Epson EMP-7500/5500 Owner's Manual page 60

Menu item
Position
Tracking
Sync
Brightness
Contrast
Color
40 Using the Projector Menus
Description
Select this item and then press either multi-purpose
button(remote) or the <Enter> button(control panel) to
enter the screen position adjustment mode. While in
the screen position adjustment mode, use the pointing
button or the <Up>, <Down>, <Left> and <Right>
buttons to move the screen position in the
corresponding direction. After you are finished, press
the <Menu> button to return to the Computer Menu.
Matches the projector's internal clock to various
computer graphic signals. Adjust this setting to remove
vertical fuzzy lines from the image.
Synchronizes with the tracking signal sent from the
computer. Adjust this setting whenever the overall
image is fuzzy or to remove streaks from the image.
Lightens or darkens the overall image. Increase
brightness to make the image lighter, or decrease it to
make the image darker.
Adjusts the relative difference between light and dark
areas. Increase contrast to make light areas lighter
and dark areas darker, or decrease it to lessen the
difference between the light areas and dark areas of
the image.
Adjusts the color balance of the input source.
Select this item and then press either multi-purpose
button(remote) or the <Enter> button (control panel) to
enter the color adjustment mode.
While in the color adjustment mode, use the pointing
button or the <Up> and <Down> button to select a
color. Next, use the pointing button or <Left> and
<Right> buttons to adjust the selected color.
Increasing a color's setting makes that color more
intense on the screen, while a lower setting makes the
color less intense.
After you are finished, press the <Menu> button to
return to the Computer Menu.