2 Release the PTT button.
The timer resets.
3 To re-transmit, press the PTT button.
The time-out timer restarts and the LED lights up
solid red.
Using Conventional Squelch Operation Features
This feature filters out unwanted calls with low signal
strength or channels that have a higher than normal
background noise.
Analog Options
Tone Private Line (PL), Digital Private-Line (DPL),
and carrier squelch can be available
(preprogrammed) per channel.
Mode
Result
Carrier squelch (C)
You hear all traffic on a
channel.
PL or DPL
The radio responds only
to your messages.
Digital Options
One or more of the following options may be
preprogrammed in your radio. Check with your dealer
or system administrator for more information.
Option
Result
Digital Carrier-Operated
Squelch (COS)
You hear any digital traf-
fic.
Normal Squelch
You hear any digital traf-
fic having the correct net-
work access code.
Selective Switch
You hear any digital traf-
fic having the correct net-
work access code and
correct talkgroup.
Using the PL Defeat Feature
This feature allows you to override any coded squelch
(DPL or PL) that might be preprogrammed to a
channel. The radio also unmutes to any digital activity
on a digital channel.
Place the preprogrammed PL Defeat switch in the
PL Defeat position.
Advanced Features
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