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Chapter 17 Troubleshooting
327
⚫ 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.
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