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Using Limit Testing
Prerequisites
1. Make sure the waveform that you want to use for a
template exists. Your source can be either an active or a
saved channel, math, or reference waveform.
Create template
2. Select the source for your template.
3. Select the destination for storing the template.
4. Set the tolerances specifying the amount of variation from
the template.
5. Click Save to save the template to the location specified in
step 3.
You can create multiple templates and save them in Ref1-Ref4 or
to a location of your choice.
Select waveform to
compare
6. Select the source for the waveform that you want to
compare against the template.
7. Select the template that you want use for the limit test. If
the template that you want to use is stored in a location
other than Ref1–4, then you must first recall the template
waveform to one of the reference locations. See Recalling
a Template Waveform on page 357.
Set up the limit test
options
8. Click Config to set up the action that you want the
instrument to take upon failure of the limit test.
Note
The instrument can take multiple actions.
9. Turn Lock Template to Waveform on if you want to be able
to move the source waveform and the template vertically
together; turn it off to move them vertically independent of
each other.
10. Click Highlight Hits on to show points that fall outside the
template in a different color.
Activate limit testing
11. Click the Limit Test button On to begin testing.
12. Click Reset to clear the highlighting of points that violated
the template.
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