ASTRO XTS 2500/XTS 2500I Model III 39
Common Radio Features
Conventional Squelch Options
Analog Squelch
Tone Private Line (PL), Digital Private-Line (DPL), and carrier squelch 
can be available (preprogrammed) per channel.
Digital Squelch
One or more of the following options may be programmed in your 
radio. Consult your service technician for more information.
When in... this condition occurs:
Carrier squelch (C) You hear all traffic on a 
channel.
PL, DPL The radio responds only 
to your messages.
This option... allows you to hear:
Digital Carrier-
Operated Squelch 
(COS) 
any digital traffic.
Normal Squelch any digital traffic having 
the correct Network 
access code.
Selective Switch any digital traffic having 
the correct Network 
access code and correct 
talkgroup.
94C06.book  Page 39  Wednesday, June 23, 2010  11:41 AM