Defining the 811 Test Patterns
11
Pattern #
Name
Display
Can be used to:
36-37
PLUGE
1
Check the black level (brightness
control)
Estimate the response time of the
color amplifiers in the CRT monitor
38
Continuous
Grayscale
Image
Check the quality of the video
amplifier, D/A converter and video
processing circuits, as well as the
linearity, dynamic range, noise and
number of bits for D/A
39-43
Gray and
colored vertical
bands
Multiburst
Check the frequency response for Y,
U and V separated, and YUV
combined
44-45
Fine squares
and dots
Check static convergence and focus
Check shadowing
46, 47
Focus
Test the focus in the corners and the
center of the screen
48
Checker-board
Check the regulation of the CRT
video drive power supply circuits
Check horizontal and vertical
deflection and linearity
1 PLUGE is Picture Line-Up Generation Equipment. The PLUGE pattern checks the black level on the video screen
