Gerhard Fuernkranz wrote: > Even if the VM's virtual graphics card does emulate LUTs (thus enabling an > individual calibration > of each VM) the calibration of the host display does possibly still matter, > since both, the VM's > and the host's LUTs might be applied in sequence then (depending on the > implementation). Hi Gerhard, yes, that sort of thing would seem to be a possibility. It would take some careful checking to make sure that the emulation is faithful enough. I worry about the USB too, given how temperamental some of the instruments are. Graeme.