Simrad SU90 - Adjusting the Echo Sensitivity

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2Turntherelevantrotaryswitchtomaketheadjustment.
Tip
TheOperatingPanelisttedwiththreerotaryswitches.Theswitchesareidentied
withnumbers.Eachswitchcanbeassignedafunctionrelatedtorange,gainor
bearing.InvestigatethefunctionalityprovidedontheOperatingPanelpage.This
pageislocatedintheInstallationdialogbox.
Optionally:
3ObservetheMainmenu.
ItsdefaultlocationisontherightsideoftheSU90presentation.
4SelectRange.
5Makethenecessaryadjustment.
Select[+]or[-]tochoosetherequestedsetting.
or:
Placethecursoronthebutton.Pressandholdtheleft
mousebutton.Movethe
cursorhorizontallyoverthebutton.Releasethemousebuttonwhenrequested
valueisshown.
or:
Selectthemiddleofthebuttontoopenit.Ifyouhaveakeyboardconnectedtothe
SU90,youcantypetherequestedvalue.
or:
Selectthemiddleofthebuttontoopenit.Selectavaluefromtheoptionsprovided.
6OpenthebuttonandselectApplytoallifyouwishtousethechosensettinginall
theviewsinthecurrentpresentationmode.
Relatedtopics
Startingnormaloperation,page17
Adjustingtheechosensitivity
Someechoesareweakwhileothersarestronger.Tocompensateforthisitisoften
necessarytoadjustthesensitivityoftheSU90.Thisadjustmentiscommonlyreferred
toasgain.
Context
Youcancomparethisgainsettingwiththevolumecontrolonyourcarradio.When
thegainisincreased,theechoeswillappearstronger.Weakechoeswillbeeasierto
SimradSU90QuickStartGuide