User manual

Triggers
R&S
®
RTO
56User Manual 1316.0827.02 ─ 06
Alternatively, tap the "Trigger" menu and then "Trigger Position".
2. Set the "Reference point" and the "Trigger offset".
If you want to set the trigger position outside the waveform display, disable "Restrict
offset to acquisition range".
3.2.3 Using Holdoff
Holdoff conditions define a waiting time after the current trigger until the next trigger can
be recognized. Holdoff is an optional setting to the A-event. You find the holdoff settings
in the "Sequence" tab with "A only" trigger sequence selected.
For details on holdoff settings, see "Holdoff mode" on page 81.
1. Press the TRIGGER key and select the "Sequence" tab.
Alternatively, tap the "Trigger" menu and then "Trigger Sequence".
2. Select the "Trigger sequence": "A only".
3. Select the "Holdoff mode".
4. Enter the "Holdoff settings" belonging to the selected mode.
3.2.4 Setting Up a Trigger Sequence
The complete configuration of a complex "A → B → R" trigger sequence consists of:
●
A-event setup
●
B-event setup in the same way as for the A-event
●
Optional delay time to connect the A- and B-event
●
Optional reset by timeout and/or R-trigger
For details on sequence settings, see chapter 3.3.4, "Sequence", on page 80.
1. Press the TRIGGER key and select the "Sequence" tab.
Alternatively, tap the "Trigger" menu and then "Trigger Sequence".
2.
Select the type of the "Trigger sequence": "A → B → R".
3. Tap the "A Event Setup" button and set up the first event.
See: chapter 3.2.1, "Configuring the Trigger Event", on page 55.
4. In the "Events" tab, select the "B Trigger" tab and set up the edge trigger. Other trigger
types are not available for the B-event.
5. Select the "Sequence" tab.
6. Optionally, set the "Delay" the instrument waits after an A event until it recognizes B
events.
7. Set the "B event count". The last B event causes the trigger.
Setting Up the Trigger