Operation Manual

3
English
RADIO OVERVIEW
RADIO OVERVIEW
This user guide covers the operation of the
GP388 Professional Portable Radio.
Before using this radio, refer to Important
Safety and General Information contained in
the separate booklet 68P64117B25_ enclosed
with your radio.
OPERATION AND CONTROL FUNCTIONS
Radio Controls
The numbers below refer to the illustrations on
the inside front cover.
1. Rotary Knob
Used as a channel selector and for multi-
function scrolling.
2. On-Off / Volume Knob
Used to turn the radio on or off, and to adjust
the radio’s volume.
3. Push to Talk Button (PTT)
Press and hold down this button to talk, release
it to listen.
4. Side Button 1 (Programmable)
Recommended for Monitor/ Call Cancel Button.
5. Side Button 2 (Programmable)
6. Top Button (programmable)
Recommended as Emergency button.
7. LED Indicator
Green: Successful power up.
Green Flashing: Radio scanning.
Red: Radio transmitting.
Red Flashing: Channel busy - when receiving.
Yellow : Radio called.
Yellow Flashing: Radio call reminder alert.
Red Flashing: Low battery warning - when
transmitting.
8. Microphone
9. LCD Display (1 Line)
10. Menu Keys
11. Keypad
12. Antenna
13. Accessory Connector
Connects headsets, remote speaker/micro-
phones and other accessories. Replace
attached dust cap when not in use.
Programmable Buttons
Several of your radio buttons can be programmed
(by Customer Programming Software CPS) to
activate the radio features.
The following table shows the features that can be
assigned to the Top button and Side Buttons 1 and 2.