> With the instrument plugged in, first try running "spotread -?", and check > that the Spyder 3 is listed in the available instruments of the usage. > You could then try "spotread -yl" or something like "dispcal -v -yl -R test" > (assuming you have an LCD display), and see how it goes. Spot read looks like it is working (I guess). However I left the dispcal running for a time but the process did not terminate it was however was using a significant amount of CPU. $ bin/dispcal -v -yl -R test PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 14205 kie 20 0 4964 1088 860 S 36 0.1 16:11.43 dispcal best rgds Kie $ bin/spotread -? Read Print Spot values, Version 1.0.4_Beta Author: Graeme W. Gill, licensed under the GPL Version 3 usage: spotread [-options] [logfile] -v Verbose mode -s Print spectrum for each reading -S Plot spectrum for each reading -c listno Set communication port from the following list (default 1) 1 = 'usb:/bus0/dev4 (Datacolor Spyder3)' 2 = '/dev/ttyS0' 3 = '/dev/ttyS1' -t Use transmission measurement mode etc. $ bin/spotread -yl Place instrument on spot to be measured, and hit [A-Z] to read white and setup FWA compensation (keyed to letter) [a-z] to read and make FWA compensated reading from keyed reference 'r' to set reference, 's' to save spectrum, 'h' to toggle high res. Hit ESC, ^C or Q to exit, any other key to take a reading: Result is XYZ: 61.276108 97.322085 31.015913, D50 Lab: 98.955157 -65.618893 53.846011 Place instrument on spot to be measured, and hit [A-Z] to read white and setup FWA compensation (keyed to letter) [a-z] to read and make FWA compensated reading from keyed reference 'r' to set reference, 's' to save spectrum, 'h' to toggle high res. Hit ESC, ^C or Q to exit, any other key to take a reading: Spot read stopped at user request! > From there on, consult the "scenarios" section and the detailed tool entries. > > Graeme Gill.