Plot any two entries across testers
Under the main menu of Accessories, select Data Plotting, and select Two Entries. A Tester Selection Pane, containing two drop-down text boxes, will appear on the top of the biplot. Select two entries, say, entry3 and entry4, and click the button of Plot 2 Entries. The biplot will be changed to a mono-plot containing only the testers:
This plot shows the following: