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381291/C

reducestheminimumlevel,andthisincreasesthesensitivity.Onlyechoesoverthe

minimumlevelareshownintheechogram(C).

DonotconfusethisGainsettingwiththeTVG(TimeV ariedGain)setting.

Tip

Duringnormaloperatingconditionswerecommendthatyoukeepthegainbetween15

and30.Ifyouneedtoadjustthegain"fromscratch"disableAGC(AutomaticGain

Control)andRCG(ReverberationControlledGain)toseetheimmediateeffectofthe

gainadjustments.Whileyouadjustthegainyoumaynditusefultohaveaknown

target(forexampleanisland)asreference.

Procedure

1Clickintheviewyouwanttoactivate.

Theactiveviewisidentiedwithathickerborder.UnlessyouusetheApplytoall

function,allchangesyoumakewillonlybeappliedtothisview.

2Turntherelevantrotaryswitchtomaketheadjustment.

Tip

TheOperatingPanelisttedwiththreerotaryswitches.Theswitchesareidentied

withnumbers.Eachswitchcanbeassignedafunctionrelatedtorange,gainor

bearing.InvestigatethefunctionalityprovidedontheOperatingPanelpage.This

pageislocatedintheInstallationdialogbox.

Optionally:

3ObservetheMainmenu.

4SelectGain.

5Makethenecessaryadjustment.

6OpenthebuttonandselectApplytoallifyouwishtousethechosensettinginall

theviewsinthecurrentpresentationmode.

Relatedtopics

Controllingthegainandrangesettings,page56

Operatingprocedures

Simrad SU90 User Manual

Other manuals for Simrad SU90