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I have worked in AV industry for many years but this issue in my own home has perplexed me.
I have three Humax Freesat receivers, 1100S, 1000s, Foxsat HDR.
I have 5×8 multiswitch working on all outputs; 3 are used with single cable input receivers, 3 outputs are currently spare & unconnected, and a twin cable feeds the main TV.
Both of the cables on this latter twin cable shows good strength (75%) & quality (100%) when connected to the old Foxsat HDR. However, if the twin coax is connected to either of the newer machines the second cable is unreliable or non-existent. The 1100S will not show any signal on a second input at all regardless of which way around. Whilst the 1000s is intermittent; the second input shows for a minute or so (both strength and quality in 80%-90% area for both inputs), and then disappears for a random time before returning. Can you shed some light on this please. Thank you.
Is the twin cabling by any chance WF65 shotgun ? If so it’s possible that the thinner core is making intermittent contact. Try putting a small double kink in the core to make it a tighter fit.
How large is the dish feeding the multiswitch ? I ask because 75% on a Foxsat on a UK spot beam transponder seems a bit low, all mine are 100% strength and quality. Appreciate that a multiswitch increases the losses which are normally compensated by using a larger dish.
The Foxsat-HDR is known to have sensitive tuners, the newer boxes may be less sensitive.
Can you try the problem boxes on a friends dish ?
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