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To trigger on B events
1. To set the time base to trigger after an A trigger and a
specified number of B trigger events, click Trig on the
toolbar, and select the A->B Seq tab of the Trigger Setup
control window.
2. Click Trig on nth event.
3. To set the number of B trigger events, click Trig Event, and
use the multipurpose knob, pop-up keyboard, or up and
down arrows to set the number of events.
4. To set the B trigger level, click B Trig Level, and use the
multipurpose knob or pop-up keypad to set the level.
To set up B triggering
1. To set the B Event trigger, click Trig on the toolbar, and
select the B Event tab of the Trigger Setup control window.
Or, from the menu bar, select the B Event (Delayed) Trigger
Setup command.
2. To specify which channel becomes the B trigger source,
click Source and select the source from the list.
3. Click Coupling and select the trigger coupling to match
your trigger signal.
4. To specify the direction of the edge, click a Slope button.
The left button selects a positive slope and the right button
selects a negative slope.
5. To set the B trigger level, click B Trig Level, and use the
multipurpose knob or pop-up keypad to set the level. Note
that you can click Set 50% to set the B trigger level to the
midpoint between the positive and negative peak of the B
trigger signal.
Triggering on a Communication Signal
Use this procedure to set up the instrument to trigger on a communication signal.
Prerequisite
1. The Instrument must have Option SM installed.
Select comm triggering
2. Push the front-panel ADVANCED button.
3. On the Trigger Setup control window, select the A Event
tab.
4. Click Comm.
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