I don't think thats it. Then the scan when I connected it directly to the LNB should have worked. I also just tried a scan on the other satellite and that failed as well. Also when starting the image I let hdmu find the satellites that were connected. this is the setting it defined:

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you are right that something is not correct though. the test gives me:

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what you suggest?

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I tried to scan the other transponders with Horizontal polarity but they are all failing. The first Vertical one I tried worked. Any idea what might cause that?