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SDS5000X Series Digital Oscilloscope User Manual
FFT Mode. The average count can be set here, ranging from 4 to 1024.
Press the Clear Sweeps on the front panel or touch Reset in the dialog box
to restart the average counter.
Touch Vertical or Horizontal in the math dialog box
to recall the FFT vertical or horizontal settings
dialog box:
A. Set the vertical scale and reference level
B. Set the unit (dBVrms, Vrms and dBm).
When the unit is dBm, the oscilloscope will
automatically calculate the dBm value
based on the
Ext Load
value set in
area
C. Set the external load, which is used to
calculate the correct dBm result
D. Return to previous menu
E. Set the center-span frequencies
F. Set the start-end frequencies
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