221
Keysight InfiniiVision HD3-Series Oscilloscopes
User's Guide
16 Mask Testing
To create a mask from a "golden" waveform (Automask) / 221
Mask Test Setup Options / 223
Mask Statistics / 225
To manually modify a mask file / 226
Building a Mask File / 229
One way to verify a waveform's compliance to a particular set of parameters is to
use mask testing. A mask defines a region of the oscilloscope's display in which
the waveform must remain in order to comply with chosen parameters.
Compliance to the mask is verified point-by-point across the display. Mask test
operates on displayed analog channels; it does not operate on channels that are
not displayed.
Mask test is included as a standard feature.
To create a mask from a "golden" waveform (Automask)
A golden waveform meets all chosen parameters, and it is the waveform to which
all others will be compared.
1 Configure the oscilloscope to display the golden waveform.
2 From the main menu, choose Analyze > Mask Test....
3 In the Mask Test dialog box, select On to enable mask testing.
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