Column character set check, 320x200 graphics mode check, D-13 – Epson LT-286 User Manual
Page 138
After checking the character fonts, respond to the prompt:
Is the display correct (Y/N)?
If the characters displayed match the illustration, press Y and
Enter.
If you find a problem with the characters on the screen,
press
N
and
Enter
to display the error message.
40-Column Character Set Check
To check your 40-column character set, press 4 and then
Enter.
The character fonts that are included in the internal character
generator are displayed. Compare the characters on your screen to
this illustration:
After checking the character fonts, respond to the prompt:
Is the display correct (Y/N)?
If the characters displayed match the illustration, press Y and
Enter.
If you find a problem with the characters on the screen,
press
N
and
Enter
to display the error message.
320x200 Graphics Mode Check
To check your 320x200 graphics mode, press 5 and then
Enter.
The screen displays three colored squares-light green, brown, and
red-against a cyan background. (On the LCD display, the colors
appear as shades of gray.) These four colors make up Color Set 0. If
they are correct, press Y and then
Enter.
Performing System Diagnostics
D-13