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New toy(?) scope, DSO154pro, 1ch, claimed 40MS/s

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ataradov:
Even real scopes have trouble measuring the frequency if there is not a full period or a few periods  are displayed.

What is wrong with the probes and what that has to do with the scope reset?

Matamipru:
It's a long story, it's a lot of emails with the factory. The tip screw does not work.

https://youtu.be/eEznWkH_MVg

My scope is 34mhz ? Thanks

Matamipru:
I'm sorry, I sent the wrong video

https://youtu.be/D-gZIZkC1Fs

Matamipru:
I want to reset because over time the memory accumulates unnecessary data. The manual reset method does not work, nor the method that the factory indicated in the email

ataradov:
I don't understand what the issue is. As they replied, probe compensation is only implemented in 10X mode. So, the adjustment capacitor will not do anything. This is not a defect, this is how probes work.

Just use 10X mode and forget that 1X exists, it is not useful in most day to day tasks.

No, it is not 34 MHz, it is an error in measurement based on the incomplete data. You need to adjust the time scale so that a few periods are visible. There is no way to measure a "frequency" of a simple edge transition.

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