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Image should show a steady and bright (one-pixel scale) checkerboard pattern. On LCD monitors connected via analog connection (do not try to adjust monitors connected via digital connection to this test pattern), use monitor's auto-adjust or manual clock/pitch and phase controls, if necessary, to eliminate broad vertical banding (clock/pitch), and shimmering horizontal streaking (phase). After shimmering horizontal streaking is eliminated, further adjust phase to make checkerboard pattern as crisp as possible. (Some settings of phase may make the checkerboard pattern so un-crisp it becomes a uniform gray and essentially disappears. This can also occur if brightness/contrast are set way high; in this case turn brightness/contrast down temporarily, adjust for this test pattern, then turn brightness/contrast back up.) If no clock/phase combinations are very satisfactory, try selecting a different refresh rate (e.g. 60/70/72/75Hz) on your PC. |