Control Data Corporation CDC CC63X Hardware Maintenance Manual page 106

Horizontal Alignment Check
18. Move the cursor to the left or right margin. Refer to
figure 6B-14. Use the eraser-end of a pencil or similar
blunt instrument to touch the following areas on the
touchpanel:
• Touch characters at random in columns designated "A"
in the figure. The cursor should not move.
• Touch characters at random in columns designated "B"
in the figure. The cursor should move to the number
1
(one) on the left side, or the number 0 (zero) on the
right side, depending on which side you touch. After
each cursor movement, ·touch an area away from the test
area. Any of the four characters in the columns
designated "B" in the figure should cause the cursor
to move to the
1
or
o.
• Touch characters at random in columns designated "C"
in the figure. The cursor should move to the number 5
on the left side, or the number 6 on the right side,
depending on which side you touch. After each cursor
movement, touch an area away from the test area. Any
of the four characters in the columns designated "C"
in the figure should cause the cursor to move to the 5
or 6.
• Touch characters at random in columns designated "D"
in the figure. The cursor should move to the number
9. After each cursor movement, touch an area away
from the test area. Any of the four characters in the
columns designated "D" in the figure should cause the
cursor to move to the 9.
19. Place a straight-edge from the top center to the bottom
center alignment notches on the bezel. The straight-edge
should fall between the 0 and 1 on the horizontal
sequences of numbers, as shown in figure 6B-14. These
numbers correspond to screen poritions ·40 and 41.
Vertical Alignment Check
20. Compare the screen image to figure 6B-14.
• Top to bottom measures 8 inches
• Line 1 is in top grid
• Line 30 is in bottom grid
• All other lines are evenly spaced and 2 per grid
• 6B-22.2
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