Simrad SU90 - Checking the Hoist;Lower Functionality from the Sonar Room

Settingtowork
bCheckthattheLEDnexttotheUpbuttonstartstoash,andthattheaudible
signalindicatestransducermovement.
[_____]Ok
cWhenupperpositionhasbeenreached,checkthattheLEDnexttotheUp
buttonilluminatescontinuously,thattheaudiblesignalstops,andthattheupper
buttonintheStatusmenushowsTransducer:UP.
[_____]Ok
11Notifythesonarroomtoperformthenextstep.
[_____]Ok
12[Sonarroom]Setthehoist/lowerswitchS302intheMotorControlUnittoSTOP
position.
13Switchoffthesonar.
aPressandholdthePowerbuttonontheOperatingPanelforapproximately
threeseconds.
bCheckifthegreenLEDnexttothebuttonextinguish,andthatthesonarpicture
ischangedtopresentthepoweroffsequence.
[_____]Ok
14Notifythesonarroomthatthetestisnished.
[_____]Ok
Checkingthehoist/lowerfunctionalityfromthesonarroom
Note
Theinstructionsmarked[Bridge]areperformedonthebridge.Notethatthose
proceduresaremoredetailedthatwhatispresentedhere.
Thisproceduremustbeperformedsimultaneouslywiththeprocedureandchecklistinthe
previousprocedure;Checkingthehoist/lowerfunctionalityfromthebridgeonpage185.
Purpose
Thisprocedureexplainshowtotestthehoist/lowerfunctionalityfromthesonarroom
Procedure
1Checkthatthedepthunderthekeelissufcienttosafelylowerthetransducer.
[_____]Ok
2[Bridge]Startthesonar.
3SetthemotorprotectingswitchS301intheMotorControlUnittoONbypressing
theoperatinghandleupwards.
[_____]Ok
4Setthehoist/lowerswitchS302intheMotorControlUnittoREMOTE.
[_____]Ok
5[Bridge]Lowerthetransducertoitsmiddleposition.
381293/A
187