Trigger Setup
Trigger Setup
This section contains concepts and procedures for setting up the oscilloscope to trigger on your signal.
Triggering Concepts
Trigger Event
The trigger event establishes the time-reference point in the waveform record. All waveform record data is located in time with
respect to that point. The instrument continuously acquires and retains enough sample points to
fi
ll the pretrigger portion of the
waveform record. That is the part of the waveform that is displayed before, or to the left of, the triggering event on screen. When a
trigger event occurs, the instrument starts acquiring samples to build the posttrigger portion of the waveform record, that is, the part
displayed after or to the right of the trigger event. After a trigger is recognized, the instrument will not accept another trigger until
the acquisition is complete and the holdoff time has expired.
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