How do I select mass/z subranges of a mass spectrum?
Step 1: Display a point, peak, or blob mass spectrum. Step 2: Within the graph area of the Mass Spectrum Viewer, click-and-drag the left mouse-button to designate the desired subrange. Alternatively, enter the minimum and maximum mass/z values and then click the Add button in the Add Range dialog of the Mass Spectrum Viewer. Step 3: If desired, change the subrange by repeating Step 2 or add additional subranges by repeating Step 2 with the control key depressed. The reset button or left mouse-button click without the control key clears any previously selected subranges.