The spectrum analyzer mode displays the signal in the frequency domain.
Select mono-lateral or bi-lateral spectum mode.
Select Spectrum analyzer (1D) and Spectrum scale linear.
Adjust the Vertical and Horizontal control sliders as wished.
Spectrum analyzer in 1D mode.
Spectrum analyzer in 2D mode : select Spectrum analyzer (2D).
Adjust the Vertical and Horizontal control sliders as wished.
Spectrum analyzer in 3D mode : select Spectrum analyzer (3D).