Chapter 7—Glossary

Linearity Adjustment

Corrects for improper horizontal and vertical grid spacing

 

on an image. With distorted linearity, lines in the grid are

 

spaced closer together on one side of the image and

 

farther apart on the other. The linearity adjustment is

 

performed on green only and affects RGB.

Luminance

Abbreviated as "Y." The portion of the signal that

 

contains the black and white information, which affects

 

brightness.

Monochrome

Single color and refers to monitors that display only one

 

color along with black, such as white on black, black on

 

white, green on black and amber on black.

Multisync Monitor

A display monitor that adjusts automatically to the

 

synchronization frequency of the video display board

 

that's sending signals to it. Multisync monitors can

 

adjust to a range of frequencies, but not all of them.

Noise

Undesirable electrical interference of a signal.

NTSC

(National Television Standards Committee) The NTSC

 

governs the standard for television and video playback

 

and recording in the United States. The NTSC standard

 

is 525 lines of resolution and is transmitted at 60 half

 

frames (interlaced) per second.

Optics Module

Contains the optics used to transmit light from the arc

 

lamp to the projection channels (blue, green and red).

Orthogonal

At right angles.

Overscanning

Displaying less than the complete area of an image to a

 

viewer (i.e., scanning beyond the visible area). All TV

 

sets are overscanned at least slightly, so that viewers do

 

not see blanking.

PAL

(Phase Alternate Line) The 625-line, 50-field system

 

used in the UK, Western Europe, Scandinavia, Australia,

 

South Africa and other countries.

Phase adjustment

Positions the input image (test pattern, video, graphics,

 

etc.) on the CRT raster. If phase is misadjusted, the

 

image may "wrap around" the edges or be positioned off

 

the screen.

Pincushion Adjustment

Corrects for warped distortion at the sides or top and

 

bottom of the image. The pincushion adjustment affects

 

RGB.

Glossary-4

Hughes-JVC Technology Corporation

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JVC CB100 Linearity Adjustment, Luminance, Monochrome, Multisync Monitor, Noise, Optics Module, Orthogonal, Overscanning

CB100 specifications

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