Rigol MSO4000 Series User Manual page 299

Chapter 11 Waveform Recording
4. Start the analysis
MSO4000/DS4000 User's Guide
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Note:
The actual adjustable range of the start frame is from 1 to the end

frame (End Frame) currently set.
The larger the rotation amplitude of the outer knob of the

navigation knob is, the faster the variation of the value will be.
When you need to adjust the start frame within a relatively larger
range, this function can help you quickly finish the setting.
Press End Frame and turn the multi-function knob
b.
knob of the navigation knob to adjust the end frame of waveform
analysis (the unit is frame) at a relatively smaller step or turn the outer
knob of the navigation knob to adjust the end frame of waveform
analysis at a relatively larger step. The maximum adjustable range is
from 1 to the number of frames recorded. The default is the number of
frames recorded.
Note:
The actual adjustable range of the end frame is from the start

frame (Start Frame) currently set to the number of the frames
recorded.
The larger the rotation amplitude of the outer knob of the

navigation knob is, the faster the variation of the value will be.
When you need to adjust the end frame within a relatively larger
range, this function can help you quickly finish the setting.
3) Set the waveform analysis threshold
Press Threshold and turn the multi-function knob
of waveform analysis. The range available is from 1% to 99%. The default
is 10%.
The threshold is used to judge whether the data frame is an error frame.
The judgement mode is related to the analysis mode currently selected.
Please refer to "Trace Mode" and "Pass/Fail Test Mode".
After setting the desired waveform analysis parameters according to the steps
above, press Satrt and the oscilloscope will start the waveform analysis
according to the current settings.
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or the inner
to set the threshold
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