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Hantek DSO5102P self calibration failure

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Post time 2017-5-2 13:30:35 | Show all posts
Sir, please replace the two components in the following picture.
1:UD2-4.5NU-L7(relay)
2:74HC595PW(IC)

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Post time 2017-8-25 14:14:33 | Show all posts
Sir, please power on the oscilloscope and wait for 20 minutes until it has adequately warmed up. And do self calibration again.
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