KRAMER: SIMPLE CREATIVE TECHNOLOGY
Defining the 811 Test Patterns
10
Pattern #
Name
Display
Can be used to:
15-21
Gray shades in
a box
Check the contrast and power
stability of the video amplifiers and
geometry artifacts at different
brightness steps on the screen
Adjust the contrast
22
White screen
Set the white color
Evaluate white field uniformity
Measure the display light output
23-25
SDI, PLL and
equalizer test
Test for the equalizer and PLL in
SDI systems
26-27
Center cross
Indicate the screen safe zone for
text, subtitles, logo and title
placement (5% and 10%)
Center align screen for text and
pictures
28, 29, 33,
34, 35
Crosshatch
Adjust the linearity and convergence
Perform an overall check of the
display’s capability of producing fully
saturated primary and secondary
colors
Estimate the quality of the projector
lens (for the fine crosshatch pattern)
Check the quality of video scalers
and de-interlacers
30, 31, 32
Colored
Crosshatch
Evaluate the quality and adjustment
of each color channel, especially
useful for guns and masks for CRT