[argyllcms] Re: Multiple issues with Argyll, please help
- From: Frédéric <frederic.mantegazza@xxxxxxxxxxx>
- To: argyllcms@xxxxxxxxxxxxx
- Date: Tue, 19 Aug 2008 18:01:15 +0200
On mardi 19 août 2008, Rajiv Mehra wrote:
> I am using Argyll to calibrate an LCD monitor, a Plasma TV and a CRT
> Projector (a Sony G70). My meter is a X-Rite Display 2 LT. But after
> playing around with Argyll for quite some time I have some issues. I was
> hoping people who are well versed with Argyll may be able to help me.
Did you check the values the sensor returned? With projectors, you have to
be carefull to be in a realistic range, to avoid clipping or too low
levels, which both lead to strange results. Try to move the sensor
from/toward the screen (or the projector, depending how you are taking
measures, direct or reflected), to get white value arround 100cd/m², as
for standard monitors.
I think it is very difficult to get such value with a reflected measure;
that's why we put the sensor toward the projector, using the diffusor for
ambiant light measurement. This gives good results.
Hope this helps...
--
Frédéric
http://www.gbiloba.org
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