Motorola APX 4500 O2 CONTROL HEAD Manual - Página 9

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APX 4500 O2 CH

IDENTIFYING RADIO CONTROLS

 Push-To-Talk (PTT) Button

The PTT button on the side of the radio 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.

PTT

Channel

Announcement

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