Simrad ST90 - Turning on the ST90 for the First Time; Verifying that Operational Power Is Correct

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442703/B
TurningontheST90forthersttime
Topics
Verifyingthatoperationalpoweriscorrect,page276
TurningontheProcessorUnitforthersttime,page277
SettinguptheOperatingPanel(Mk2),page278
TurningontheTransceiverUnitforthersttime,page281
TurningontheST90toPassivemode,page282
MeasuringtheBITEnoisewiththetransducerdisconnectedfromtheTransceiverUnit,
page283
MeasuringtheB-ScannoisewiththetransducerdisconnectedfromtheTransceiver
Unit,page285
ConnectingthetransducercablestotheTransceiverUnit,page287
TurningontheentireST90systemforthersttime,page289
TurningontheST90,page294
Verifyingthatoperationalpoweriscorrect
TheST90operatesonACpowerfromthevessel’smainssupply.BeforeyouapplyAC
powertoanyST90unit,youmustverifythatthevoltageiscorrect.
Prerequisites
Beforeyoucandothistask,thefollowingprerequisitesmustbemet:
•AllST90hardwareunitshavebeeninstalledaccordingtotherelevantinstructions.
•Allsystemcableshavebeeninstalled.
•Alloperatingpowerisavailable.
•Allrelevantpersonnel(shipselectrician)andtools(forexampleavoltmeter)are
available.
Procedure
1ForeachST90unitthatoperatesonACmains:
aIfnecessary,measurethevoltageinthemainsoutlet.
bMakesurethattherelevantST90unitcanoperateonthepowerprovided.
2Makesurethateachcircuitbreakeronthepowercircuitcanhandletheloadwhen
theST90isturnedon.
SimradST90InstallationManual