Glossary 53
requires separate signals for each of the three colors.
S-Video — A video transmission standard that uses a 4-pin mini-DIN
connector to send video information on two signal wires called luminance
(brightness, Y) and chrominance (color, C). S-Video is also referred to as
Y/C.
SECAM — A French and international broadcast standard for video and
broadcasting, closely related to PAL but with a different method of sending
color information.
SVGA — Super Video Graphics Array — 800 x 600 pixels count.
SXGA — Super Extended Graphics Array, — 1280 x 1024 pixels count.
UXGA — Ultra Extended Graphics Array — 1600 x 1200 pixels count.
VGA — Video Graphics Array — 640 x 480 pixels count.
XGA — Extended Video Graphics Array — 1024 x 768 pixels count.
WXGA — Wide Extended Graphics Array — 1280 x 800 pixels count.
Zoom Lens — Lens with a variable focal length that allows the operator to
move the view in or out making the image smaller or larger.
Zoom Lens Ratio — Is the ratio between the smallest and largest image a
lens can project from a fixed distance. For example, a 1.4:1 zoom lens ratio
means that a 10 foot image without zoom would be a 14 foot image with
full zoom.