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Mitsubishi HC6800 Projector Calibration and Settings-2

Posted on May 28, 2010 by Art Feierman

Mitsubishi HC6800 Post Calibration Grayscale

When done with the calibration, the HC6800 achieves color accuracy about as good as any other projector recently reviewed, including the JVC DLA-RS25

Color Temp over IRE Range (Post calibration)

AVMemory 1
20 IRE 6602K
30 IRE 6472K
40 IRE 6489K
50 IRE 6492K
60 IRE 6516K
70 IRE 6554K
80 IRE 6528K
90 IRE 6420K
100 IRE 6307K
 Average gamma                           2.18

Gamma settings

Mike put it this way. The default gamma is almost dead on, averaging 2.18, with unusual tendencies.

Dynamic Iris

The dynamic iris is nicely done. I've found it to be one of the least noticeable out there. In fairness, though, the blacks, being not that spectacularly black, might indicate that the range of the iris isn't particularly great. And in that case, it's easier to make iris action a bit less detectable.

Mitsubishi HC6800 RGB Settings

These are the adjustments we made to Red, Green and Blue for the grayscale balance.
Calibration of best mode is saved on AV Memory 1.
Default settings for all is 0.

You may only choose from Cool, Warm or Medium as a starting temp in User.  Medium color temp as reference in User.

User 1 gamma is set with RGB at 6 on Low, Blue at –1 on Mid.

Medium Ref. Color Temp, User 1 Gamma

AVMemory 1
Contrast R = -1 

G = 0

B = 0

Brightness R = -16 

G = 0

B = -31

 Output at 100 IRE                                     578     

Since the High Brightness cannot be adjusted, we could have created an alternate "brightest mode, with other combinations, although that would have kept maximum brightness under 800 lumens. We'll leave that to you.

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