On Tue, Aug 17, 2010 at 01:12:36AM +1000, Graeme Gill wrote: > protocol.) The unlock string looks to be "ObiW". Thank You. Using "ObiW" instead of "GrMb" in spectro/i1disp.c:i1disp_check_unlock() and spotread produced: icoms: usb port characteristics set ok i1disp: Sending cmd 00 args '' response '36 2e 30 30 00' ICOM err 0x0 i1disp: init coms has suceeded i1disp: About to init instrument i1disp: about to check response and unlock instrument if needed i1disp: Sending cmd 00 args '36 2e 30 30 00' response '36 2e 30 30 00' ICOM err 0x0 i1disp: Sending cmd 08 args '79' response '79 4c 00' ICOM err 0x0 i1disp: instrument is responding, unlocked, and right type ... i1disp: all registers read OK i1disp: instrument inited OK Jarkko Lavinen