I note this in relation to the use that I did. But I'm not saying that the product is average !! However, I found its use rather difficult. We are asked to make adjustments on points which we have knowledge and not necessarily face a problem, no solution is proposed. For my part, of 2 calibrated screens, one went very well, the other not. But suddenly I found myself having to reconfigure everything to cancel the creation of the profile managed by the probe ...