AT&T TL7800 Quick Start Manual page 2

Quick reference guide - headset
Earpiece
Battery with cover
attached
Remove to replace the
battery
Microphone
The microphone
incorporates noise
canceling technology
for clearer calls.
(On/off button and light)
Press to make, answer or end a call.
MUTE
Press to mute the microphone during a call.
Press to mute the ringer in the earpiece when
there is an incoming call.

VOL+/VOL-
Slide the volume switch
to the right or left to
adjust the headset
ringer volume while
in idle mode, or the
listening volume while
on a call.
FLASH
Press to answer an
incoming call when you
receive a call waiting alert
during a call.