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TOTOKU ELECTRIC CO., LTD.
MQSA Quality Control Manual
3. Check the SMPTE pattern.
The “SMPTE” pattern will appear. View the display monitor directly in front of the
display monitor. (The observer must be at least 50cm from the display screen.)
5% black
95% white
4. Visibility of the following features must be examined.
a. The 0 - 5% contrast pattern
b. The 95 - 100% contrast pattern
c. The 0 - 100% each gray level step from the adjacent squares (For example:
the 0 - 10% square or the 90 - 100% square)
d. The borders and lines of the pattern and that they are straight and the pattern
is in the active area of the display monitor
e. No distortion and misalignment using the grids across the screen (Linearity)
f. The sharpness of the alphanumeric characters and that they are in focus
g. The high contrast line-pair images (each line in vertical and horizontal stripes
in the square) at the center and on the corners of the SMPTE pattern without
magnication
h. The streaking in and around the white and the black rectangles (Video
Characteristic)
5. Record the result on the form 2 in this manual.
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