Analyze Waveform Data
7. The F FT will appear on the display.
Quick Tips
Use short re cord lengths for faster instrument response.
Use long re cord lengths to lower the noise relative to the signal and increase the frequency resolution.
If desired, use the zoom feature along with the horizontal Position and Scale controls to magnify and position the FFT
waveform.
Use the default dBV RMS scale to see a de tailed view of multiple frequen cies, even if they have very different am plitudes. Use
the linear R MS scale to see an overall view of how all frequencies compare to each other.
182 DPO3000 Series Oscilloscopes User Ma nual
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