Appendix
62 LitePro 580 User’s Guide
• SECAM (Sequentiel Couleur à Mémoire)—a 50 Hz 768x576
resolution standard similar to PAL used in France, Eastern
Europe, and some African and Middle Eastern countries. PAL
and SECAM differ in the way color information is encoded on the
broadcast signal.
Video produced by VCRs, laser disc players, and camcorders is sent
and received in one of two formats:
• Composite video—carries sync, luminance (the black and white
part of the video signal), and color information on one signal
with a single pin and ground connection, and
• S-Video—separates color information from the luminance and
sync signal with a four-pin and ground connection. Because of
the color separation, S-Video produces a higher quality display
with better colors and less noise. It is not recommended for use
over distant connections as the signal tends to degrade the longer
the it must travel.
About computer video
Computer video generates five separate signals for IBM compatible
computers: red, green, blue, H-sync and V-sync. It provides four
separate signals for Macintosh computers: red, green, blue, and
composite sync. These types of signal are called RGB for red, green,
and blue.
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