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980 DP 1.4 Video Generator / Analyzer - User Guide
Rev. A1
16.74 Grill_11, Grill_15, Grill_22, Grill_33, Grill_44
16.74.1Description
The entire active video area is filled with alternating black and white stripes. The stripes are drawn at different
resolutions. Each of the stripes is four (4) pixels wide in the Grill_44 image and three (3) pixels wide in the Grill_33
image. Each of the stripes is two (2) pixels wide in the Grill_22 image and one (1) pixel wide in the Grill_11 image.
The primary versions draw vertical stripes. The secondary versions draw horizontal stripes. The primary version of
the Grill_44 image is shown below.
16.74.2Test
Verify monitor resolution.
16.74.3Purpose
The resolution of your monitor should meet or exceed the design specifications.
16.74.4Method
First adjust the brightness, contrast, and focus to their correct settings. You should be able to see individual and
distinct stripes in all areas of the display at all four resolutions. Failure to see distinct lines at the highest resolution
(Grill_11) may indicate you have a defective video amplifier or picture tube.
Note: If multi-colored lines appear on a mask-type color picture tube, you may have a problem with convergence
or you may be exceeding the resolution of the picture tube.
Page 384
June 16, 2017
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