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Re: [colorvision_group] Re: Matching dual monitors with Spyder2 Pro

2006-03-15 by CDTobie@aol.com


In a message dated 3/14/06 2:47:25 PM, xun911@... writes:


Yes that's exactly what I'm doing.
"Supposedly" windows doesn't support multiple monitor profiling.


Windows does not "support" this, in the sense that it often does not provide two distinct profiles for the two monitors. So when an application like Photoshop calls for the monitor profile, the same profile is applied to both.

But obviously that's been proven wrong.

No, it has been proven to be a variable situation.

though I would like to have somebody more knowledgeable to explain this to me.. how does it work? I meant my Radeon 9800 only has one LUT, how did it manage to get the other monitor profiled?

There is a difference between video card calibration (what the LUT is used for) and monitor profile assignment, which is what Windows oftens fails to do on a per-monitor basis, and instead does on a per-card basis. With only one LUT, your card can't hold calibrations for two monitor with different video card calibration corrections for each. You can check and see if Photoshop is capable of assigning two profiles for the different monitors, but that won't do you a lot of good if you can't store two different VLUT data sets for the calibration.

C. David Tobie
Product Technology Manager
ColorVision, Inc.
CDTobie@...
www.colorvision.com



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