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94 Glossary
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 color
separately.
SECAM (Système Electronique pour Couleur Avec Mémoire). A 625-
line TV system used in France, Eastern Europe, Russia and parts of Africa.
Serial. A type of communication interface that transmits data over a single
wire.
Sleep mode. The power cable is connected but the projector is switched
off. In this mode the power LED lights up orange. If the projector is not
used for 30 minutes the lamp switches itself off and after 30 seconds the
projector goes into sleep mode.