10-26
IM DLM6054-01EN
Performing Measurements on FFT Waveforms (Measure)
You can analyze values on an FFT waveform using marker cursors and peak cursors.
Cursor Type (Mode)
Set the cursor that you want to use for analysis to one of the options listed below.
• Marker: Using two marker cursors, you can display frequencies, levels, and the difference
between the markers.
• Peak:
Using two peak cursors, you can display peak values (Peak1 and Peak2) and the
difference between the peaks.
• OFF:
Cursor measurement is disabled.
Marker Cursors (Marker)
The DL6000/DLM6000 displays the frequencies and levels at the two marker cursors (F1 and F2).
It can also display the difference between the cursors. Marker cursors move on the waveform data
points.
+
F2
F1
Measurement Items (Item)
Set the measurement item to one of the settings below.
F1: The F1 frequency
F2: The F2 frequency
D
F: The frequency difference between F1 and F2
V1: The F1 level
V2: The F2 level
D
V: The difference between the F1 and F2 levels
• Marker Cursor Positions (F1 Position and F2 Position)
You can set the F1 and F2 positions.
Range: ±5.00 divisions
Peak Cursors (Peak)
Within each of the two frequency ranges (Peak1
T1 to T2 and Peak2 T1 to T2) that you specify, the
DL6000/DLM6000 determines the peak (Peak1 and Peak2) and displays the frequencies, levels,
and the difference between the peak values.
+
Peak2
The range
of Peak1
The range
of Peak2
10.5 Performing FFT Analysis
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