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Digital Projection E-Vision Laser WQ120 Series
APPENDIX D: GLOSSARY OF TERMS
Rev A May 2018
Letterboxing
without
Lumen
A photometric unit of radiant power. For projectors, it is normally used to specify the total amount of emitted visible light.
Luminance
Also known as ‘
signal which affects the brightness, i.e. the black and white part.
Noise
Electrical interference displayed on the screen.
NTSC (National Television Standards Committee)
The United States standard for television - 525 lines transmitted at 60
OSD (on-screen display)
The projector menus allowing you to adjust various settings.
PAL (Phase Alternate Line)
The television system used in the UK, Australia and other countries - 625 lines transmitted at 50
per second.
Pillarboxing
.
Notes
