Aastra Dialog 4220 Lite User Manual

97BusinessPhone – Dialog 4222 Office / Dialog 3211 & 3212
Settings
Display contrast
You can adjust the contrast for the display.
í*5 Press and hold simultaneously until a ring signal is heard.
The display shows:
2nd
Ô Press.
The display shows:
ì Press repeatedly to adjust the contrast.
# Press to save and exit.
Note: To exit the menu without saving the changes, press
# before you press any of the adjustment keys.
Setting Mode
Setting Mode
Display Contrast

Aastra Dialog 4220 Lite Specifications

General

Brand	Aastra
Model	Dialog 4220 Lite
Category	Telephone
Language	English