B&K Precision 2532B - Manual - Manual (Page 46)

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Table 8 - FFT Function Menu 1
FFT Option Setting Introduction
Source CH1, CH2 Select this channel as the FFT source.
Window Hanning
Hamming
Rectangular
Blackman Select FFT window types.
FFT ZOOM 1X
2X
5X
10X Changes the horizontal magnification of the
FFT display.
Next Page Page 1/2 Enter the second page of FFT menu.
Table 9 - FFT Function Menu 2
FFT Option Setting Introduction
Scale Vrms Set Vrms to be the Vertical Scale unit.
dBVrms Set dBVrms to be the vertical Scale unit.
Display
Split
Full screen Display FFT waveform on half screen.
Display FFT waveform on full screen.
Next Page
Page 2/2 Return the first page of FFT menu.
To use the Math FFT mode, you need to perform the following tasks:
1. Set up the source (time-domain) waveform.
2. Press the AUTO button to display a YT waveform.
3. Turn the vertical “POSITION” knob to move the YT
waveform to the center vertically (zero divisions).