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Sky Digital BSkyB, Freesat & Saorsat support forum
Freesat digital TV support forum
Confusing signal issues
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<blockquote data-quote="ozumo" data-source="post: 1145304" data-attributes="member: 415308"><p>The LNB on the dish will need to be changed to a universal LNB - if it is a Sky dish then a mk4 Sky Quad Universal should be a straight swap. A photo of the dish will help confirm this.</p><p></p><p>The problem is the Sky Q 'wideband' LNB - it sends all the horizontal signals down one cable and the vertical frequencies on another. This enables Sky Q and Freesat 4K to record multiple channels simultaneously using 2 cables.</p><p></p><p>A universal LNB sends one of 4 groups of frequencies down each cable - horizontal high, horizontal low, vertical high & vertical low. The receiver choses which group of signals to receive by sending 13v/18v to choose polarity (V or H) and 22KHz on or off to to choose high or low band.</p><p></p><p>The TV and Grundig receiver require a Universal LNB to work, the Freesat 4K box is compatible with both types.</p></blockquote><p></p>
[QUOTE="ozumo, post: 1145304, member: 415308"] The LNB on the dish will need to be changed to a universal LNB - if it is a Sky dish then a mk4 Sky Quad Universal should be a straight swap. A photo of the dish will help confirm this. The problem is the Sky Q 'wideband' LNB - it sends all the horizontal signals down one cable and the vertical frequencies on another. This enables Sky Q and Freesat 4K to record multiple channels simultaneously using 2 cables. A universal LNB sends one of 4 groups of frequencies down each cable - horizontal high, horizontal low, vertical high & vertical low. The receiver choses which group of signals to receive by sending 13v/18v to choose polarity (V or H) and 22KHz on or off to to choose high or low band. The TV and Grundig receiver require a Universal LNB to work, the Freesat 4K box is compatible with both types. [/QUOTE]
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Sky Digital BSkyB, Freesat & Saorsat support forum
Freesat digital TV support forum
Confusing signal issues
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