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Glossary – Epson 710/700/500 User Manual

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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

colours, luminance and sychronization information so it can
be carried in one signal.

Contrast.

A measure of the luminance 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.

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.

Resolution.

A measure of the amount of detail contained in

an image. Resolution can be measured in dots per inch or in
pixels. Image sharpness and clarity improve as resolution
increases.

RGB.

Red Green Blue

S-Video.

A type of video signal which transmits luminance

and colour separately.

SECAM (Système Electronique pour Couleur Avec
Mémoire).

A 625-line TV system used in France, Eastern

Europe, Russia and parts of Africa.