Channel Busy Indicator
When a channel is busy, the LED flashes twice per second.
Setting and Transmitting Call Tones
Your radio can transmit different call tones to other radios in your group so you
can alert them that you want to talk.
To set a call tone:
1. With the radio on, press
to change and hear the call tone.
to set the new call tone.
To transmit your call tone to other radios set to the same channel and Interference
Eliminator Code as your radio, press
• The T4800 and T4900 models have 3 call tones.
• Setting the call tone to
3 times. The current call tone setting flashes and
disables the call tone feature.