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Digital Projection M-Vision 930 Series
Reference Guide
APPENDIX F: GLOSSARY OF TERMS
Rev C February 2015
UXGA
A display
resolution
of 1600 x 1200
pixels
with a 4:3 screen
aspect ratio
. (Stands for
Ultra Extended Graphics Array
.)
Vertical Scan Rate
The rate at which the
frames
of the incoming signal are refreshed. The rate is set by the vertical
synchronization
from the source and measured
in
Hertz
.
Vignetting
Optical cropping of the image caused by the components in the projection lens. This can happen if too much offset is applied when positioning
the image using the lens mount.
Vista
An
aspect ratio
of 1.66:1.
WUXGA
A display
resolution
of 1920 x 1200
pixels
with a 16:10 screen
aspect ratio
. (Stands for Widescreen
Ultra Extended Graphics Array
.)
Y
This is the
luminance
input (
brightness
) from a
Component Video
signal.
YUV
See
Pr, Pb
.
ZScreen
A special kind of light modulator which polarizes the projected image for 3D viewing. It normally requires that images are projected onto a silver
screen. The ZScreen is placed between the projector lens and screen. It changes the polarization of the projected light and switches between
left- and right-handed circularly polarized light at the field rate.
Notes
