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980 DP 1.4 Video Generator / Analyzer - User Guide
Rev. A1
16.31 CirclesL
16.31.1Description
Special test image developed per customer specifications. In the primary version (shown below), the image
consists of five large white circles on a black background. The circles are positioned in the center and in the
corners of the active video area. The secondary version inverts the image to black circles on a white background.
16.31.2Purpose
This pattern is specified by some monitor manufacturers for checking and adjusting video scan size, linearity, and
over scanning.
Page 339
June 16, 2017
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