Real time spectrum viewer

This viewer shows the spectral content of one input channel.

By default, the viewer is frozen to lessen the computational load. Click Unfreeze to enable it:

Button to unfreeze the real time spectrum viewer

A blue line will be drawn:

Active real time spectrum viewer

Settings

  • Freeze: Hold the current graph for inspection. It also stops the computational load.
  • Reset: Clear the time history, related to Time weighting.
  • FFT settings: See FFT settings.
  • Settings menu: See below.

Settings menu

Select the input channel to be viewed and what property should be calculated. The settings shown below work for most situations. More information about the Power Spectra Settings can be found on the page Power Spectra.

Settings menu