240 WM-OM-E Rev I
ANALYSIS
Pass/Fail Testing
Comparing Parameters
Each Pass/Fail input (Qx) can compare a different parameter result to a user-defined limit (or
statistical range) under a different condition.
The conditions are represented by these comparison operators:
At the touch of a button, test results can also be compared to these standard statistical limits:
• current mean
• mean + 1 SD
• mean + 3 SD
In Dual Parameter Compare mode, your X-Stream scope gives you the option to compare to each
other parameter results measured on two different waveforms. You can set your test to be true if
Any waveform or All waveforms fit the criterion stipulated by the comparison condition. Your setup
is conveniently shown in the Summary box of the Qx dialog. For example:
Mask Tests
You have the choice to do mask testing by using an existing mask, or by using a mask created from
your actual waveform, with vertical and horizontal tolerances that you define. Existing masks can
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