User guide

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Use your Options Key (M3902, M3903, M3904)
To restore one key label:
1. Press the Select Key to restore one key
label.
2. Press the key you wish to restore to the
original label (e.g., Purchasing).
3. Press the Done Key to save changes
and exit.
Note 1: You can press the Shift Key if the
label you want to change is on the
second layer of the Programmable
Line/Feature Key (Self-labeled).
Note 2: You cannot change the label on
your Primary Directory Number (DN) Key.
Contrast adjustment
The display contrast gives you a choice of how you view the text on your display.
After selecting Contrast adjustment:
To adjust display screen contrast:
or
1. Press Lower to decrease the display
contrast level.
or
Higher to increase the display contrast
level.
2. Press the Done Key to save the
changes and exit.
Restore one key label
Select
Purchasing
Done
Lower
Higher
Done