Histogram 15
Keysight InfiniiVision HD3-Series Oscilloscopes User's Guide 215
The Histogram dialog box opens with On selected, and the rectangle you
drew becomes the limits window.
Or, you can:
a From the menu, choose Analyze > Histogram....
b In the Histogram dialog box, select On.
2 From the Type drop-down list, you can select:
• Horizontal — The limits window is divided into columns, and the number of
hits in each column is displayed in a histogram bar graph at the bottom of
the graticule.
• Vertical — The limits window is divided into rows, and the number of hits in
each row is displayed in a histogram bar graph at the left of the graticule.
3 From the Source drop-down list, you can select the analog channel, running
math function, or reference waveform to analyze.
4 Define the limits window in which waveform crossings (hits) are measured. See
"Defining the Histogram Limits Window" on page 216.
5 In the Histogram Size field, specify the number of divisions the histogram bar
graph should use:
• For horizontal histograms, you can choose whole and half divisions from 1 to
4.
• For vertical histograms, you can choose whole and half divisions from 1 to 5.
You can select Reset Histogram to zero the histogram counters.
The following screen shows a vertical histogram:
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