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Garmin 4223 User Manual

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Settings
BusinessPhone – Dialog 4223 Professional / Dialog 3213
110
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