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Glossary
Tracking
VGA
XGA
The signals output from computers have a specific frequency. If the projector frequency does not match this frequency, the resulting images are not of
a good quality. The process of matching the frequency of these signals (the number of crests in the signal) is called Tracking. If Tracking is not carried
out correctly, wide vertical stripes appear in the signal.
A screen size standard with a resolution of 640 (horizontal) x 480 (vertical) dots.
A screen size standard with a resolution of 1,024 (horizontal) x 768 (vertical) dots.
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