Use the Linear RMS vertical scale to see an overall view of how all frequencies
levels compare to each other.
6. Push the Window side-menu button and use the Multipurpose knob to select
and click Hanning, Rectangular, Hamming, or Blackman-Harris. See
About FFT windows on page 116.
7. Push the Horizontal Center Position side-menu button and use the
Multipurpose knob to position the FFT graph horizontally. The readout on
the side menu is the frequency of the waveform point that is positioned on
the center vertical graticule. Use this to quickly measure FFT ‘spike’
frequencies.
Analyzing a waveform
114 TBS2000B Series Oscilloscopes User Manual
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