ASTRO XTS 2500/XTS 2500I Model III 41
Common Radio Features
Time-out Timer
The time-out timer turns off your radio’s transmitter. The timer is set 
for 60 seconds at the factory, but it can be programmed from 0 to 
7.75 minutes (465 seconds) by a qualified radio technician. 
1 Hold down the PTT longer 
than the programmed time. 
 
You will hear a short, low-
pitched warning tone, the 
transmission is cut-off, and 
the LED will go out until you 
release the PTT.
• Short warning tone
• Transmission is cut-off
• LED goes out
2 Release the PTT button. • LED re-lights
•Timer resets
3 Press the PTT to re-transmit. 
Time-out timer restarts.
• Timer restarts
•RED LED
94C06.book  Page 41  Wednesday, June 23, 2010  11:41 AM