ASTRO XTS 2500/XTS 2500I Model III 35 
General Radio Operation
Conventional Mode Operation
Your radio may be programmed to receive Private Line (PL) calls.
1 Momentarily press the 
Monitor button to listen for 
activity. The Carrier Squelch 
indicator is displayed.
2 Press and hold the Monitor 
button to set continuous 
monitor operation. (The 
duration of the button press 
is programmable.) 
3 Press the Monitor button 
again, or the PTT button, to 
return to the original squelch 
setting. 
Note: If you try to transmit on a 
receive-only channel, 
you will hear an invalid 
tone until you release the 
PTT button.
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94C06.book  Page 35  Wednesday, June 23, 2010  11:41 AM