In the case of your radio, this answer is incorrect if you are getting them after digital transmissions. On the Yaesu FTM-400XDR to turn off the beep after someone transmist you want to go to the setup screen. then press the TX/RX button. Then Press Digital button. Then set option 4 Standby Beep to Off.
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In the case of your radio, this answer is incorrect if you are getting them after digital transmissions. On the Yaesu FTM-400XDR to turn off the beep after someone transmist you want to go to the setup screen. then press the TX/RX button. Then Press Digital button. Then set option 4 Standby Beep to Off.
He is correct, it is called a talk permit beep. The other users have decided it is useful instead of saying "over". I personally dislike it.
The beep you are hearing is being transmitted by the other radios.