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5.1 Trigger and Trigger Adjustment
What is Trigger?
The oscilloscope can capture a waveform only when it meets a preset condition first. This action of capturing the
waveform according to the condition is
Trigger
. The so-called capture waveform is that the oscilloscope grabs a
signal and displays it.
If it is not triggered, there is no waveform display
.
What can Trigger be used for?
(1) The oscilloscope can stably display a periodic signal.
Figure 5-1 Stably Displayed Periodic Signal
Figure 5-2 Non-Stably Displayed Periodic Signal