Trigger on sequential events (A and B triggers)
Use the A and B T
rigger Events to trigger on a second event after a first event occurs.
Set up sequential triggering
Procedure
1. Double-tap the Trigger badge to open the Trigger configuration menu.
2. Tap Trigger Type and select Sequence. Sequence triggering uses Edge triggering for both the A and B trigger types.
3. Set up the A Trigger Event:
a) Tap A Source and select the A event trigger source.
b) If displayed, tap Coupling and select the trigger coupling.
c) Tap A Level and set the desired trigger level using the multipurpose knob. Or double-tap the field to set the value using the virtual
keypad.
d) Tap a A Slope button to select the slope of the signal on which to trigger (Rise or Fall).
4. Set up the B Trigger Event:
a) Tap B Source and select a trigger source.
b) Tap B Level and set the desired trigger level using the multipurpose knob. Or double-tap the field to set the value using the virtual
keypad.
c) Tap a B Slope button to select the slope of the signal on which to trigger (Rise or Fall).
5. To trigger on a specific occurrence of the B trigger event:
a) Tap After the A Trigger Event is found: Trigger on the Nth Trigger Event button in the main Trigger menu.
b) Tap Where N is: and use the multipurpose knob to set the oscilloscope to trigger on the Nth occurrence of a B trigger event.
6. To trigger on the B event after a specific time delay:
a) Tap After the A Trigger Event is found: Trigger on the 1st B Event button.
b) Tap After a Delay of: and use the multipurpose knob to set the desired delay time to wait before detecting and triggering on a B
trigger event. You can also double-tap the field and use the virtual keypad to enter a delay time.
Set up trigger on a parallel bus
Use this procedure to set up triggering on a parallel bus.
Before you begin
Use this procedure if you have already created a parallel bus.
Procedure
1. Double-tap the Trigger badge.
2. Tap the Trigger Type field and select Bus from the list.
3. Tap the Source field and select the parallel bus on which to trigger.
4. Tap either the Binary or Hex Data boxes to enter the parallel bus data value, in either Binary or Hexadecimal format, on which to
trigger. The number of bits shown depends on the number of sources (channels) in the parallel bus.
a) Use multipurpose knob A to select the digit or digits to change.
b) Use multipurpose knob B to change the value of the selected digits.
Advanced triggering
3 Series Mixed Domain Oscilloscope Printable Help 89
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