TM
APX
7500 O5
Push-To-Talk (PTT) Button
The PTT button on the side of the microphone serves
two basic purposes:
•
While a call is in progress, the PTT button allows the
radio to transmit to other radios in the call.
Press and hold down PTT button to talk. Release the
PTT button to listen.
The microphone is activated when the PTT button is
pressed.
•
While a call is not in progress, the PTT button is used
to make a new call.
Identifying Radio Controls
24
Push-to-Talk
(PTT) Button
Scan On of Off
Not Programmed
Not Programmed
Index