On Mon, Feb 7, 2011 at 3:33 PM, Joseph McAllister <pentax...@mac.com> wrote:
> Good to know, GD. I thought of that, but didn't look it up. Controlling LED 
> backlighting must be easier. Though you'd think it would be much brighter at 
> 100%.
>
> I re-read the manual for Dark Adapted today as I upgraded to the latest 
> version. In it they recommend you do your monitor calibration with it turned 
> off completely. Their reason is that once calibrated at full brightness, 
> Apple's firmware or software will maintain the color balance and gamma down 
> to the minimum in-computer brightness, and Dark Adapted will maintain and/or 
> adjust it further as you lower the brightness with their add-on software 
> adjustments.

Well, they try. Unfortunately, LCD monitors and your eyes do shift as
the illumination levels vary. Yes, turn the auto-adjustment off when
doing the calibration for sure. Turn it off when doing critical
editing work too ... :-)

-- 
Godfrey
  godfreydigiorgi.posterous.com

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