Spectragraph display resolution pop-up, 31 3.19. 1 octave display resolution, 31 3.20. 1/2 octave display resolution – Metric Halo SpectraFoo User Manual

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Figure 3.18: Spectragraph display Resolution pop-up

The Resolution pop-up does not affect the resolution of the actual FFT analysis being performed, it only affects
the way that the FFT data is displayed. To control the resolution of the FFT you still use the FFT size commands
found in the Analyzer menu.

Here are some examples of the different modes:

Figure 3.19: 1 octave display resolution

Figure 3.20: 1/2 octave display resolution