3
Getting started
VOLUME
Press the volume keys on the side of
the headset base to adjust the speaking
volume when on a call.
MODE
Press to choose between the NO
LIFTER MODE or LIFTER MODE when
the headset is not in use, and the
corresponding light turns on (see page
11).
LIFTER AUDIO ADJUST
Adjust the switch to choose the best
headset audio quality when using a
handset lifter. (See the handset lifter
user's manual for more information.
You may download the manual at
www.telephones.att.com.)