Tektronix MSO70000 Series Technical Reference page 179

Performance Tests (MSO70000/C Series, DSA/DPO70000B/C Series, and DPO7000 Series)
MSO70000/C, DSA70000B/C, DPO7000B/C, DPO7000, MSO5000, DPO5000 Series
Touch MidRef. Using the keypad or multipurpose knobs, set the mid
reference level to 0 V. Touch the X (Close) button.
Click one of the cursors to assign the multipurpose knobs to the
cursors.
Using the multipurpose knobs, set the Cursor 1 x position to –5.0 ns,
and set the Cursor 2 x position to +5 ns.
Press the Multiview Zoom front panel button.
Using the multipurpose knobs, set the Zoom position to 25%, and
set the Zoom factor to 20.
Press the Cursors front-panel button twice to assign the multipurpose
knobs to the Cursors.
Set the Cursor 1 x position to align the cursor with the nearest trough
of the waveform.
Press the Zoom button twice. Set the Zoom position to 75%.
Press the Cursors button twice. Set the Cursor 2 x position to align
the cursor with the nearest trough of the waveform.
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