Simrad SU90 - Adjusting the Stabilisation Sensor Offset; Estimating the Offset Angle

SimradSU90
4Checkthattheechopictureonthedisplayiscorrectinrelationtotheambient
situation.
Ifnot,makeaneadjustmentofthealignment.
[_____]Ok
5Inordertoverifythealignment,aparticulartargetsuchasabuoyisrequired.
Whenthealignmentiscorrect,writedowntheanglehere:
Alignmentcorrection(degrees):
[_____]Ok
Adjustingthestabilisationsensoroffset
Independentofthehullunitorientation,theoffsetofthestabilisationsensorisalways
dened.
Topics
•Estimatingtheoffsetangleonpage194
•EnteringthestabilisationoffsetangleintotheSU90onpage195
Estimatingtheoffsetangle
Figure3Offsetangledenition
Purpose
Thisprocedureexplainshowyoucanverifytheapproximateoffsetangleforthe
stabilisationsensor.
Tip
Theoffsetangleisalsomeasuredduringtheproductiontesting.Observethestickeron
theinsideoftheMotorControlUnitdoor.
Procedure
1Locatethe0degreestransducermark.
[_____]Ok
2Verifytheapproximateoffsetangle(0to360degrees)clockwisefromthe0degrees
transducermarktothe0degreesreferencestabilisationmark.
[_____]Ok
3Recordtheestimatedoffsetangle.Writeitdownhere:
Offsetangle(degrees):
[_____]Ok
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