Motorola GP640 - Manual (Page 5)

3 English
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OPERATION AND CONTROL FUNCTIONS
Radio Controls
The numbers below refer to the illustrations on the
inside front cover.
1. Rotary Knob (16 position)
Used as a channel selector (Conventional
mode)
2. On-Off / Volume Knob
Used to turn the radio on or off, and to adjust
the radio’s volume.
3. Clear Button (Side Button 1)
Used to cancel a call, clear down at the end of
a call or Carrier Monitor (Conventional mode).
4. Push to Talk Button (PTT)
Press and hold down this button to talk, release
it to listen.
5. Side Button 2
Personality button, otherwise programmable.
6. Side Button 3 (programmable)
7. Top Button (programmable)
Recommended as Emergency button.
8. LED Indicator
Green: Flashes to indicate NO SERVICE.
Red: On when radio is transmitting.
Red Flashing: When transmitting - battery low.
Red Flashing: When receiving - channel busy
(Conventional Mode)
9. Microphone
10. Antenna
11. Accessory Connector
Connects headsets, remote speaker/
microphones and other accessories. Replace
attached dust cap when not in use.
Note: The programmable buttons can be
programmed by the Customer Programming
Software (CPS) as short-cut buttons for many
of the radio’s features. Check with your dealer
for a complete list of the functions your radio
supports.
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