Tektronix TDS5054, User Manual

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Triggering
TDS5000 Series User Manual
3- 77
Use this procedure to detect and trigger on pulses longer than a specified time.
The oscilloscope will trigger at the end of the timeout period.
Overview To trigger on pulse timeout Control elements and resources
Select timeout
triggering
1. Push the front-panel ADVANCED button.
2. On the Trigger Setup control window, select the A Event
tab.
3. Click Timeout.
Select the
source
4. To specify which channel becomes the trigger source,
click Source and select the source from the list.
Set the level 5. To set the trigger timeout level, click Level and use the
multipurpose knobs or pop-up keypad to enter the
voltage level.
You can set the level to a value appropriate to either the
TTL or ECL logic families by clicking TTL or ECL on the
Level pop-up keypad.
Set the timer 6. To set the timeout timer, click Timer and use the
multipurpose knob or pop-up keyboard to set the time.
Triggering on
Pulse Timeout