AT&T MERLIN LEGEND Release 3.0 System Programming Manual page 726

General Feature Use and Telephone Programming
Table D–2. Programming Analog Multiline 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.
D–10
System Programming
Action
Remove the clear label cover from the
telephone by inserting the end of a paper
clip in the notch at the top of the cover.
Write the feature name on the card next to
the button to be programmed.
Replace the cover.
Slide the T/P switch on the side of the
telephone to P.
Press the button you labeled.
If you have a display, it shows the name
of the feature currently programmed on
the button. If no feature is programmed,
the display indicates that the button is
blank.
Note: if the feature does not get
programmed onto a button, press any line
button. This does not affect the button in
any way.
Dial the programming code.
The feature is programmed. .
Slide the T/P switch to the center position.