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Deskew the oscilloscope
This procedure neutralizes any skew in the oscilloscope's waveform display.
1 On the 54845A oscilloscope, change the Horizontal scale to 200 ps/div. You
can do this using the large knob in the Horizontal setup section of the front
panel.
2 Select Setup from the menu bar at the top of the display.
3 Select Channel 1.
4 Select Probes.
5 Click Skew </> to deskew Channel 1 and Channel 2 signals so that both
channels cross the 54845A horizontal center line at the same time, at both
ends of the eye (both crossings of the horizontal center line). The
horizontal center of the graticule line is at 1 volt because the vertical offset
Chapter 3: Testing Logic Analyzer Performance
Connect the Test Equipment
37
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