While it’s warming up, gather the following materials: The demo footage on the Spears & Munsil disc is a good choice, but most movies work fine as well. When you’re ready to perform the calibration, first turn on your display and Ultra High Definition (UHD) Blu-ray player and let the system warm up for 15 minutes or so, preferably playing some real material. If your display has multiple picture memories and you watch the display under multiple lighting conditions, it may be worthwhile to perform the calibration separately for each of the lighting conditions and assign each one to a different picture memory.
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If there are windows in the room that let in sunlight and you tend to watch movies at night, then the calibration should also be performed at night. In general, video looks best when the room is as dark as possible, but it’s most important to duplicate the real lighting conditions you will be watching under. Perform the calibration under the same lighting conditions you generally use to watch quality material like movies. Reading these is not required to get a good picture, but it’s helpful for understanding the theory behind each test pattern. Before beginning you may want to review the detailed background articles about the basic adjustments found on the Spears & Munsil web site. It’s important to be methodical and careful while performing the adjustments, and to understand what to look for in each test.
Using the tests on the Spears & Munsil UHD HDR Benchmark to adjust your display is not difficult and performing the basic calibration should take 30 minutes or less.