AVS Forum Special Member
Join Date: May 2008
Location: San Francisco - East Bay area
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You can NEVER tell what the best gamma control setting is without a meter and calibration software and the knowledge about how to use it. No setting any other owner is using is going to necessarily be the right setting for your room and your TV. If you have 6 owners who say they are using +1 and seven owners are using 0 and six owners are using -1... but if none of them have meters and calibration software, all you are getting is 20 guesses. All the settings they are using have a chance of being right, but there's a bigger chance they are wrong.
This sort of thing is why people get TVs calibrated... either by paying for a professional calibration, or by purchasing a meter, calibration software, and a calibration disc and teaching themselves how to calibrate (which takes maybe 100 hours of study and practice before you get your first good calibration).
Calibration is the only way to know that your settings are as accurate as they can be. There may still be errors after calibration, because some TVs simply don't have controls that are capable of removing all errors. But, calibration will insure that any given TV is as accurate as it can be made given the design and controls that are available.
"Movies is magic..." Van Dyke Parks
THX -- ISF -- HAA