DS4000E User’s Guide 10-13
Chapter 10 Waveform Recording RIGOL
range, this function can help you quickly finish the setting.
b. Press End Frame and turn the multi-function knob or the inner
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 to set the threshold
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”.
4. Start the analysis
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.
During the waveform analysis, you can press Cancel to stop the analysis.
Pressing Start again can restart the analysis.
Note: During the analysis process, the progress bar is displayed on the screen
and the settings cannot be modified.
5. View the analysis results
After the analysis finishes, the analysis results are displayed on the screen and
the first error frame is located as shown in the figure below.
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