Hello, I have a eye-one instrument, lsusb shows : Bus 001 Device 005: ID 0971:2001 Gretag-Macbeth AG ls -l /dev/bus/usb/001/005 says : crw-rw-rw- 1 root root 189, 4 2008-08-20 12:52 /dev/bus/usb/001/005 But sudo dispcal shows : dispcal: Error - dispread failed with 'Instrument Access Failed' I don't find my product ID 2001 in Argyll.rules file, so I'm wondering if the instrument is supported. Does anybody use the same instrument with Argyll ? Thanks, Joe