AT&T ML17928 User Manual page 8

Getting started
Quick reference guide
VoL +
When the telephone is idle, press
to increase the ringer volume for
both lines (page 16).
During a call, press to increase the
listening volume (page 23).
When a line is ringing, press to
increase the ringer volume of that
line temporarily (page 16).
VoL -
While the telephone is not in
use, press to decrease the ringer
volume for both lines (page 16).
During a call, press to decrease
the listening volume (page 23).
When a line is ringing, press to
decrease the ringer volume of that
line temporarily (page 16).
hEADSET
Press to activate the headset
when a corded headset is
connected (page 20).
MUTE
During a call, press to mute the
microphone (page 23).
Speed dial keys
Press to dial or review a stored
speed dial number when the
telephone is idle (pages 28 and 30).
SPEAKER
Press to turn the
base speakerphone
on or off (page 20).
LowER
Press to enter the lower
locations of the speed dial
keys (page 27).
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