ASTRO XTL 5000 Digital Mobile Radio with W4, W5, W7, and W9 61
Conventional Radio Features
Smart PTT
Smart PTT is a per-mode feature that gives the system manager
better control of radio operations. When smart PTT is enabled in your
radio, you will not be able to transmit on an active mode. If you try to
transmit (press the PTT button) on a busy or active smart PTT
channel, a continuous tone sounds until you release the PTT button,
and the transmission is inhibited.
The yellow BUSY LED lights when the radio is receiving to indicate
that the mode is busy.
Three radio-wide variations of smart PTT can be enabled on your
radio:
Transmit Inhibit on
Busy Mode with
Carrier
You will not be able to transmit if any
activity is detected on the mode.
Transmit Inhibit on
Busy Mode with
Wrong Squelch Code
You will not be able to transmit on an active
mode that has a squelch code other than
your own.
Quick-Key Override You can override either of the two previous
transmit-inhibit states by quick-keying the
radio (two quick PTT button presses).
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