Epson Equity Ie Q50188015-1 - Manual (Page 96)

Attribute check
To check the video display attributes, press 2 and then Enter.
If you have a color monitor, the screen displays examples of the possible
display attributes (normal intensity, high intensity, blinking), including the
available colors. If you have a monochrome monitor, the screen displays
examples of the possible display attributes (normal intensity, high intensity,
blinking), including all the available shades of gray.
At the bottom of the screen is the prompt:
Is
the display correct (Y/N)?
Press Y and Enter if the display is correct.
If the colors or shades of gray are not correct, adjust the controls on your
monitor. If they are still incorrect, or if any of the other attributes are not
correct, press
N and Enter.
Contact your Epson dealer to verify any monitor problems.
Character set check
To check your 80-column character set, press 3 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:
D-8 Performing System Diagnostics