ECN Forum Forums Technical Discussion Electrical Theory and Applications Floating Ground - device being tested or scope?

The Tektronic probe is the ones we were using on our newer scopes in 1996. They are good probes. Not sure about the other one. That Ebay picture of the scope I linked is the best I found on the web.
I looked for your manual and all I found was numerous places where you can get a PDF of the Dutch version