Code Alarm PC 7500 Instrucciones de operaciones descargar pdf (Pagina 112)

Advanced Features

English

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.

Using the PL Defeat Feature

This feature allows you to override any coded squelch (DPL or

PL) that might be preprogrammed in a channel. The radio also

unmutes to any digital activity on a digital channel.

Procedure:

Remove the microphone from the hub to enable the PL Defeat

feature. You hear any activity on the channel.

The radio is muted if no activity is present.

Note: When this feature is active, the Carrier Squelch status

indicator is displayed.

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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Code Alarm PC 7500 Instrucciones de operaciones Pagina 112