Am 29.07.2013 15:54, schrieb Graeme Gill:
Andre Bischof wrote:( is it right to press "A" here? If not, please tell me what key to hit.)Hi, you should simply press space or return. Pressing a capital letter is for setting up FWA compensation using a spectral instrument.icoms: About to return read 'X -102.31^IY -107.04^IZ -154.62^M<00>' ICOM err 0x0 icoms: Write_Read Write_Read success, returning 'X -102.31^IY -107.04^IZ -154.62^M<00>'Looks like something is wrong with the instrument itself, almost as if it has had a black calibration done on a white reference. Run dispcal again with the -J option, and make sure you follow the instructions and calibrate the instrument against absolute black, ie. make sure the instrument is against a black surface and shielded from direct light. You don't have to complete the dispcal, just go through the instrument calibration and exit. Try a spotread again after that, and see if the readings look more reasonable.
Alright, I did "dispwin -d2 -m" for white: root@linux:~# dispcal -J -yl Place cap on the instrument, or place in on a dark surface, or place on the white calibration reference, and then hit any key to continue, or hit Esc or Q to abort: Calibration complete [...] and afterwards spotread again: # spotread -D8 -yl usb_get_paths about to look through buses: [...] dtp92: About to init coms dtp92Q/dtp94: About to init USB icoms: About to set usb port characteristics icoms: About to open the USB port, tries 0 icoms: USB port needs opening icoms: About to open USB port 'usb:/bus0/dev2 (Xrite DTP94)' open() of USB port 'usb:/bus0/dev2 (Xrite DTP94)' suceeded Number of configurations = 1 icoms: USB port is now open icoms: Clearing any USB errors icoms: usb port characteristics set ok [...] icoms: Write_Read called with '0117CF^M' icoms: About to write '0117CF^M' ICOM err 0x0 icoms: Read called icoms: About to return read '<00>' ICOM err 0x0 icoms: Write_Read Write_Read success, returning '<00>' dtp92: instrument inited OK icoms: Write_Read called with '0216CF^M' icoms: About to write '0216CF^M' ICOM err 0x0 icoms: Read called icoms: About to return read '<00>' ICOM err 0x0 icoms: Write_Read Write_Read success, returning '<00>' 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., 'k' to do a calibration Hit ESC or Q to exit, any other key to take a reading: icoms: Write_Read called with 'RM^M' icoms: About to write 'RM^M' ICOM err 0x0 icoms: Read calledicoms: About to return read 'X 176.20^IY 183.11^IZ 250.29^M<00>' ICOM err 0x0 icoms: Write_Read Write_Read success, returning 'X 176.20^IY 183.11^IZ 250.29^M<00>'
Result is XYZ: 176.200000 183.110000 250.290000, D50 Lab: 125.915123 -0.409870 -44.860192
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., 'k' to do a calibration Hit ESC or Q to exit, any other key to take a reading: ------------------------------ now switched dispwin to black ------------------------------ icoms: Write_Read called with 'RM^M' icoms: About to write 'RM^M' ICOM err 0x0 icoms: Read calledicoms: About to return read 'X 0.08^IY 0.08^IZ 0.12^M<00>' ICOM err 0x0 icoms: Write_Read Write_Read success, returning 'X 0.08^IY 0.08^IZ 0.12^M<00>'
Result is XYZ: 0.080000 0.080000 0.120000, D50 Lab: 0.722637 0.115651 -1.019669
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., 'k' to do a calibration Hit ESC or Q to exit, any other key to take a reading: Spot read stopped at user request! Hit Esc or Q to give up, any other key to retry: icoms: delete called icoms: closing port usb_close_port() called usb port has been released and closed root@linux:~#Looks like the value are not negativ any more - are they more reasonable for you?
What am I supposed to do next? You're really helpful, thanks so far! Cheers Andre