Chroma 2238 - Page 156

Video Pattern Generator 2238 User’s Manual
B-56
The gray scale of the 2nd 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.
1007
ESGB-17%APL
The 9 white windows on the pattern black
background are 17% APL white window
signals. The positions and size diagrams
are shown below:
W: The width of screen effective luminous
surface.
H: The height of screen effective luminous
surface.
a: The width of white window.
b: The height of white window.
P0~P8: The luminance test dot.
1008
ESGB-17%APL-B
Same as the pattern above, the 17%APL
white window signals (intermittent black
screen) add loop display of black screen.
The loop display is 3 seconds for black
screen and 7 seconds for white windows.
1009
ESGB -9Position
Positioning 9 windows signals
The positioning signals draw white lines on
the black background and the
intersections are the positioning points.
1010
ESGB-17%APL+8
G
The 17%APL white window signals plus
the limit 8-grayscale signal levels are the
two rows of signals that generated on 50%
of gray background.
The gray scale of the 1st row: 0% / 5% /
10% / 15%
The gray scale of the 2nd 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.
1011
~
1019
Reserved.