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Glossary
DDC 1/2B
See DDC.
DDC 2Bi
See DDC.
Degaussing
The procedure of demagnetizing the shadow mask and associated metal parts of a picture tube at
switch-on to minimize picture distortion. This is usually accomplished by means of a special
degaussing coil through which a decaying alternating current is passed to generate an alternating
magnetic field that gradually decays to demagnetize the tube. Some monitors offer a manual
degaussing facility that can be activated at any time.
Digital control
Microprocessor-based digital control of picture parameters and video modes for complete control of
picture settings and modes and instant recall of all settings at the push of a button. This is a very
advanced feature that allows the user to switch to any required mode at any instant without having
to spend time readjusting the picture. It is currently available in most Philips monitors.
Dot pitch
The shortest distance between two phosphor dots of the same color on the screen. The smaller the
dot pitch, the better the resolution of the monitor.
file:///D|/EDFU/crt_17_6/edoc/english/GLOSSARY/GLOSSARY.HTM (5 of 22)2005-04-08 ¤W¤È 11:21:39