Glossary
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E
Energy Star Computers Program
An energy conservation program launched by the US Environmental Protection Agency (EPA),
promotes the manufacture and marketing of energy-efficient office automation equipment.
Companies joining this program, must be willing to commit themselves to manufacture one or more
products capable of going into a low -power state (< 30 W) either after a period of inactivity, or after
a predetermined time selected by the user.
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G
Gamma
Screen luminance as a function of video voltage approximately follows a mathematical power
function of the input video signal, the exponent of which is called gamma.
Grayscale
An achromatic scale ranging from black through a series of successively lighter grays to white.
file:///D|/songaiyu/PHILIPS/230E1%20CD%20EDFU/Phililps%20230E1%20081228/lcd/manual/ENGLISH/PRODUCT/glossary/glossary.htm (4 of 11)2008/12/28 02:20:04