Bobby Byam wrote: > x-rite NEC MDSVSENSOR3 > Part No. EODIS3-DCNE > Rev. B-01 Hi, yes, the B series of i1d3 appear to have broken the checksum completely - the (unreleased) V1.6.3 code abandons checking it now. For MSWin, I think the tools <vidtools_win32.zip> or here <vidtools_win64.zip> should work in the interim. Graeme Gill.