Installation manual

Table Of Contents
SimradSH90
Parameterdescriptions
About
Dialogdescription
TheAboutparameterdialogisopenedwiththeAboutbutton
ontheSystemtestmenu.
TheAboutdialogisonlyusedtoprovideinformationaboutthe
currentsoftwareversion.Inaddition,theVersionsbuttonopens
asmalltextdocumentwithdetailedsysteminformation.This
informationisnotintendedforoperationaluse.
Relatedtopics
SystemTestmenuonpage105
AGC
Dialogdescription
TheAGCparameterdialogopenswhenyouclicktheAGCbutton
intheHorizontal,VerticalandVertical180menus.
TheAGC(AutomaticGainControl)functionadjuststhegain
inthesonarspreampliercircuitry.Thisgaindependsonthe
strengthoftheincomingechosignal.Theresultisaltereffect,
reducingnoiseandreverberation.Asshowinthemenu,theAGC
hasfourdifferentsettings.
AGCdialogoptions
Off:Nogainadjustment
Weak:Slowgainadjustment
Medium:Mediumfastgainadjustment
Strong:Fastgainadjustment
Close:Clicktoclosetheparameterdialog.
Help:Clicktoaccesstheon-linehelp.
Relatedtopics
Horizontalmenuonpage93
Verticalmenuonpage95
Vertical180menuonpage96
WhatisAGC?onpage179
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