Oscilloscope Reference Set the vertical position/scale
Behavior
Use the Offset control to eliminate clipping the waveform (see page 489). The offset control affects
the vertical acquisition window by subtracting a DC bias from the waveform. This moves the level at
the vertical center of the acquisition window of the selected channel. Visualize offset as scrolling the
acquisition window toward the top of a large signal for increased offset values and scrolling toward
the bottom for decreased offset values.
The offset control affects the waveform display by defining the channel reference indicator to match the
offset rather than the ground level. The offset affects only channel waveforms as compared to the position
control
that affects all waveforms, including math and re ference waveforms.
What do you want to do next?
Continue to learn about the Vertical Setup controls. (see page 956)
Set the vertical position/scale
From the Vertical menu, select Vertical Setup.
To use
Use the Position control to set the vertical position of the waveform and the Scale control to set the
vertical scale.
3. Click a Chan <1–4> tab to select the waveform on screen.
4. Click in the Position e ntry box and use the multipurpose knobs to adjust the position of the waveform.
5. Click in the Scale entry box a nd use the multipurpose knobs to adjust the vertical sensitivity.
DSA/DPO70000D, MSO/DPO/DSA70000C, DPO7000C, and MSO/DPO5000 Series 953
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