Model #: ma48 MA48 Out of Production View Upgrade Request Service Register Your Product Downloads Support Articles Definition of Flop Index Error - MA - "Need Calibration..." (warnings) ISO Recertification & Repair - MA Series Reset - is it necessary? Resetting an X-Rite MA68 Show MoreShow Less User Guides and Manuals User Guides MA48 Operation Manual Tech Papers and Application Notes Tech Papers Illuminant Types Understanding Illuminants