Dot-crawl (line-crawl) test for LCD screens (R 80,G 192,B 128)
[Look closely in the plain greeny colour to check for evidence of line-crawl or dot-crawl patterns] [BACK]

  Left: the kind of pattern you may see drifting down or across the plain green, typically related to the inversion scheme and revealed by a poorly-set common-electrode voltage within the monitor.