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I don't know how this stuff works. I checked a video on YouTube and according to me, the thing needs a service or repair. What you see on the photo is the best I could get out of the calibration as per my limited YouTube knowledge.
Assume it is not working and thus take as is.
I think it's a Caltek BS5010H as seen in this link
https://pdf.directindustry.com/pdf/bst-caltek-industrial-ltd/oscilloscope-bs5010h/50655-501977.html