Motorola PMLN6540 Manual page 6

speak into the headset microphone to
check that the two-way communication
is working, the radio-in-transmission light
(LED) will be illuminated.
6. Release Push-To-Talk button to receive
transmissions.
7. Always switch the radio OFF before
disconnecting the headset.
VOICE OPERATED TRANSMISSION
(VOX) OPERATION
1. Always switch the radio OFF before
connecting the headset.
2. Attach the audio connector to the radio.
Note: Once the headset has been installed the
radio speaker and the radio microphone
are both disabled. The user must speak
into the headset microphone and use
the headset speaker to listen to
incoming calls.
3. For VOX operation, place the PTT/VOX
switch in the VOX mode. Switch the
radio ON. Care should be taken not to
set the volume level too loud.
4. The flexible boom mounted Noise
Canceling microphone should be
positioned approximately 1.2 cm to 2.0
cm (½ inch to ¾ inch) from the user's
lips. Adjust the flex boom assembly to
4