Left Mouse Button Click Displays a vertical cursor. V Brings up a dialog box allowing the user to sets the value of the sub-integral at the cursor location. If the value is set to zero, the integral values are not displayed. C Clears the sub-integrals, displaying one integral line for the entire spectrum. L Deletes the last created sub-integral.
Q Removes the cursor and aborts a sub-integral selection process.
T Transfers the current sub-integral list to the clipboard for pasting into Notepad or other document. M Toggles location of the printed sub-integral label among the end of the integral line, the top of the page and the bottom of the page. Applies to both screen display and plot. Used to remove overlap of the labels of closely spaced integrals. Applies to both screen display and plot.