Monitoring Features; Monitoring A Channel - Motorola Astro APX Mobile 05 control head User Manual

Monitoring Features

Radio users who switch from analog to digital radios often
assume that the lack of static on a digital channel is an
indication that the radio is not working properly. This is not the
case.
Digital technology quiets the transmission by removing the
"noise" from the signal and allowing only the clear voice or data
information to be heard.
Monitor a channel to ensure the channel is clear before
transmitting.

Monitoring a Channel

Procedure:
Lift the microphone off hook.
Conventional Modes Only:
1
Listen for activity on that channel.
2
Adjust the Volume knob if necessary.
3
If you hear no activity, press and hold the PTT button to start
your conversation.
OR
36
English
Trunked Modes Only:
1
Press the PTT button.
2
If you hear two, short, high-pitched tones, or if you hear no
t
tone and the indicator lights steadily, then proceed with
your message.
3
Release the PTT button to receive (listen).
If you are not in the range of the system, you may hear a
continuous low-pitched tone and the display shows
RANGE
.
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