Measurement setups Set up histogram measurements
Behavior
From this control window, you can do the following:
Define histogram measurements for the selected waveforms.
Select a waveform source using the Channels Selector (see page 258). You can measure live
waveforms, math waveforms, or reference waveforms.
Create a list o f measurements to appear in the main graticule or in a separate measurement window.
Define the unique reference levels for each measurement.
Use ga
ting to limit the measurements to a specific area of the waveform.
Set up measurement statistics.
Set up histograms to evaluate specific regions of the waveform.
NOTE. Automatic measurements are not available on digital channels.
TIP. Turn on Fast Acquisitions to enhance your measurements. In Fast Acquisitions mode, measurements
arecalculatedonanarrayofacquiredwaveforms. Asthe waveforms accumulate (with persistence o n),
yo
ur measurement accuracy may increase. However, only one or tw o channels can be displayed when you
take automatic measurements using Fast Acquisitions mode.
I
f three or more channels are displayed, Fast Acquisitions mode is turned off, and then the requested
measurements are made. Fast Acquisitions mode is not automatically turned back on when you select
fewer than three channels.
What do you want to do next?
Go to a step-by-step procedure to set up the inst rument for taking measurements. (see page 604)
DSA/DPO70000D, MSO/DPO/DSA70000C, DPO7000C, and MSO/DPO5000 Series 291
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