Datacolor User to User Support Group.

>>Is the while calibration tile dedicated to my spectro?

Yes, each spectro is calibrated to its own white tile.

>> I noticed it too
has the same serial no. Why would it be necessary to have a dedicated
white tile when the spectro only needs to calibrate to the white tile
and make all subsequent readings from that calibration?

Because the definition of the white tile's value has been determined by 
a master device, and stored in the spectro's memory. It works that way 
with all such devices...

>> Wouldn't just
about any white tile from PFP be good enough?

The PFP white tiles are very consistant, so there would not be a big 
problem using any of them, but its just good policy to calibrate the 
device to a specific tile, when possible.

>>In case the white tile is lost, soiled or damaged, what do we do then?

If its soiled you clean it. If its lost, or seriously damaged, you 
either get a replacement tile from Datacolor (the cheap fix), or you 
send your spectro back for recalibration to a new tile (less 
convenient, more time consuming, more expensive fix).

>>I have kept mine in a plastic bag to protect it.

Not a bad idea, but mine sits out on the desktop with the spectro on 
it. Or rides around in my briefcase (in which case I do use a plastic 
bubblewrap bag). At the moment its moving from country to country in my 
briefcase, with no issues about power adaptors or plug convertors 
(Swiss is different than Italian, is different than German...); got to 
love that USB-direct power!

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