Motorola APX 4000 User Manual page 50

A
The PTT button
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.
46
English
on the side of the radio serves two
• While a call is not in progress, the PTT button is
used to make a new call. See
on page 67 for more information.
Making a Radio Call