Set up and hold violation trigger
Trigger on window threshold violations
Use the following procedure to trigger the instrument when the input signal rises above an upper threshold level or falls below a
lower threshold level.
1. Push the front-panel Advanced button.
2. In the Trigger control window, Open the A Event tab.
3. Select Window from the Trigger Type drop-down list.
4. To specify which channel becomes the trigger source, click Source; then select a channel from the drop-down list.
5. The upper and lower threshold levels define the voltage limits of the window. To set the threshold levels, click in the Upper
Level or Lower Level entry boxes, and then use the multipurpose knobs or pop-up keypad to enter the values
6. To qualify the window trigger, select from the Window Event drop-down list combinations. The Window Event controls
change as you select different combinations of options:
â–
Enter Window and Occurs or Exits Window and Occurs. Triggers the instrument when the signal enters (or leaves) the
window defined by the threshold levels.
â–
Inside > t and Occurs or Outside > t and Occurs. Triggers the instrument when the signal enters (or leaves) the window
defined by the threshold levels for the time specified by Width.
â–
Inside > t and Logic or Outside > t and Logic. When the instrument detects a signal entering or leaving the window
defined by the threshold levels, it checks the logic state of up to two other available channels and triggers only if their
conditions are met. Each channel can have a value of high (H), low (L), or "don't care" (X).
How to ?
634 DPO70000SX, MSO/DPO70000DX, MSO/DPO70000C, DPO7000C, and MSO/DPO5000B Series
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