ASTRO XTS 2500/XTS 2500I Model II 11
General Radio Operation
Alert Tones
Your radio uses alert tones to inform you of radio conditions.
Table 6: Alert Tones
You hear: Tone Name Heard:
Short, 
Low-Pitched 
Tone
Invalid Button-
Press
when the wrong key is pressed.
Radio Self-Test 
Failed
when the radio fails the power-up 
self test.
No ACK Received when the radio does not receive 
an acknowledgment. 
Reject when an unauthorized request is 
made.
Time-Out Timer 
Warning
four seconds before time out.
Long, 
Low-Pitched 
Tone
Time-Out Timer 
Timed Out
after time out.
Talk Prohibit/
PTT Inhibit
when the PTT button is pressed, 
and transmissions are 
prevented.
Out-of-Range when the PTT button is pressed, 
but the radio is out of range of 
the system.
Invalid Mode when the radio is set to an 
unprogrammed channel.
Individual Call 
Warning Tone
when the radio is in Individual 
Call without any activity for more 
than 6 seconds.
A Group of 
Low-Pitched 
Tones (Busy 
Tone)
Busy when the system is busy.
94C05-F_.book  Page 11  Wednesday, May 7, 2008  6:53 PM