Motorola ASTRO APX 1000 Series, User Manual, Page: 71 / 94

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 Chan-
nel with Carrier You cannot transmit if any traffic
is detected on the channel.
Transmit Inhibit
on Busy Chan-
nel 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 Over-
ride Your radio must be preprogram-
med to allow you to use Quick-
Key Override. This feature can
work in conjunction with either of
the two above variations. You
Mode Description
can override the transmit-inhibit
state by quick-keying the radio. In
other words, two
PTT button
presses within the preprogram-
med time limit.
Viewing the IP Address
This feature displays the IP address.
1 Perform one of the following actions:
• Press the preprogrammed IP button.
• Press the Menu Select button directly below
IP
.
The display shows the IP Address screen.
2 Press
Exit
to return to the Home screen.
Transmit Inhibit
This feature is available for APCO 25 trunking, Type II
trunking and Conventional operations for all APX
radios.
Advanced Features
67
English