
Certainspeciesareknowntopreferspecicbottomconditions.Withmoreknowledge,
youarebetterqualiedtoestimatethepossiblecatch.
ThetypicaleffectoftheBottomGainadjustment
Procedure
1Clickinanyechogramviewtomakeit"active".
Thesettingyouchoosewillonlybevalidforthecurrently"active"echogram.The
"active"echogramviewisidentiedwithathickerborder.
2OpentheActivemenu.
Operatingprocedures