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Settings
í*5
2nd Ô
ì#
Display contrast
You can adjust the contrast for the display.
Press and hold simultaneously until a ring signal is heard. The display shows:
Setting Mode
Press.
The display shows:
Setting Mode
Display Contrast
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.
110 | BusinessPhone – Dialog 4223 Professional / Dialog 3213 |