User's Manual

GMRS-102B Basic Operation 04-06-09
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5. Operating Instruction
1) On/Off & Volume control Switch
- Radio ON : Press power button. All indicators will appear momentarily on the LCD and you will
hear short beep sound.
- Radio Off : Press power button all indicators disappear on the LCD.
- Volume setting : Press up[▲] or down[▼] button or adjust level that is most comfortable for you.
2) Setting the Channel
GMRS-102B has 22 main channels.
 To select the channel
- Press Function[F] button once and channel digit will blink on the LCD.
- Press up[▲] or down[▼] button to choose the channel.
- Press the PTT button or Function[F] button to confirm
3) Beep AND Roger tone
This feature will give the tone signal to other parties when transmitting finished (when PTT
button is released.)
 To activate or disable the beep tone
- Press the Function[F] button until [rb on or oF] and the Roger [
] icon blink on the LCD.
- Press the up[▲] button or down [▼] button.
- Press the PTT button or Function[F] button to confirm.
4) VOX (Voice Operated Transmission)
This option enables you to have hands-free conversation. You do not have to operate the PTT
button each time when you want to transmit.
You can also choose the VOX sensitivity to suit your environment of operation.
(Ex ; noisy road, motor bike, factory etc.)
 To set the VOX mode.
- Press the Function[F] button until the [ Uo 0 or x ] appears. 0 is a vox level
- VOX icon will be appeared on the LCD.
- Press the PTT button or Function[F] button to confirm.
5) Setting the Transmit Power HI/LO
- HI : 1.5W TX power
- LO : 500mW TX power
 To set the TX output power
- Press the Function[F] button until the [ Po LO or HI ] appears.