All the above gray levels from white (0%) to black (100%) should differ from each other. Take special care of the two extreme left and right fields (white and 5%, 95% and black). The Difference between then should be barely noticeable.
Color Scales Test Check and adjust the color intensity scales for the most important colors.
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Extreme Gray-Scale with Color Bars Test
Check the extremes of the gray scale, and standard primary and secondary colors.
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Horizontal Resolution Test Check and improve sharpness and horizontal resolution.
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Cross Hatch and Dot Test Check and adjust geometric distortion, focus, beam shape, and convergence or color registration.
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