31 MS6000-EU-EN V1.4 8/12
4.3.1.2 Displaying FFT Spectrum
Push the MATH (M/R) button to display the Math menu. Use the options to select the Source channel,
the Window algorithm, and the FFT Zoom factor. Only one FFT spectrum can be displayed at a time.
Math FFT Options Settings Comments
Source (F3)
(menu page 1)
CH1, CH2 Choose a channel to be the FFT source.
Window (F4)
(menu page 1)
Hanning, Flat Top,
Rectangular(None),
Bartlett, Blackman
Select a type for the FFT window. For more
information, refer to Section 5.3.1.3.
FFT Zoom (F2)
(Menu page 2)
X1, X2, X5, X10
Change the horizontal magnification of the FFT
display. For detailed information, refer to Section
5.3.1.6.
Refer to image above for the following:
1. Frequency at the center graticule line
2. Vertical scale in dB per division (0dB=1V
RMS
,
(Math menu page 2 – F3))
3. Horizontal scale in frequency per division
4. Sample rate in number of samples per second
5. FFT Window type is set to desired type.
