AT&T MERLIN LEGEND Release 2.0 System Programming Manual page 730

General Feature Use and Telephone Programming
Table C-3. Programming MLX-10 Telephones
Step
1 Label the button.
Note: Skip this step if the
feature will not be programmed
onto a button.
2 Begin programming.
3 Select the feature.
4 End programming.
C-10 Telephone Programming
Action
Remove the clear label cover from the
telephone by pulling upon the tab that
extends from the top of the cover.
Write the feature name on the card next
to the button to be programmed.
Replace the cover.
Press the Feature button and dial then
00.
Press the button you labeled.
Note: If the feature does not get
programmed onto a button, press any
line button, This does not affect the
button in anyway.
Dial the programming code.
The feature is programmed.
Press the Feature button and dial 00.