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If you do not have a light pen attached, press
the test, press Y and
PLACE LIGHT PEN ON CENTER OF WHITE BLOCK
Touch the center of the white block on the screen with the light pen.
When the light pen is correctly positioned, the block moves to
another part of the screen for a second test. After three successful
tests, the check ends.
An error occurs if one of the following is true:
The light pen is not connected properly
l
The light pen is malfunctioning
l
You do not touch the square within 12 seconds.
l
Color Video Check
This test displays 16 different screens, each a different color, and a
message indicating the color. The screens show the following colors in
the order specified below:
1 - Black
2 - Blue
- Green
3
- Cyan
4
5 - Red
6 - Magenta
7 - Brown
8 - White
To start this test, press 9 and
screen. On the last screen, you see this prompt:
Is the display correct (Y/N)?
If all the colors are correct, press Y and
color is incorrect, first check the adjustment of your monitor, and
then make sure that both ends of the cable are plugged in firmly. If a
problem still exists, press
C-18
Performing System Diagnostics
You see this prompt:
Enter.
Enter.
and
N
Enter
and
N
Enter.
- Gray
9
10 - Light blue
11 - Light green
12 - Light cyan
13 - Light red
14 - Light magenta
15 - Yellow
16 - White (high intensity)
Press any key to display each
to end the test. If any
Enter
to display the error message.
To begin
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