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MN002667A01-AV
Chapter 7 : Advanced Features
7.24.8
Conventional Squelch Operation
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, Digital Private-Line, and carrier squelch is available and programmed per channel.
Option
Carrier squelch
Tone Private Line or Digital Private-Line
Digital Options
One or more of the following options can be programmed in your radio. For more information, contact
your system administrator.
Option
Digital Carrier-Operated Squelch
Normal Squelch
Selective Switch
7.24.9
Using the PL Defeat Feature
This feature allows you to override any coded squelch programmed to a channel. Your radio also
unmutes any digital activity on a digital channel. When this feature is active, the Carrier Squelch status
indicator is displayed.
Procedure:
Place the programmed PL Defeat switch in the PL Defeat position.
One of the following indications occurs :
•
Your radio plays the active transmission on the channel.
•
If no activity is present, your radio is muted.
7.24.10
Digital PTT ID Support
This feature allows you to see the radio ID (number) of the radio from whom you are currently receiving
a transmission. The receiving radio and the dispatcher can view the ID, which consists of up to a
maximum of eight characters.
The ID number of your radio is also automatically sent every time you press the PTT button. This
feature is programmed per channel. For digital voice transmissions, the ID of your radio is sent
continuously during the voice message.
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Result
You hear all traffic on a channel.
The radio responds only to your messages.
Result
You hear all digital traffic.
You hear any digital traffic having the correct
network access code.
You hear any digital traffic having the correct
network access code and correct talkgroup.
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