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Greyscale Test. Смотреть видео: OLED Uniformity And Greyscale Test Check Your TV For Burn In And Banding, Gray To White Grey Uniformity Clouding Banding Test For OLED QLED IPS 4K UHD SDR No Sound, OLED Screen Test With Greyscale And Color Patterns Plus Light Leaks, ISO 105 A02 Color Change Gray Scale Use.