Simrad ST90 - Choosing Operating Mode and Transmit Parameters

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Topreventseriousdamagetothevesselorthevesselstability,youmusthaveawater
pumpandawarningsysteminthesonarroom.
Procedure
1Makesurethatyouhavesufcientwaterdepthbelowthekeelbeforeyoulowerthe
transducer.
2SelectHullUnitonthetopbartoopentheHullUnitdialogbox.
3TolowerthetransducerselectDown.
4TohoistthetransducerselectUp.
5Tomovethetransducertoitspredenedmiddleposition,selectMiddle.
RetractingthetransducertoamiddlepositionmaybeusefulifyouusetheST90
simultaneouslywithothersonars.Ahigherpositionwillpermityoutoincreasethe
vesselspeed.Ifyouoperateinveryshallowwaters,youmayalsoreducetherisk
ofhittingbottom.However,placingthetransducerimmediatelyunderthehullmay
increasetheownoise.
Relatedtopics
Gettingstarted,page48
TurningontheST90,page48
TurningofftheST90,page50
TurningofftheST90
WhenyoudonotusetheST90,turnofftheentiresystem.TopowerdownthethreePower
SupplyUnitsandtheTransceiverUnit,usethefunctionalityintheST90program.
Context
WhenyoudonotusetheST90,turnoffthedisplayandtheProcessorUnit.
Procedure
1SelectPowerOffonthetopbar.
InthePowerOffdialogbox,selectPowerofforExittoOperatingSystem.
•PowerOffturnsofftheProcessorUnitandtheTransceiverUnit.
•ExittoOperationSystemclosestheST90program,andturnsoffthe
TransceiverUnit.
•Bothfunctionswillalsoretractthetransducer.
SimradST90OperatorManual