[argyllcms] Re: Multiple issues with Argyll, please help

  • From: Graeme Gill <graeme@xxxxxxxxxxxxx>
  • To: argyllcms@xxxxxxxxxxxxx
  • Date: Sun, 24 Aug 2008 21:13:50 +1000

Rajiv Mehra wrote:


By the way, is there a way or a switch to set to have  Argyll retry failed 
instruments reads?


It shouldn't do this. I can put my i1display 2 completely in the dark,
and it returns a reasonable reading. Are you sure that you have installed
the correct (ie., supplied with Argyll) usb driver ?
The default libusb-win32 driver has a timeout that is too short
for the i1display when reading dark readings, and this could cause a failure.

Perhaps you should send me the output of spotread -D2 for such a failure.
Also, the brightness levels I am coping with are pretty normal with video projectors. Does this mean Argyll is good for only LCD/CRT computer monitor calibration? 

The calibration and profiling software isn't sensitive to the absolute
light levels, it is the instrument that is the issue. Some instruments
are not very accurate at low light levels, and can also take some time
to return values.

Graeme Gill.

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