Sanyo DSU21B Owner's Manual page 25

4:3 : The input source will be scaled to fit the projection
screen.
16:9 : The input source will be scaled to fit the width of the
screen.
Aspect Ratio (Video Mode)
Select how the picture fits on the screen:
4:3 : The input source will be scaled to fit the projection screen.
16:9 : The input source will be scaled to fit the width of the screen.
Image
There are many factory presets optimized for various types of images.
PC : For computer or notebook.
Movie : For home theater.
sRGB : For PC standard color.
User : Memorize user's settings.
White Intensity
Increase the brightness of white areas.
Gamma
Effect the represent of dark scenery. With greater gamma value, dark scenery will look brighter.
800 x 600
800 x 600
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