Tektronix DPO3000 Series - Page 197

Analyze Waveform Data
FFT
3. Push the side-bezel menu FFT Source button,
if needed, and turn multipurpose knob a
to select the source to use. Choices are:
channels 1, 2, 3, 4, reference waveforms R1,
R2, R 3, and R4.
FFT Source
1
4. Push the side-bezel Vertical Scale button
repeatedly to select either Linear RMS or dBV
RMS.
Vertical
Units
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 but ton to
activate multipurpose knobs a and b to pan
and zoom the FFT display.
Horizontal
625kHz
1.25kHz/div
DPO3000 Series Oscilloscopes User Manua l 181