Nortel North American DMS-100 Instruction Manual page 591

1-570 Trouble locating and clearing procedures (continued)
TOPS MPX terminal system diagnostic
TOPS MPX
(continued)
MESSAGE
MESSAGE
16
MESSAGE
17
QUESTION
297-8021-544 Standard 14.02 May 2001
Running Read Tests
Running Video Graphic Test
The screen is blank for 7 s. A picture of all characters the keyboard can
accept appears.
Does your screen show all characters
that can be entered from the keyboard and the
grey & white bar?
Press 'Y' or 'N'
Display problem?
Does your display have a problem?
Press Y or N
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