![]() Professional video engineers refer to “black level,” which is more descriptive. The name “brightness” is really not a very good one. If you just want to know how to use your test pattern disc to adjust your brightness control, skip ahead to the section called “Using the PLUGE Pattern.” If you want to know why brightness needs adjustment, what’s really going on when you move the brightness control, and how different kinds of brightness adjustment patterns work, then read on. We’re going to talk about how to set brightness correctly, but first we want to take some time to talk about some of the history and background of the brightness control. If brightness is set too high, the image contrast goes down and the picture loses its “snap.” If brightness is set too low, the dark parts of the image are lost completely. Of all the settings on the display, the brightness control is probably the most important.
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