JRC JLN-550 Instruction Manual page 3

Thank you for purchasing the Japan Radio Co., Ltd. JLN-550 Doppler Sonar. The JLN-550 conforms to
the IMO (International Maritime Organization) performance standards, provides accurate displays of
ship's speed over a wide range from dead slow to maximum.
Before attempting to operate this equipment, read this instruction manual thoroughly to ensure correct and
safe operation in accordance with the warning instructions and operation procedures.
You are strongly recommended to store this instruction manual carefully for future reference.
In the event that you have an operational problem or malfunction, this manual will provide useful
instructions.
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General Information
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