Digital Projection E-Vision Laser WQ120 Series, Installation And Quick Start Manual

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Digital Projection E-Vision Laser WQ120 Series APPENDIX D: GLOSSARY OF TERMS
Rev A May 2018
TRC (Throw ratio correction)
A special number used in calculating
throw distances
and
throw ratios
when the image does not fill the width of the
DMD™
.
TRC is the ratio of the DMD™ aspect ratio to the image source aspect ratio:
DMD™ aspect ratio
Source aspect ratio
TRC =
TRC is only used in calculations if it is greater than 1.
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 .
Notes