I replied with an attachment. However, I am not sure if attachments are allowed at the list, so I am also embedding the log file as inline text below. If this isn't a good thing to do please feel free to delete this email from the list. usb_get_paths: found instrument vid 0x0971, pid 0x2000 icoms_get_paths: There don't appear to be any FTDI serial ports icoms_get_paths: There don't appear to be any serial ports new_inst: called with path 'libusb0-0002 (GretagMacbeth i1 Pro)' i1pro_init_coms: called i1pro_init_coms: about to init USB usb_open_port: open port '\\.\libusb0-0002' succeeded i1pro_init_coms: init coms has suceeded i1pro_init_inst: called i1pro_reset: reset with mask 0x1f @ 0 msec i1pro_reset: complete, ICOM err 0x0 (0 msec) i1pro_getmisc: @ 94 msec i1pro_waitfor_switch_th: read 1 byte from switch hit port @ 94 msec i1pro_getmisc: returning 503, 0x07d0, 0xfa00, 0x01, 0x02 ICOM err 0x0 (0 msec) Firmware rev = 503, max +ve value = 0xfa00 i1pro_readEEProm: address 0x0 size 0x2000 @ 94 msec i1pro_readEEProm: 0x2000 bytes, ICOM err 0x0 (250 msec) Serial number = 856902 Date of manufactur = 10-12-2008 CPLD rev = 999 Capabilities flag = 0x6fc Physical filter flag = 0x80 No filter fitted High gain = 4.9705991745 Normal non-lin = 0.0000000000 1.0077389479 -0.0000000251 -0.0000000000 High Gain non-lin = 0.0000000000 1.0227869749 -0.0000008189 0.0000000000 sens_target 45000, sens_dark 150, sens_sat0 55000, sens_sat1 55000 Doing Restoring reflective spot calibration information from the EEProm i1pro_restore_calibration restoring from file 'C:/Users/Alan/AppData/Roaming/Cache/ArgyllCMS/.i1p_856902.cal' i1pro_restore_calibration: 29 secs from instrument last open i1pro_touch_calibration touching file 'C:/Users/Alan/AppData/Roaming/Cache/ArgyllCMS/.i1p_856902.cal' i1pro_getmisc: @ 344 msec i1pro_getmisc: returning 503, 0x07d0, 0xfa00, 0x01, 0x02 ICOM err 0x0 (0 msec) i1pro_reset: reset with mask 0x1f @ 344 msec i1pro_reset: complete, ICOM err 0x0 (0 msec) i1pro_getmeasparams: @ 437 msec i1pro_getmeasparams: returning 294, 20, 1, 0x04 ICOM err 0x0 (0 msec) i1pro_init_inst: instrument inited OK i1pro_imp_set_mode called with mode no 0 and mask 0xa197d0 i1pro_imp_get_n_a_cals: checking mode 0 Invalidating adaptive dark cal as 1412582462 secs from last cal Invalidating dark cal as 166893810 secs from last cal Invalidating white cal as 166893810 secs from last cal i1pro_imp_get_n_a_cals: checking mode 0 Invalidating adaptive dark cal as 1412582462 secs from last cal Invalidating dark cal as 166893810 secs from last cal Invalidating white cal as 166893810 secs from last cal inst_handle_calibrate called About to call calibrate at top of loop i1pro_imp_calibrate called with calt 0x2, calc 0x0 i1pro_imp_get_n_a_cals: checking mode 0 Invalidating adaptive dark cal as 1412582462 secs from last cal Invalidating dark cal as 166893810 secs from last cal Invalidating white cal as 166893810 secs from last cal Calibrating mode 0 Calibrate returned calt 0x60, calc 0x10, ev 0x12007a About to call calibrate at top of loop i1pro_imp_calibrate called with calt 0x60, calc 0x10 i1pro_imp_get_n_a_cals: checking mode 0 Invalidating adaptive dark cal as 1412582464 secs from last cal Invalidating dark cal as 166893812 secs from last cal Invalidating white cal as 166893812 secs from last cal Calibrating mode 0 Doing initial black calibration with dcaltime 0.050000, int_time 0.013601, nummeas 4, gainmode 0 i1pro_setmcmode: mode 1 @ 3042 msec i1pro_setmcmode: done, ICOM err 0x0 (0 msec) i1pro_getmcmode: called @ 3042 msec i1pro_getmcmode: returns 2, 1, (128), 136, 68 0x0 ICOM err 0x0 (0 msec) i1pro: Int time 13.600000 msec, delay 0.000000 msec, no readings 4, expect 54.400000 msec i1pro_setmeasparams: 200, 0, 4, 0x06 @ 3042 msec i1pro_setmeasparams: returning ICOM err 0x0 (0 msec) i1pro_triggermeasure: trigger after 10msec delay @ 3042 msec i1pro_triggermeasure: scheduled triggering OK i1pro_readmeasurement: inummeas 4, scanflag 0, address 0000000000335480 bsize 0x400 @ 3042 msec i1pro_delayed_trigger: start sleep @ 3042 msec i1pro_delayed_trigger: trigger @ 3042 msec i1pro_delayed_trigger: returning ICOM err 0x0 (0 msec) i1pro_readmeasurement: read 4 readings, ICOM err 0x0 (78 msec) i1pro_readmeasurement: (trig & rd times 0 0 78 0) Execution time of dark calib time 0.013600 sec = 78 msec Doing initial white calibration with current inttime 0.013600, gainmode 0 i1pro: Int time 13.600000 msec, delay 175.712000 msec, no readings 4, expect 230.112000 msec i1pro_setmeasparams: 200, 19, 4, 0x04 @ 3120 msec i1pro_setmeasparams: returning ICOM err 0x0 (0 msec) i1pro_triggermeasure: trigger after 10msec delay @ 3120 msec i1pro_triggermeasure: scheduled triggering OK i1pro_readmeasurement: inummeas 4, scanflag 0, address 0000000000335480 bsize 0x400 @ 3120 msec i1pro_delayed_trigger: start sleep @ 3120 msec i1pro_delayed_trigger: trigger @ 3120 msec i1pro_delayed_trigger: returning ICOM err 0x0 (0 msec) i1pro_readmeasurement: read 4 readings, ICOM err 0x0 (437 msec) i1pro_readmeasurement: (trig & rd times 0 0 437 0) Checking white reference Checking white reference failed, 0.11 < avg01 0.008859 < 0.22, 1.35 < avg2227 1.468443 < 1.6 Calibrate returned calt 0x20, calc 0x10, ev 0xe0035 inst_handle_calibrate user aborted 0xa0000 i1pro_touch_calibration touching file 'C:/Users/Alan/AppData/Roaming/Cache/ArgyllCMS/.i1p_856902.cal' i1pro_terminate_switch: called i1pro_terminate_switch: done, ICOM err 0x0 i1pro_waitfor_switch_th: failed with ICOM err 0x10000 (17441 msec) -------------------------------------------- On Mon, 10/6/14, Graeme Gill <graeme@xxxxxxxxxxxxx> wrote: Subject: [argyllcms] Re: i1 pro - eye one pro - spotread error To: argyllcms@xxxxxxxxxxxxx Date: Monday, October 6, 2014, 1:57 AM Alan Rockwood (Redacted sender alanrockwood2000@xxxxxxxxx for DMARC) wrote: > Also, is it possible to clean the white target? If so, what would be the procedure? (I > don't want to ruin it.) From the manual: "If necessary you can clean the white reference ceramic tile with isopropyl alcohol and a soft clean cloth." > Also, is it possible to force it to read without calibrating to the target first? Not at present. Graeme Gill.