The DSC XW19-CDM28 ChromaDuMonde (CDM) Color Charts Generate DSC’s unique hexagonal Rec. 709 vectorscope display. CDM’s are also an invaluable on-the-set reference in post production. Different combinations of colors from 12 to 72. CDMs also include a precision crossed grayscale for quick adjustment of gammas. From testing cameras to production control, this is the ultimate on-set reference.