Motorola APX 4000 User's Guide download pdf (Page 144)

Advanced Features

English

Note: If a call arrives while the radio is in the clock-setting

menu, the radio exits clock setting and displays the call

information. Any changes made before the call is NOT

saved.

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.

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. Check with your dealer or system administrator for

more information.

Mode Result

Carrier squelch (C) You hear all traffic on a channel.

PL or DPL

The radio responds only to your

messages.

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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.

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Motorola APX 4000 User's Guide Page 144