MICROPHONE/
VOLUME
Press the volume keys on the side
of the headset base to adjust the
speaking volume when on a call
(page 29).
Quick reference guide - headset base
CORDED HANDSET CONNECTED/
YES/NO
Choose the setting based on whether
you are using a corded handset
(page 8).
TEL WALL JACK (red dot)
POWER jack
(green dot)
CORDED PHONE CONNECTION
This jack (orange dot) is only used
with corded phone interface cable
connecting to the corded telephone.
Getting started
3
LIFTER
This jack is only used with an AT&T
handset lifter (model TL7100 or
TL7711, purchased separately).
(USB port)
Open the port cover to plug in the USB
cable when in PC mode (page 33).