Hold down the Alt key and,
Place the mouse pointer near a frequency estimate (vertical line) on the Mode Indicator graph to display its Frequency & Damping balloon.
Click the left mouse button to display its Frequency & Damping box permanently on the Mode Indicator graph.
Click & drag to move the nearest Frequency & Damping box on the Mode Indicator graph.
Click the right mouse button to erase all Frequency & Damping boxes on the Mode Indicator graph.
Click & drag to draw a selection box enclosing a group of stable poles on the Stability or Poles diagram.
Right click near a frequency estimate (vertical line) on the Mode Indicator to select the mode in the Modal Parameters spreadsheet.
Display the Band cursor and enclose one of more vertical lines on the Mode Indicator to select the modes in the Modal Parameters spreadsheet