The cradle charger indicator LED on the front of the charging lights when it is receiving voltage from the AC adapter:

RED means the batteries are charging.

GREEN means the batteries are fully charged. You should charge the battery pack for about 3.5 hours.

Attach the battery pack to the radio when it is finished charging.

CAUTION

Remember to remove the radio after about 3-4 hours of charging time on the charger to maximize battery life. Overcharging batteries may result in damage to both the battery pack and radio.

2. Installing the Antenna

You will need to make sure that the flexible antenna is attached to the radio. Ensure the radio is turned OFF anytime that the antenna is not connected.

Installing the antenna:

Rotate the antenna clockwise to fasten securely to the threaded connector on the top of the radio.

Note: Do not operate the radio or press PTT key without an antenna installed.

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Lowrance LHR-20/22Operation Instructions

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Image 8
Lowrance electronic LHR-20 manual Installing the Antenna, Installing the antenna