
Operationalprocedures
3Intheparameterdialog,selectthemenulevelyouwishto
use.
4ClickClosetoexit.
Gainadjustmentprocedures
Thissectionexplainshowtocontrolthemanualandautomatic
gainsettingsontheSH90sonar.
Howtoadjustthegain
Youcanadjustthesonargainbymeansofthecontrolbuttons
ontheOperatingPanel,orbyusingtheGainbuttononthe
HorizontalandVerticalmenus.
1OntheOperatingPanel,locatetheGaineld.
2PresstheGainH+orGainH-buttonstoincreaseordecrease
thegaininthehorizontalpresentation.
3PresstheGainV+orGainV-buttonstoincreaseordecrease
thegainintheverticalpresentation.
Alternativemethod
1Inthesonar’smenusystem,clicktheGainbuttononthe
HorizontalorVerticalmenustoadjustthegain.
ClicktheleftorrightsideoftheGainbuttontodecreaseor
increasethegain,orthemiddleofthebuttontoopenthe
parameterdialog.
Formoreinformationaboutthisparameter,seeAboutGainon
page180.
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