Simrad ST90 - Turning on the Entire ST90 System for the First Time

442703/B
289
TurningontheentireST90systemforthersttime
WhenthemainST90unitshavebeenturnedonindividually,youcanturnontheentire
systemforthersttime.Itisveryimportantthatthisdoesnot
takeplacewhilethevessel
isindrydock.Thetransducermaybedamagedifittransmitsinopenair.
InordertoturnontheST90forthersttimeinacontrolledmanner,twotasksmustbe
donesimultaneously.Twopersonsarerequired.
•OnepersonmuststayonthebridgeinordertooperatetheST90.
•OnepersonmuststayinthesonarroomtoverifythattheTransceiverUnitstarts,and
thatthehullunitworksproperly.
Certainstepsinthetwoproceduresarelocationspecic.Thestepsmarked[Sonarroom]
aredoneinthesonarroom.Thestepsmarked[Bridge]aredoneonthebridge.
Note
Properoralcommunicationmustexistbetweenthebridgeandthesonarroom.Inthe
eventofproblemsormalfunctions:
1LocatetheMotorProtectingSwitch(S301).
2SettheswitchtopositionOFF .
WARNING
Thetransducermaybedamagedifittransmitsinopenair.
Topics
Turningontheentiresystem-Preparations,page289
Turningontheentiresystem-Bridgesteps,page290
Turningontheentiresystem-Sonarroomsteps,page292
Turningontheentiresystem-Preparations
BeforeyoucanturnontheentireST90system,youmustconnectthetransducercable,
andpreparethehullunitforremotecontrol.Itisveryimportantthatthisdoesnot
take
placewhilethevesselisindrydock.
Prerequisites
TheST90isinstalledasspeciedinthismanual.ThedoorontheTransceiverUnitis
removed.Neithertoolsnorinstrumentsarerequired.
Context
HowtoturnontheST90fordailyuseisexplainedintherelevantend-usermanuals.
Settingtowork