IBM 3180 1 User Manual page 93

4.32
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Is your display bright enough?
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Adjust the brightness and contrast controls on your display
station by doing the following:
1. Press the SetUp key.
2. Press the %key until a suitable brightness is obtained.
3. Press the o key until a suitable contrast between highlighted
and normal fields is obtained.
4. Press the SetUp key.
Is your display bright enough now?
Yes No
Your problem should be
corrected. If these controls
need frequent adjustment,
replace the loqi'" plement.
(Go to Chapter 5.;
Replace the display element.
(Go to Chapter 5.)
If the problem still exists,
replace the logic element.
C9468048
Chapter 4. Fixing Display Station Problems 85