Monocase/Dualcase Switch Problem - IBM 3205 Maintenance Information

Color display console
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2.2.6
MONOCASE/DUALCASE SWITCH PROBLEM
SYMPTOM 35:
Monocase/Dualcase (A/A,a) switch does not work.
Figure
2-32.
Monocase/Dualcase (A/A,a) Switch
ACTION:
1.
Set the Test/Normal switch to Test.
2.
While looking at the display, alternately switch between Monocase and Dualcase
(A/A,a) several times.
3.
Do the characters change from all uppercase to uppercase and lowercase?
YES
Invoke your support structure.
NO
Replace the logic board.
Go to 3.2, "logic Unit" an page 3-2.
2-26
IBM 3205 Color Display Console
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