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•NoiseFilter
TheNoiseFilterremovesunwantedacousticnoisefromtheST90presentation.Itreduces
theinterferencefromotheracousticsystems(sonarsandechosounders),aswellasthe
noisefromthepropellers.
•HorizontalScroll
TheHorizontalScrollfunctioncontrolshowfasttheechopresentationshallmovefrom
righttowardsleftintheEchogramview.The"speed"iscontrolledbyadjustingthe
numberofpixelsusedtopresenteachping.Ahigherspeedreducestheresolution.
•VerticalReference
ThefunctionisonlyavailableintheVerticalview,aswellastheverticalNavigationview.
SimradST90QuickStartGuide