Term interpretation
Holdoff:
Set time slot before another trigger event.
Trigger modes:
There are three kinds of trigger modes available for this oscilloscope, they are, Auto (acquires signal continuously), Normal
(acquires signal when trigger conditions are met) and Single (manually triggers the signal).
Automatic trigger mode:
The oscilloscope can acquire the waveform without any triggering condition detected in this mode, in which it will be
triggered compulsively when waiting for a specified period of time without any triggering condition ignited. When an invalid
trigger is enforced，the oscilloscope cannot keep the waveform in phase.
Normal trigger mode:
In this mode, the oscilloscope cannot acquire the waveform until it is triggered. When there is not any trigger, the
oscilloscope will display the original waveform without new waveforms captured.
Single mode:
In this mode, the oscilloscope will detect a trigger and capture a waveform at each time when the customer presses the
RUN/STOP key.
7.4. Setting the Acquiring Mode
The Acquiring Mode menu is described in the list shown as below.
The waveform data is sampled at an equal time interval. The
sample mode accurately reconstructs the waveform, but cannot
respond to rapid changes and sudden peaks.
The maximum and minimum data in the sampling interval are
picked up. The peak detect mode captures rapid changes and
sudden peaks, but the waveform becomes noisy.
Multiple samples are averaged together. The average mode
reduces the noise level, but the waveform must be repetitive.
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