General Operation; Turning The Radio On / Off & Volume; Selecting Channels; Transmitting - GME Commercial CP40 Series Instruction Manual

Please refer to the diagrams on the 'Controls' page for a general description of the controls and keys.
TURNING THE RADIO ON / OFF & VOLUME:
Rotate the Volume knob clockwise past the 'click' to switch the radio on.
Continue to rotate the Volume knob clockwise to increase the volume.
Rotate the Volume knob counter-clockwise to decrease the volume.
Continue to rotate the Volume knob counter-clockwise past the 'click' to switch the radio off.
NOTE:
If there are no signals available when adjusting the volume, setting the volume knob to the
10 o'clock position will ensure sufficient volume to hear incoming signals when they occur.

SELECTING CHANNELS:

To select a channel, rotate the Channel Knob or press
If your radio has only one channel, an alert beep will be heard when you try to select
another channel.
NOTE: Your dealer can program your radio to save individual channels to programmable keys for
quick selection. Please refer to your dealer.

TRANSMITTING:

Before transmitting, check if the channel is already in use. If the channel is busy, wait until it is clear
before transmitting.
1. Press and hold the Push-to-Talk (PTT) key. Hold the radio 3-5 cms from your mouth and
speak into the microphone at a normal voice level.
2. Release the PTT key when you have finished talking.
When transmitting, the status LED is Red and the

RECEIVING:

When receiving a signal, the busy icon
strength of the incoming signal (more bars indicates a stronger signal) and the status LED will be
Green. During this time the signal will be heard in the speaker.
If your radio is programmed to accept subtones on the selected channel and the incoming signal's
subtone doesn't match yours, the busy icon
display but the status LED will not light and the speaker will remain quiet. This indicates the call was
not meant for you.
8

GENERAL OPERATION

or
icon appears on the LCD.
will appear, the signal meter
and the signal meter
I N S T R U C T I O N M A N U A L
.
will show the relative
will still appear on the
C P 4 0 & C P 5 0