Motorola APX 4000Li, User Manual, Page: 80 / 102

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 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 transmis-
sion is not prevented.
Table continued…
Mode Description
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 can override
the transmit-inhibit state by quick-
keying the radio. In other words,
two
PTT button presses within the
preprogrammed 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.
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