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RIGOL Chapter 5 To Trigger the Oscilloscope
5-2 MSO5000 User Guide
Trigger Source
In the trigger control area (Trigger) on the front panel, press Menu → Source to
select the desired source, or rotate the multi-function knob to select a desired
source, then press down the knob to select it. You can also press Source
continuously to select the trigger source or enable the touch screen to tap the
desired trigger source and select it.
Analog channels (CH1-CH4), digital channels (D0-D15), or AC Line can all be
selected as the trigger source.
Analog channel input:
Signals input from analog channels CH1-CH4 can all be used as trigger sources. No
matter whether the channel selected is enabled, the channel can work normally.
Digital channel input:
Signals input from digital channels D0-D15 can all be used as trigger sources. No
matter whether the channel selected is enabled, the channel can work normally.
AC line input:
The trigger signal is obtained from the AC power input of the oscilloscope. AC trigger
is usually used to measure signals relevant to the AC power frequency. For example,
stably triggering the waveform output from the transformer of a transformer
substation. It is mainly used in related measurements of the power industry.
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