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Glossary-88 IntelliTouch/SecureTouch Guide
Swim-An image should be rock-steady on the monitor screen. Swim, like
similar characteristics jitter and drift, is a measure of how much an on-screen
image wavers over a given time.
T
Triad-A triad contains three phosphor filled dots-one red, one green and one
blue-arranged in a triangular fashion. Each of the three electron guns are
dedicated to one of these colors (for example, the red gun excites only a triad’s
red phosphor dot). As the guns scan the screen, each active triad produces a
single color, which depends on the combination of excited color dots and how
active each dot is.
U
UVGA-Ultra Video Graphic Array. It refers to 1024 by 768 resolution.
V
Vertical Refresh Rate-See Refresh Rate.
Vertical Scanning-The movement the electron beam traces across vertical
phosphor dots on the CRT.
VESA®-An acronym for Video Electronic Standards Association. The
association that standardizes the graphics boards with both software and
monitors. It set the standardized refresh rate of 72Hz for SVGA (800x600) and
VGA (640x480).
VGA-A Video Graphic Array (VGA) monitor has a standardized resolution of
640x480.
Video Bandwidth-See Bandwidth.
VLF-An acronym for Very Low Frequency. Defines frequency range from
3,000 to 30,000 Hz. This type of radiation is emitted from the monitor’s
deflective yoke.
X
XGA-An Extended Graphics Array (XGA) monitor has a standardized
resolution of 1024 by 768.