Motorola ASTRO APX MOBILE O2 CONTROL HEAD, Руководство пользователя

Страница: 118 / 142

Advanced Features
English
100
Using the Conventional Squelch Operation
Features
This feature filters out unwanted calls with low signal strength or
channels that have a higher than normal background noise.
1 Procedure:
>
or
<
(on the keypad mic.) to
Sql
.
2 Press the Menu Select button directly below
Sql
.
The display shows
Squelch XX
, where
XX
is the value for
the current squelch.
3 Press the Menu Select button directly below “
+
” to increase
the squelch volume.
OR
Press the Menu Select button directly below “
-
” to decrease
the squelch volume.
4 Press
H
to return to the selected channel.
Analog Options
Tone Private Line (PL), Digital Private-Line (DPL), and carrier
squelch can be available (preprogrammed) per channel.
Digital Options
One or more of the following options may be preprogrammed in
your radio. Consult your dealer or system administrator for more
information.
Option Result
Carrier squelch (C) You hear all traffic on a channel.
PL or DPL The radio responds only to your
messages.
Option Result
Digital
Carrier-Operated
Squelch (COS)
You hear any digital traffic.
Normal Squelch You hear any digital traffic having the
correct network access code.
Selective Switch You hear any digital traffic having the
correct network access code and correct
talkgroup.