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I have found an old manual with some pictures (in german). I will gladly guide you through it:
1. please open this link
2. now enter your complete address and press check and write down the results on a piece of paper. Here is an example:
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3. Press the Menu button on the remote control and select Settings. Then select Auto Settings
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4.Now select cable
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5. Press the Settings button here
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6. Please enter the information from the SetupID page in step 2. Then click on Close.
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7. Press Start to start a channel scan.
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8.That’s it!
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I hope this tutorial solves your request.
Greetings
Daniele