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Check whether the trigger type is correctly selected;
Check whether trigger conditions are set correctly
Check whether signal source is working properly;
Check whether the channel is turned on;
Check whether the vertical scale factor is set correctly;
Check whether the instrument is in single-sequence waiting state for trigger
Tap to resample signal.
3. If the measured voltage amplitude is 10 times greater or smaller than the actual value:
Check whether the set attenuation factor of the channel is consistent with the attenuation factor of the
actually used probe.
4. There is a waveform display, but cannot be stable:
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