has value type scan attribute preset scan configuration A user-defined scan configuration that specifies the instrumental settings in which a spectrum is acquired. An instrument may cycle through a list of preset scan configurations to acquire data. This is a more generic term for the Thermo "scan event", which is defined in the Thermo Xcalibur glossary as: a mass spectrometer scan that is defined by choosing the necessary scan parameter settings. Multiple scan events can be defined for each segment of time. MS:1000616 MS