Programming: Programmable Keys 138 FlexSet 120/280 User Guide
Display Message Key LED
To cancel key contents:
1. Press [PROG] or dial #139. PROGRAM
SELECT BUTTON.
2. Press selected key. PROG CONT
KEY CNTNS XXXX ON
3. Press KEY CNTNTS
ON
4. Press selected key again. PROGRAM END
OFF
5. Press [SPKR] or press and release hookswitch.
Repeat the above procedure for each key to be cancelled.