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Headset Operation (with Feature Control Switch)
IMPORTANT NOTE: Mitel Networks Headsets with Feature Control Switch
(PN9132-800-500-NA/9132-800-501-NA) must be installed in the dedicated
headset jack (the jack nearest the front of the set). Installation will disable
your handset microphone. Disconnecting the headset at the jack or at the
quick-disconnect plug restores handset operation. If handset operation is
required for an extended period of time, you should press the Headset
feature key to return the telephone to handset mode.

To enable Headset Operation:

zPress the Headset feature key.

To answer a call:

zPress flashing Line Appearance key
-OR-
Quickly press and release the headset's feature control switch.

To mute the headset microphone:

zPress and hold the headset's feature control switch.

To hang up:

zPress CANCEL.
-OR-
Quickly press and release the headset's feature control switch.

To disable Headset Operation:

zPress the Headset feature key.
Music

To turn Music on and off when the set is idle:

1. Press SUPERKEY.
2. Press the No softkey until "Music?" appears.
3. Do one of the following:
To turn the music on, press the TurnOn softkey.
To turn the music off, press the TurnOff softkey.
4. Press SUPERKEY.