Simrad ST90 - Changing the Vertical Angle of the Sonar Beams

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4SelectGain.
5Makethenecessaryadjustment.
Select[+]or[-]tochoosetherequestedsetting.
or:
Placethecursoronthebutton.Pressandholdtheleft
mousebutton.Movethecursor
horizontallyoverthebutton.Releasethemousebuttonwhenrequestedvalueisshown.
or:
Selectthemiddleofthebuttontoopenit.Ifyouhaveakeyboardconnectedtothe
ST90,youcantypetherequestedvalue.
6OpenthebuttonandselectApplytoallifyouwishtousethechosensettinginallthe
viewsinthecurrentpresentationmode.
Relatedtopics
Startingnormaloperation,page19
Changingtheverticalangleofthesonarbeams
Inordertodetectshorschoolsinthewatercolumnyoumayneedtochangetheangleof
thesonarbeams.Thesonarbeamscanbetiltedelectronicallyfrom-10to+84degrees.
Context
ThecurrenttiltisshownwithasolidlineintheV erticalview.IntheHorizontalview,the
currentsettingsforrange,gainandtiltareshowninthetopleftcorneroftheview.
At0°tiltthesonarbeamistransmittedparallelwiththeseasurface,while84degreestilt
willdirectittowardsthebottom.
SimradST90QuickStartGuide