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Optoma HD806 Projector Calibration and Settings-2

Posted on December 15, 2008 By Art Feierman

The default color settings for User, are cooler than the defaults for Cinema mode. Unfortunately, the Optoma does not allow you to specify which preset’s color settings you want to start with. So, we started with User, and ended up with a little wider swing in temperature range, than the default Cinema, but, despite that, a slightly better balanced image.

The default color settings for User, are cooler than the defaults for Cinema mode. Unfortunately, the Optoma HD806 does not allow you to specify a particular preset for the starting point in a calibration. So we started with what User served up, and ended up with a little wider swing in temperature range, than the default for Cinema. Despite that, we ended up with a slightly better balanced image, overall.

Gamma measured to 2.28, pretty close to the ideal 2.2 for movie watching. We did not measure different degamma’s (Film, Video, etc.) Video, however nicely lowers the gamma to give a big more brightness to the mid and darker areas for better TV and sports type viewing.

RGB Settings

These are the adjustments we made to Red, Green and Blue for the grayscale balance of the User mode
Red Gain 105 (100)
Green Gain 100 (100)
Blue Gain 98 (100)
Red Bias (127)
Green Bias (127)
Blue Bias (127)

Resulting color temperature of white: 6742K, but the rest of the range is almost dead on.

For a quick calibrate of “brightest mode” Mike recommends using the User setting, with the color temp set to warm (instead of User). Not quite as good a color balance, but it takes you back up a couple hundred lumens in brightness, to about the original Cinema measurement in the mid-1700 lumen range.

Optoma HD806 Projector Calibration and Settings
Optoma HD806 – Projector Screens