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Glossary
Model 330, 340SC, and 370SC Service Manual
Phase adjustment
Positions the input image (test pattern, video, graphics, etc.)
on the CRT raster. If the 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 is performed on
green only and affects all RGB.
Raster
The area illuminated by the scan lines on a CRT.
Resolution
The degree of sharpness of a displayed or printed character or
image; the amount of detail in a picture. On a display screen,
resolution is expressed as the number of horizontal dots
(columns) by the number of vertical lines (rows). For
example, a 680 x 400 resolution means 680 dots across each
of 400 lines.
Retrace
The blanked-out line traced by the scanning beam of a picture
tube as it travels from the end of any horizontal line to the
beginning of either the next horizontal line or field. The
beam is turned "off" during retrace.
RGB (Red, Green, Blue)
Refers to the method of recording and generating colors in a
video system. On a television or color monitor, colors are
displayed as varying intensities of red, green and blue dots.
When red, green and blue are all turned on high, white is
produced. When all dots are turned off, the base color of the
screen appears.
RGB X-Hatch
Test pattern of aligned, alternating dots of RGB, used for
convergence adjustment.
S-VHS
A high band video recording process for VHS that increases
picture quality and resolution capability. S-VHS tape
machines use a special output terminal which allows separate
output of luminance (Y) and chrominance (C) picture
information to monitors equipped with S-Video inputs.
S-Video
A video signal that has the luminance (Y) information
separated from chrominance (C) information.
SAP
(Second Audio Program) The MTS system for television also
provides the ability to send an additional audio signal, called
Second Audio Program (SAP).
Saturated Color
1) A color as far from white, black or gray as it can be
(i.e., vermilion rather than pink).