Kongsberg Simrad SU90 Manual page 31

Bridge steps, page 31
Sonar room steps, page 33
Bridge steps
These tasks are done on the bridge.
Prerequisites
The SU90 system is turned on and operates normally. Neither tools nor instruments are
required.
Context
Certain steps in the procedures are location specific. The steps marked [Sonar room] are
done in the sonar room.
Procedure
1 Make sure that you have sufficient water depth below the keel before you lower
the transducer.
2 [Sonar room]:
a Use a spanner to open the door on the Motor Control Unit.
b Locate the
c Locate the
d Close the door on the Motor Control Unit.
or:
a On the Hull Unit Controller: Set the mode switch to position REMOTE.
3 Lower the transducer to its middle position.
a On the Operating Panel, press
While the transducer is moving the indicator lamp flashes, and
an audible signal is sounded. When the requested position has
been reached, the indicator lamp is lit, and the audible signal
stops.
b [Sonar room]: When the transducer shaft stops, make sure this
happens at the correct middle position.
4 Lower the transducer to its bottom position.
a On the Operating Panel, press
409977/C
Motor Protecting Switch
(S302). Set the switch to position REMOTE.
Hoist/Lower Switch
Middle
Down
(S301). Set the switch to position ON.
.
.
Test procedures
31