Before Operating the Telephone
Ringer volume/Backlight illumination
Display contrast
*
Press
Left
(Light)
or
Right
(Dark)
.
While in on-hook or receiving a call
While in on-hook or receiving a call
Slide the lever of the
RINGER
Volume Selector to the
desired setting (
HIGH/LOW/OFF
).
RINGER
Slide the lever of the
BACKLIGHT
Illumination Selector
to the desired setting.
BACKLIGHT
1
2
0
*
The above settings may return to default settings if the telephone line cord is
disconnected or the main unit's power is interrupted.
BACKLIGHT SW POSITION
2
HIGH
1
LOW
0
OFF
LCD backlight
Speaker/Handset/Headset volume
*
Speaker volume
While in hands-free conversation
Handset/Headset volume
While using the handset or headset
Press
Up
(Level increases)
or
Down
(Level decreases).
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