Bio-Rad EXQuest Spot Cutter - Manual (Page 154)

Matchsets
5-3
spot quantities measured in O.D.s cannot be compared to spot quantities
measured in counts). Qualitative comparisons are still valid.
5.1 Creating a MatchSet
A MatchSet is created from the Gaussian and Filtered images of the gel(s) in an
experiment. After you have completed gel selection and spot detection in the
Automated Detection and Matching dialog just proceed to Step 3 - Creating a
MatchSet.
To create a MatchSet later, select New MatchSet from the Match menu.