Epson 5000XB - PowerLite SVGA LCD Projector Guide de l'utilisateur télécharger pdf (Page 117)

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Glossary

Brightness. The balance of light and dark shades in an image.

Composite video. A type of video signal that encodes picture,

luminance, and synchronization information so it can be carried in one

signal.

Contrast. A measure of the tonal differences between the highlights

and shadows of an image. In a high-contrast image, light areas are very

bright and dark areas are very dark, with relatively few levels of gray

between white and black. Contrast is decreased by adding grays.

NTSC. A 525-line video broadcast format developed by the National

Television Standards Committee. NTSC is widely used in North

America, Mexico, and Japan.

PAL (Phase Alternation by Line). A 625-line video broadcast format

used in Western Europe, India, China, Australia, New Zealand, and

parts of Africa.

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Epson 5000XB - PowerLite SVGA LCD Projector Guide de l'utilisateur Page 117