Spectrum Readings
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The row of blue figures immediately below the main display are useful tools:
The group on the left will only appear if the cursor is over the display. They show the cursor displacement from VFOA, the signal level at the cursor and the absolute frequency at the cursor. If the cursor is hovering over the waterfall the second figure will instead show the time elapsed to reach that position.
The  group on the right are for the largest signal currently with the displayed span, its displacement from VFOA, its level and its absolute frequency.

The middle orange figure is the current width of the displayed frequency span. It varies with the span slider, and the setting is saved per mode for each of  ssb, cw, am, fm and digimodes. Left clicking on the orange figures will put a horizontal marker line in the waterfall if Waterfall Markers is enabled in the Options tab.
 
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