Bio-Rad EXQuest Spot Cutter - Manual (Page 246)

Analysis Sets and Annotations
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Fig. 7-8. Boolean Analysis Set
Enter the name and description to be given to the analysis set.
In the Compare section, add at least two analysis sets to use in your analysis. If you
choose more than two sets, then you will only be able to choose between spots present
in all sets or spots unique to all sets. All other choices will be inactive.
Select the Boolean operator in the Method section.
When you click Save, the new analysis set appears in the ASM and the spots that
meet the criteria that you specified will be highlighted.