Simrad ES80 - Bottom Gain Function

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•2of3
Forthecurrentechotobeshown,thesameechomustbepresentinatleasttwo
ofthepreviousthreepings.
•2of2
Forthecurrentechotobeshown,thesameechomustbepresentinbothof
theprevioustwopings.
•3of3
Forthecurrentechotobeshown,thesameechomustbepresentinallofthe
previousthreepings.
ApplytoAll
Selectthisboxtousethechosensettingonalltheechogramsofthesametype.
Relatedtasks
Removingnoiseandfalseechoesfromtheechogram,page111
BottomGainfunction
TheBottomGainsettingcontrolsthegainbelow
thedetectedbottomdepth.
Howtoopen
ThisfunctionisopenedfromtheActivemenu.
Description
Differentbottomconditions(rock,sand,mudetc)willresultindifferentbottomechoes
intheES80echograms.Bychangingthebottomgain,thepresentationischanged
dependingonthebottomtype.Youcanthuslearnmoreaboutthebottom.
Certainspeciesareknowntopreferspecicbottomconditions.Withmoreknowledge,
youarebetterqualiedtoestimatethepossiblecatch.
Example
ThetypicaleffectoftheBottomGainadjustment
SimradES80ReferenceManual