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ENGLISH
43
GLOSSARY
Aspect ratio
Width and height ratio of an image. The normal aspect ratio of a computer and video image is 4 : 3. There are also wide images
with an aspect ratio of 16 : 9 and 21 : 9.
Black Level (Black setup)
The signal level which represents black picture intensity.
For NTSC system for USA, this level is 7.5IRE. NORMAL: 16 (Black) ~ 235 (White)
For NTSC system for Japan and DVD, this level is 0IRE. EXPAND: 0 (Black) ~ 246 (White)
Color Temperature
White color hue.
Low color temperature implies a warmer (more yellow/red) light.
High color temperature implies a colder (more blue) light.
Keystone
Distortion of the image caused by projection to a wrong vertical/horizontal angle.