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Motorola ASTRO APX User Manual

Motorola ASTRO APX
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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.
Enabling Transmit Inhibition
Perform one of the following actions:
or to TxIn. Press the Menu Select button
below TxIn.
Turn off the ignition through Ignition Sense
Line.
Note:
If the user has disabled TX Inhibit via 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, lowhigh tones to indicate
transmission is inhibited.
Pressing PTT triggers the radio sounds a constant
short, lowpitched tone (reject tone).
Note:
The status of the Transmit Inhibit does not
change after the radio powers up.
The softkey TxIn is created to ease the user
of inhibition transmission besides relying
solely on Ignition Sense Line. Only if the
Ignition Sense Line is on, the softkey TxIn
works. If the Ignition Sense Line is on, user
can always turn on or off the Transmit
Inhibition using the softkey TxIn; but when the
Ignition Sense Line is off, function of softkey
TxIn is suspended, and the Transmit
Inhibition function is always off.
Advanced Features
138
English

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Motorola ASTRO APX Specifications

General IconGeneral
BrandMotorola
ModelASTRO APX
CategoryTwo-Way Radio
LanguageEnglish

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