Simrad ST90 - Page 172

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•SpeedVector
SpeedVectorshowsyouthepredictedcourseandspeedofthetrackedtarget.The
predictionisbasedontarget’scurrentmovements.Theestimateislimitedtooneminute.
Theinformationisprovidedwithalineindicatingthetarget’scourse.Thelengthof
thelinereectsitsspeed.
•BowMarker
Thisfunctiondisplaysadottedlinedrawnfromthebowofthevesselsymbol.The
linereectsyourvessel’scurrentheading.
Donotconfusethislinewiththebearingline.
•CurrentVector
Thisfunctionshowsyouthespeedanddirectionofthewatercurrentunderyourvessel.
Thefunctiondrawsalinestartingunderthevesselsymbol.Thedirectionoftheline
indicatesthedirectionofthewatercurrent.Thelengthofthelinereectsitsspeed.
Forthisfunctiontowork,aseacurrentmetermustbeconnectedtotheST90.Theuseof
anADCP(AcousticDopplerCurrentProler)isrecommended.
SimradST90OperatorManual