652 Appendix B Image Reference
Hatch20
Description Primary version...The secondary version draws black lines on a white background.
Hatch4x3, Hatch5x4 and Hatch8x8
Description These are different versions of a crosshatch pattern that may be called for by some display
manufacturers’ test procedures. The primary version consists of white crosshatch and
circles on a black background. The secondary version inverts the image to black lines on a
white background.
The primary version of the Hatch4x3 image is shown below.
Purpose This is a general purpose test image that can be used to check and adjust video scan
linearity and geometry and color convergence.
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