Cursor setups Vertical bar c ursors
Vertical bar cursors
From the Cursor menu, select Cursor Controls, or press the front panel Cursors button.
To use
1. To use the vertical bar cursors, click V Bars in one of the cursor control windows or highlight Cursor
Type from th
e Cursors menu, and then select V-bars from the submenu.
2. Use the multipurpose knobs to move the cursors.
3. Use the cursor Source drop-down list boxes to s elect the waveform you want to measure.
Behavior
Vertical bar cursors measure horizontal parameters. Typically horizontal parameters are in time or
frequen
cy.
The cursor readouts appear near the bottom of the graticule when a control window is open. When the
contro
l windows are closed, the readouts appear at the bottom of the screen.
For time domain waveforms, each cursor has its own readout relative to the trigger point. The Δ (delta)
value
shows the time difference between the cursor values, or the frequency associated with the period
between the cursors (Hz = 1/time).
For f
requency domain signals, each cursor has its own readout relative to 0 Hz. The Δ value shows the
difference in the frequencies between the cursors.
You c
an also use vertical bar cursors with measurement gating. Measurement gating enables you to
limit automatic measurements to within the boundaries of the vertical bar cursors rather than use the
entire display width.
What do you want to do next?
Le
arn more about the Cursor controls.
(see page 80)
Go to a step-by-step procedure for taking cursor measurements. (see page 601)
Learn m ore about measurement gating. (see page 289)
DSA/DPO70000D, MSO/DPO/DSA70000C, DPO7000C, and MSO/DPO5000 Series 79
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