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Digital Projection E-Vision Laser 4K Series
Reference Guide
APPENDIX D: GLOSSARY OF TERMS
Rev A June 2017
Chrominance
Also known as ‘
’, this is the component, or pair of components, of a
signal which describes
Color difference
In
signals, the difference between specified colors and the
component. Color difference is zero for
monochrome images.
Color gamut
The spectrum of color available to be displayed.
Color temperature
The position along the black body curve on the chromaticity diagram, normally quoted in Kelvin. It takes into account the preset values for
color balance in the service set-up to take up the variations in the prism. The projector allows you to adjust this temperature (i.e. adjust the
picture color temperature).
Component video
A three-wire or four-wire video interface that carries the signal split into its basic
and two-
Contrast (electronic control)
The adjustment of the white point of the image without affecting the black point. This increases the intensity range of the displayed image.
Contrast (optical)
The intensity difference between the darkest and lightest areas of the screen.
Cr, Cb
’
inputs. They provide information about the signal color. Not to be
.
Notes
