11
Radio（FM）
Frequency - Frequency +
Volume- Volume+
Volume- Volume+
FM on/off
Switching channels
Volume adjustment
FM with a total of 7 volume levels
When using FM alone
When FM + intercom
The device can search and play the radio stations automatically.
FM can be used when talking to each other, and we can listen to the radio while talking.
Press and hold <plus key> + <minus key>
(approx. 1s) The prompt " FM Radio ".
Press and hold <plus key> + <minus key>
(approx. 1s) The prompt " FM Radio Off ".
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