The 'Characteristic lines' summary table will now show the same set of numbers in green as well as red, and the cusum preview will now display a meaningful history:
Remove the marks and trial characteristic line by erasing the contents of all the white cells in the 'Select?' column:
Note how there is now a green default characteristic on the scatter diagram. As long as you save the workbook, the line will reappear in future sessions whenever you examine this consumption history.