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Chapter 7: Advanced Features
7.21.10
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.
7.21.11
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.
7.21.12
Smart PTT (Conventional Only)
Smart PTT is a per-personality, programmable feature used to keep radio users from talking over other radio
conversations. When Smart PTT is enabled in your radio, you cannot transmit on an active channel.
The following table shows the variations of Smart PTT.
Mode
Transmit Inhibit on Busy Channel with Carrier
Transmit Inhibit on Busy Channel with Wrong
Squelch Code
Quick-Key Override
76
Description
You cannot transmit if traffic is detected on the
channel.
You cannot transmit on an active channel with a
squelch code or (if secure-equipped) encryption
key other than your own. If the PL code is the
same as yours, the transmission is not prevented.
Your radio must be programmed to allow you to
use Quick-Key Override. This feature works with
either one of the two above variations. You can
override the transmit-inhibit state by quick-keying
the radio (press PTT button twice within the pro-
grammed time limit).
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