Measuring Waveforms
3- 140
CSA7000B Series & TDS7000B Series Instruments User Manual
Readouts
Graticule
Cursors
Measurement
readouts
Cursor
readouts
Figure 3- 34: Graticule, Cursor, and Automatic measurem ents
Taking Automatic Measurements
The instrument automatically takes and displays waveform measurements. This
section describes how to set up the instrument to let it do the work of taking
measurements for you.
Because automatic measurements use the waveform record points, and Fast Ac-
quisitions mode and Waveform Database mode measurements use a multidimen-
sional array of points, automatic measurements are usually more accurate than
cursor and graticule measurements. And the instrument does the work, continu-
ously taking, updating, and displaying these measurements.
Some features of automatic measurements follow.
Annotate Waveforms On Screen. You can create text to mark characterization
levels that each measurement uses to compute results (see Figure 3--35). See
Customizing the Display on page 3--131, Label the Waveform on page 3--229,
and Annotate Measurements on page 3--146 for additional information.
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