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For channel waveforms, the vertical and horizontal controls that you set also adjust the instrument acquisition parameters. See

the following for more information:

■

Vertical Acquisition Window Considerations.

■

Horizontal Acquisition Window Considerations.

To change the size of the acquisition waveform and zoomed waveform windows, select the Graticule Size in the Zoom Setup

control window. The 50-50 selection allocates half of the available display for the zoomed graticule and half of the available

display for the acquisition window. The 80-20 selection allocates 80% of the available display for the zoomed graticule and 20%

for the acquisition window. Select Full to use the entire display for the zoomed graticule.

The display elements are the same for each graticule.

What do you want to do next?

Learn about customizable display elements.

Learn about using the MultiView Zoom feature.

Go to a step-by-step procedure for displaying waveforms.

Operations on the time base

In general, to adjust the time base, use the front-panel horizontal Scale, Resolution, and Positions knobs. Only channel

waveforms can be set directly.

Here are some key points to remember about how horizontal operations relate to the waveform types:

■

Reference waveforms are shown with the horizontal settings in effect at the time that they are saved. You cannot adjust

these settings. See Saving and Recalling Waveforms more information on reference waveforms.

■

Math waveforms are shown with the horizontal settings derived from the math expression that creates them. You cannot

change these directly. See Creating or Using Math Waveforms for more information on math waveforms.

■

All waveforms are displayed within the horizontal divisions that the graticule provides. However, some waveforms may

actually be wider or narrower than the display due to acquisition rate/time scale combinations and acquisition preview.

What do you want to do next?

Learn about the horizontal reference point.

Learn about using the MultiView Zoom feature.

Go to a step-by-step procedure for displaying waveforms.

Horizontal position and the horizontal reference point

The time value you set for horizontal position is measured from the trigger point to the horizontal reference point. This is not the

same as the time value from the trigger point to the start of the waveform record, unless you set the horizontal reference to 0%.

See the next figure.

Oscilloscope reference

684 DPO70000SX, MSO/DPO70000DX, MSO/DPO70000C, DPO7000C, and MSO/DPO5000B Series

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