Ricoh KW5708, Обучение по обслуживанию

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Slide 57
Terms and Definitions - 10

Screen Gain

A measure of how brightly a screen displays an image.

The higher the screen gain, the brighter the screen.

Relation between Screen Gain and Brightness

Generally, the larger the screen, the darker it is. If you choose
a screen with a higher gain, the brightness is preserved to
some extent.

Also, choose a screen to suit the room. In a long room, use a
high luminance screen. In a wide room, a high viewing angle
screen.
White screen for OHP
projection High viewing angle
screen High luminance
screen
Viewing angle
(horizontally) 1 (wide) 2 3
Brightness 3 (dark) 2 1
Price 1 (cheap) 2 3
Screen gain 3 (low) 2 1