Transmit Inhibit; Enabling Transmit Inhibition; Disabling Transmit Inhibition - Motorola APX 7000XE User Manual

68012006089-FK
Advanced Features
2.26.18

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 can receive messages but is not able to reply the acknowledgment request of the received
message.
User can 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.
NOTICE: Acknowledgment of any messages required from the radio is not transmitted if the
Transmit Inhibition is enabled.
2.26.18.1

Enabling Transmit Inhibition

Procedure:
1 Perform one of the following actions.
• Switch the preprogrammed Transmit Inhibit switch to Transmit Inhibit enabled.
• or to TxIn. Press the Menu Select button below TxIn.
• Press the Transmit Inhibit programmable button.
NOTICE: If the user has disabled TX Inhibit using the menu and then moves the switch
to the position where TX Inhibit is enabled, the new value overwrites the menu value.
The display shows Tx inhibit on. You hear a sequence of short, low-high tones to indicate
transmission is inhibited.
Pressing PTT triggers the radio sounds a constant short, low-pitched tone (reject tone).
NOTICE: The status of the Transmit Inhibit does not change after the radio powers up.
2.26.18.2

Disabling Transmit Inhibition

Procedure:
1 Perform one of the following actions.
• Switch the preprogrammed Transmit Inhibit switch to Transmit Inhibit disabled position.
• or to TxIn. Press the Menu Select button below TxIn.
• Press the Transmit Inhibit programmable button.
NOTICE: If the user has disabled TX Inhibit using the softkey and then moves the switch
to the position where TX Inhibit is enabled, the new value overwrites the menu value.
The display shows Tx inhibit off. You hear a sequence of short, high-low tone (Transmit
Inhibit Off tone) to indicate transmission is back to normal operation.
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