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8.3 Glossary
This glossary provides brief explanations of terms which are used in this
manual but are not explained in the text or difficult to understand. For details,
refer to other available publications.
Term Description
A/V Mute Refers to temporary stoppage of audio and video. Your projector
provides this function when the A/V Mute button is pressed. When
the A/V Mute button is pressed again or audio volume is adjusted,
this function is released.
SVGA Refers to a 800-pixel (Pix) horizontal x 600-pixel (Pix) vertical
display signal for an IBM PC/AT-compatible (DOS/V) computer.
SXGA Refers to a 1280-pixel (Pix) horizontal x 1024-pixel (Pix) vertical
display signal for an IBM PC/AT-compatible (DOS/V) computer.
Sync
(synchronization)
Signals output by a computer are output at a certain predetermined
frequency.
If the frequency of your projector cannot match that frequency, a
clear image cannot be obtained. Matching of signal phases (peak
offset) is referred to as synchronization (synch).
If synchronization is not achieved, a projected image displays
jitters, blurring, and horizontal noise.
USB An abbreviation for universal serial bus, an interface for connecting
a personal computer with a relatively low-speed peripheral device.
VGA Refers to a 640-pixel (Pix) horizontal x 480-pixel (Pix) vertical
display signal for an IBM PC/AT-compatible (DOS/V) computer.
XGA Refers to a 1024-pixel (Pix) horizontal x 768-pixel (Pix) vertical
display signal for an IBM PC/AT-compatible (DOS/V) computer.
Cool-Down After the Power button is pressed and the lamp goes out, lamp
cooling is continued. After the lamp goes out, a cooling fan spins,
and operational buttons become inactive.
Cool-down time takes about 2 minutes.
Contrast The enhancing or weakening of differences in color lightness and
darkness that provides a sharper or softer view of characters and
images. This adjustment is referred to as contrast adjustment.
Tracking Signals output by a computer are output at a certain predetermined
frequency.
If the frequency of your projector cannot match that frequency, a
clear image cannot be obtained. Matching of signal frequencies is
referred to as matching tracking. When tracking is not matched, a
projected image displays broad vertical bands.