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SDS6000L User Manual
1 9 6 i n t . s i g l e n t . c o m
ï‚Ÿ Click Span to set the frequency span with the center frequency as the center by the mouse
wheel or the virtual keypad.
ï‚Ÿ Click Start to set the start frequency by the mouse wheel or the virtual keypad.
ï‚Ÿ Click End to set the end frequency by the mouse wheel or the virtual keypad.
The relationship between Center, Span, Start, and End is:
Center = (Start + End)/2
Span = End – Start
FFT Tools
The SDS6000L provides two tools for the FFT waveform: Peaks and Markers. The peaks tool can
automatically search the qualified peak points and mark them on the FFT waveform. Up to 10 peaks
are supported. Based on the peak tool, the markers tool can automatically search the qualified
harmonics, and users can control the position of each marker. Up to 8 markers are supported.
Click Tools in the math dialog box to recall the FFT tools dialog box:
When the FFT tool peaks is selected, the dialog box is as
follows:
A. Turn on or off the table. Turn on the table, the peaks
searched with the limit of Search Threshold and
Search Excursion will be displayed in a table
B. Turn on or off the display of peak frequency in the table
C. Sort peaks by amplitude or frequency
D. Set the search threshold. Only peaks larger than the
limit are shown
E. Set the difference between the peak value and the
minimum amplitude on both sides. The difference
should be greater than the search excursion
F. Return to the previous menu
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