Simrad SN90 Operator's Manual page 133

Purse seine and trawling sonar
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2
Open the cabinet door.
WARNING
High voltages are used. This equipment must be serviced only by qualified
personnel familiar with high-voltage equipment and the potential hazards
involved. Failure to observe this precaution could result in bodily injury.
3
Locate the
Hoist/Lower Switch
This is for safety reasons.
4
Lowering the transducer:
a
Locate the
b
Open the transparent plastic cover on the front of the contactor.
c
Use a small screw driver, and press the spring return actuator to apply voltage
to the motor.
d
Lower the transducer and STOP before you reach the bottom position.
5
Hoisting the transducer:
a
Locate the
b
Open the transparent plastic cover on the front of the contactor.
c
Use a small screw driver, and press the spring return actuator to apply voltage
to the motor.
d
Hoist the transducer and STOP before you reach the upper position.
6
Locate the
Hoist/Lower Switch
Note
For normal operation from the Operating Panel, the switch must be set to REMOTE.
7
Close the cabinet door.
Related topics
Lowering and hoisting the transducer from the sonar room, page 125
381295/B
(S302). Set the switch to position STOP.
(K302) on the right side.
Lowering Contactor
(K301) on the left side.
Hoisting Contactor
(S302). Set the switch to position REMOTE.
Operating procedures
131

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