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Spectrum Plot

This plot is a 2 dimensional plot of the spectrum.  The horizontal axis shows the frequency in Hertz (Hz).  The vertical axis shows the amplitude of each frequency.  The amplitude scale can be modified using the calibration option.

The zoom buttons on the toolbar allow you to easily adjust the displayed frequency span. 

The mouse can be used to measure the frequency and amplitude information directly off the plot.  In addition, right clicking on the plot and choosing the "Copy as Text" menu item will place the current spectral data on the clipboard in tabular format.  This can be directly pasted into any spreadsheet or text file.

Toolbar Controls
Spectrum Plot Options
Cursor Measurements

See Also:  Processing Settings , Measurement Accuracy , Performance Issues