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Check the trigger source on the trigger type menu to ensure that it is consistent with the actually used signal
channel;
Check the trigger type: edge trigger is adopted for general signal, and video trigger mode for video signal.
Only the correct trigger mode is used, the waveform can be displayed stably;
Check signal source noise. Set the trigger coupling mode to be high-frequency rejection or low-frequency
rejection to filter out high frequency or low frequency noise interference
5. A waveform is displayed but inconsistent with the input waveform:
Check whether the coupling mode setting in the channel menu is correct.
6. If there is no display after pressing button:
Check whether the trigger mode is “Normal”, and whether the trigger level is beyond the scope of the
waveform. Center the trigger level and set the trigger mode as “Auto”.
Check whether the picture is displayed in full screen, and if so, exit the display.
7. If the display becomes slower after setting average times of sampling:
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