Simrad ES80 - Active Menu; Functions and Dialog Boxes; TVG Function

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Activemenu;Functionsanddialogboxes
TheActivemenuoffersparametersrelatedtocurrentviewsanddatapresentationsshown
bytheES80.
Howtoopen
SelecttheActiveicon.
TheiconislocatedundertheMainmenu.Selectthe
icononemoretimetoclosethemenu.
Contextsensitivity
Thechoicesinthismenudependonwhichechogramin
theES80presentationiscurrently"active".
Toactivateanechogram,clickinit.The"active"echogramisshownwithathicker
borderframe.
Topics
TVGfunction,page414
Ping-PingFilterfunction,page417
BottomGainfunction,page418
Echogramdialogbox,page419
BottomDetectiondialogbox,page430
InformationPaneOptionsdialogbox,page433
ColourScalepage,page434
SizeDistributionpage,page438
TVGfunction
TVG(TimeV ariableGain)compensatesforthelossofacousticenergyduetogeometric
spreadandabsorption.Thismakesthetargetswiththesamestrengthappearwiththe
sameintensityindependentoftheirphysicaldistancefromthetransducer.
Howtoopen
ThisfunctionisopenedfromtheActivemenu.
SimradES80ReferenceManual