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. Check the characters displayed on your screen against this illustration:

After checking the characters, respond to the prompt:

Is the display correct (Y/N)?

If the characters displayed match the illustration, press Y and Enter. If they do not match the illustration, 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. These four colors are Color Set 0. If they are correct, press Y and then Enter.

Performing System Diagnostics

D-17