Originally Posted by hungro
Hello, try using the near black test pattern for HCFR with the AVS HD709 disk. Tom Huffman has a method where you put up a 0 IRE full field test pattern and crank your brightness high then slowly back down till you no longer see a change in the brightness of the screen. Sit close to the set very close like a couple of inches away so you can see better when you hit the correct point. The red green and blue pixels will all be turned off indicating the blackest the set can get, if you lower it any further then the screen won't actually get darker but you might end up crushing detail near black. Good luck
I think the black clipping pattern on the AVS disc is both the easiest and most precise/accurate way to set brightness. Methods involving a meter are usually less reliable and at best can help you decide between two settings that are only one click apart (like 55 vs. 54).
Also, keep in mind that ambient light (especially any light that hits the screen directly) can affect the brightness setting, especially when using a high precision pattern that shows various digital values in 1-pt increments like on the AVS pattern mentioned above.