Nortel North American DMS-100 Instruction Manual page 585

1-564 Trouble locating and clearing procedures (continued)
TOPS MPX terminal system diagnostic
TOPS MPX
(continued)
9
297-8021-544 Standard 14.02 May 2001
Test keyboard keys.
A keyboard picture displays. When the keyboard picture appears, press each
key on the keyboard. A character that identifies the key appears on the key
that matches, in the picture.