Note: When this feature is active, the Carrier
Squelch status indicator is displayed.
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. This ID, consisting up to a maximum of
eight characters, can be viewed by both the receiving
radio and the dispatcher.
Your radio’s ID number is also automatically sent
every time the PTT button is pressed. This is a per-
channel feature. For digital voice transmissions, your
radio’s ID is sent continuously during the voice
message.
Smart PTT Feature (Conventional Only)
Smart PTT is a per-personality, programmable
feature used in conventional radio systems 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.
If you try to transmit on an active smart-PTT channel,
you hear an alert tone, and the transmission is
inhibited. The LED lights up solid yellow to indicate
that the channel is busy.
The following table shows the variations of smart
PTT:
Mode Description
Transmit Inhibit
on Busy
Channel with
Carrier
You cannot transmit if any traffic
is detected on the channel.
Transmit Inhibit
on Busy
Channel with
Wrong Squelch
Code
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.
Quick-Key
Override
This feature can work in
conjunction with either of the two
above variations. You can
override the transmit-inhibit state
by quick-keying the radio. In
other words, two PTT button
presses within the
preprogrammed time limit.
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