USING THE FFT MATH FUNCTION
1. Set up an FFT math function by pressing the MATH front panel
button. The Math menu is shown.
2. Press the Operation menu option button and select FFT.
3. Press the Source menu option button and select a source (CH1,
CH2) for the FFT waveform.
4. Press the Window menu option button and select a type of window
(Rectangle, Hanning, Hamming, or Blackman).
5. Press the FFT Zoom menu option button and select a zoom factor
(1X, 2X, 5X, or 10X).
6. Press the Next Page menu option button to go to page 2/2.
7. Press the Scale menu option button and select Vrms or dBVrms.
8. Press the Display menu option button and select Split to display the
FFT waveform on the bottom half of the screen or Full screen to
display the FFT waveform on the full screen.
Creating Reference Waveforms
Creating Reference Waveforms
Two reference waveforms (REFA and REFB) can be created and saved into
internal memory on the oscilloscope.
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