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422
13. Oscilloscope backlight has low brightness:
Check whether the backlight settings are correct.
14. A waveform being moved changes abruptly:
Check whether the picture is displayed in full screen.
15. Turn off the channel at Auto state:
This phenomenon is normal. At Auto state, the channel with an amplitude less than 10mV will be turned off.
16. Function buttons are pressed without response:
Check whether the picture is displayed in full screen.
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