Simrad SU90 - Page 31

409977/B
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b[Sonarroom]Whenthetransducershaftstops,makesurethishappensatthe
correctmiddleposition.
5Lowerthetransducertoitsbottomposition.
aOntheOperatingPanel,pressDown.
Whilethetransducerismovingtheindicatorlampashes,andanaudible
signalissounded.Whentherequestedpositionhasbeenreached,theindicator
lampislit,andtheaudiblesignalstops.
b[Sonarroom]Whenthetransducershaftstops,verifythatthecorrectbottom
positionhasbeenreached.
6Hoistthetransducertoitsmiddleposition.
aOntheOperatingPanel,pressMiddle.
b[Sonarroom]Whenthetransducershaftstops,makesurethishappensatthe
correctmiddleposition.
7Hoistthetransducertoitsupperposition.
aOntheOperatingPanel,pressUp.
Whilethetransducerismovingtheindicatorlampashes,andanaudible
signalissounded.Whentherequestedpositionhasbeenreached,theindicator
lampislit,andtheaudiblesignalstops.
b[Sonarroom]Whenthetransducershaftstops,verifythatthecorrectupper
positionhasbeenreached.
8Lowerthetransducertoitsbottomposition.
aOntheOperatingPanel,pressDown.
b[Sonarroom]Whenthetransducershaftstops,verifythatthecorrectbottom
positionhasbeenreached.
9Hoistthetransducertoitsupperposition.
aOntheOperatingPanel,pressUp.
b[Sonarroom]Whenthetransducershaftstops,verifythatthecorrectupper
positionhasbeenreached.
10Notifythesonarroomtodothenextstep.
11[Sonarroom]LocatetheHoist/LowerSwitch(S302).SettheswitchtopositionSTOP.
12PowerdowntheSU90.
IfthetransducerisloweredwhenyouturnofftheSU90,itisautomaticallyretracted
toitsupperposition.TheTransceiverUnitisturnedoff.TheSU90programcloses
down.
13Notifythesonarroomthatthetestisnished.
TestingtheSU90operationalfunctionality