Analyze Waveform Data
3. Push the side-bezel menu FFT Source button
repeatedly to select the source to use. Choices
are: channels 1, 2, 3, 4, reference waveforms
1, 2, 3, and 4.
Math
Definition
FFT Source
1
4. Push the side-bezel Vertical Scale butto n
repeatedly to select either Linear RMS or dBV
RMS.
Vertical
Scale
Linear RMS
5. Push the side-bezel Window button repeatedly
to select the desired window.
Window choices are: Rectangular, Hamming,
Hanning, and Blackman-Harris.
Window
Hanning
6. Push the side-bezel Horizontal button to
activate multipurpose k nobs a and b to pan
and zoom the FFT display.
Horizontal
0.00 Hz
40.0
154 DPO4000 Series User Manual
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