Video Pattern Generator 2238 User’s Manual
B-26
The pattern is composed of black and white
checkerboard for contrast calibration.
The 8-grayscale signal levels are the two rows
of signals which generated on all white
background.
The gray scale of the 1
st
row: 0% / 5% / 10% /
15%
The gray scale of the 2
nd
row: 85% / 90% /
95% / 100%
Each gray scale rectangle is 5% of
full screen and the same ratio with the entire
pattern. The signal is for adjusting standard
status of display.
PATTERN 201-250 TV Patterns
TV Pattern (No. 201 ~ No. 250)
This pattern is used to adjust the Hue,
Saturation and Contrast of TV for Whiteness
(%) / Chrominance offset (%) / Chrominance
(%) / Blackness offset (%).
It is the same as Pattern 5.
This pattern is the standard NTSC/PAL SMPTE
colorbar used to adjust the Contrast,
Saturation, Hue and Brightness for TV.
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