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Digital Projection E-Vision Laser WQ120 Series
Appendix D: Glossary Of Terms
1080p
An
HDTV resolution
which corresponds to 1920 x 1080
Anamorphic lens
A special lens which, when used with the
Aperture
The opening of the lens that determines the angle through which light travels to come into focus.
Aspect ratio
The proportional relationship between the width and the height of the projected image. It is represented by two numbers separated by a colon,
indicating the ratio of image width and height respectively: for example, 16:9 or 2.35:1.
Not to be confused with resolution.
Blanking (video signal)
The section of the video signal where there is no active video data.
Not to be confused with
blanking
(projection).
Brightness (electronic control)
A control which adds a fixed intensity value to every
used to set the black point in the image (see Contrast). In
Brightness (optical)
Describes how 'bright' an image that is projected onto a screen appears to an observer.
APPENDIX D: GLOSSARY OF TERMS
pixels
(a widescreen
TheaterScope aspect
ratio, allows watching 2.35:1 content packed in a 16:9 source.
pixel
in the display, moving the entire range of displayed intensities up or down, and is
Component Video
aspect ratio
of 16:9).
signals, brightness is the same as luminance.
Notes
Rev A May 2018
page 85
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