The Spectral Analysis page can be accessed by connecting to a Ruby via USB.
For more details on controlling the signal display traces, see Moving and Zooming around in the Signal Display Traces or Navigating Signal Display Controls.
Tap the Parameters button to open a menu that contains additional buttons for editing the spectral analysis settings. Sliding left on the menu will reveal more buttons.
Change the sampling rate from 16.00kHz to 125.0Hz.
Change various analysis parameters such as:
Change the location ID of each channel.
Change the signal recording of:
Tap the Control button to open a menu that contains additional buttons for controlling the spectral analysis traces.