Limit Testing
3–64
TDS 420A, TDS 430A, TDS 460A & TDS 510A User Manual
Figure 3–34: Acquire Menu — Create Limit Test Template
Now create the envelope by specifying the amount of variation from the
template that you will tolerate. Tolerance values are expressed in fractions of
a major division. They represent the amount by which incoming waveform
data can deviate without having exceeded the limits set in the limit test.
4. Press ±V Limit
(side). Enter the vertical (voltage) tolerance value.
5. Press ±H Limit
(side). Enter the horizontal (time) tolerance value.
6. When you have specified the limit test template as you wish, press OK
Store Template
(side). This action creates the template waveform.
To view the template you created, press the MORE button. Then press the
button corresponding to the destination reference memory you used.
NOTE. When Limit Testing is on, the template waveform is dimmed so you can
see the waveform through the template. When limit testing is off, use the
Dots
display style (see Display Modes on page 3–17).
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