7
English
Audio Signal Tones
 = High Tone;   = Low Tone;
 
To listen to the audio signal tones samples, refer to the PDF file 
with the embedded sound files.
Description Ty pe Occurrence
Idle
• Back to coverage
• Back to full service
Once
Clear-to-send Once
Bad key press Once
From out-of-service to in-
service
Once
Out of TMO (Trunked 
Mode) coverage
Once
Talkgroup selected Rotary Switch position 
determines how many times 
the following sequence is 
repeated:
After every 3rd sequence, the 
silence is longer.
Once
In DMO
 
Once
In Emergency Continously when in 
Emergency Mode
In Whisper Mode On pressing the PPT 
when in Whisper 
Mode
In Call
Call clear warning  Once
Talk permit sounds upon 
pressing the PTT. 
Once
Talk permit without 
gateway sounds upon 
pressing PTT. The tone 
indicates the gateway is no 
longer available. 
Once