JRC JFS-280 Instruction Manual page 67

Scanning sonar
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Precautions
● To prevent accidental operations, it does not extend if the button
is pressed only briefly.
● The storage (up) operation starts after the [SHED] button is
pressed and then released.
Stopping extension/storage operations
The sonar's hoisting device cannot be stopped while extending or storing.
3-5
3 Operating procedures
3

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