Epson ELP-3000 - Manual (Page 50)

Computer menu
You see the first Computer menu if you have a PC, or the second menu if you have
a Macintosh.
Brightness
Contrast
synchronize
Lightens or darkens the overall image. Increase bright-
ness to lighten an image; decrease it to darken an image.
Adjusts the degree of difference between light and dark
areas. Increase the contrast if you want light areas to be
very light and dark areas to be very dark. Decrease
contrast to minimize the difference between the lightest
and darkest parts of the image.
Synchronizes the graphics signals coming from the
computer. Adjust this setting if the image is fuzzy or
streaked or contains artifacts.
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Using the Menus