Combination Key Function - Baofeng BF-T8 User Manual

Description of the Buttons

Combination key function

Call Tone: Press and hold [PTT] button and[MONI]button to transmit 1750Hz
tone signaling,Release the [MONI]button to exit;Press and hold [PTT] button
and[FM]button to transmit 1450Hz tone signaling;Press and hold [PTT] button
and[ ]button to transmit 1750Hz tone signaling.
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