Transmit Inhibit - Motorola APX 8000 3 User Manual

The following table shows the variations of smart
PTT:
Mode Description

Transmit Inhibit

You cannot transmit if any traffic
on Busy is detected on the channel.
Channel with
Carrier
Transmit Inhibit You cannot transmit on an active
on Busy channel with a squelch code or (if
Channel with secure-equipped) encryption key
Wrong Squelch other than your own. If the PL
Code code is the same as yours, the
transmission is not prevented.
Quick-Key This feature can work in
Override 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.
Transmit Inhibit
This feature is available for APCO 25 trunking, Type II
trunking and Conventional operations for all APX
radios.
When Transmit Inhibit feature is enabled, the radio
stops all transmission including voice and data. The
radio could receive messages but not replying the
acknowledgement request of the received message.
User could physically control the transmission of the
radio especially during operation in hazardous
environments with this feature. An environment is
considered hazardous when the power emitted by the
radio power amplifier could initiate an explosion or
other dangerous reactions.
When the Transmit Inhibit feature is disabled, the
radio functions according to its normal operations.
The radio sounds alert tone when user enters or exits
this feature and also when PTT is pressed.
Note
Acknowledgement of any messages required
from the radio is not transmitted if the Transmit
Inhibition is enabled.
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