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Message: <blockquote data-quote="clarkebelt" data-source="post: 1090119" data-attributes="member: 148422">After the experience with the stupid Prof 7301 tuners that would not allow you to have more than one installed in a system at the same time, we purchased a TBS6985 quad input DVB-S2 tuner card and after installing it today (and completely removing the Prof cards and drivers) initially had no luck with it at all.  After two or three hours of trying various things I finally decided to try connecting LNB's directly to the tuner, bypassing the DiSEqC switch.  Suddenly I was able to receive signals, although I had some other issues I will mention in a moment.  But I had planned to use a DiSEqC switch on each tuner and for the moment it appears that plan is shot.  We even tried a totally different brand of DiSEqC switch and it would not work either.  These DiSEqC switches (4 port DiSEqC 2.0) worked great with the Prof 7301's.  So we are wondering if you have ever encountered this issue before and if you know of a fix for it.  We're currently running MediaPortal 1.7.1.0 (that is what the TV Server reports), would updating to 1.8.0 possibly have any impact on that issue?In the meantime to get some functionality we simply connected one LNB output to each of the four tuner inputs.  Specifically, we have:A dual C-Band LNB (each output of which is totally independent of the other) connected to tuner inputs A & B, and the channels associated with that tuner mapped to both inputs.A different C-Band LNB connected to tuner input C, and the channels associated with that tuner mapped to that input only.And yet another C-Band LNB, plus a Ku-band LNB, connected through a 22 kHz tone switch to tuner input D, and the channels associated with either of those LNB's mapped to that tuner.The C-band LNB's all work great, however for some reason the one Ku-band LNB isn't working at all.  Again this is something that worked fine with the single Prof tuner using the method mm1352000 explained to us to trigger the tone switch.  I'm not sure if we somehow missed a step or what, but in all other cases simply remapping the previously scanned channels to the correct tuners seemed to work.Also, there is an issue with playing Live TV, where attempting to start a new stream from one computer usually (but not always) causes any other Live TV streams playing on other computers to freeze up.  This apparently does NOT happen with recordings, as far as I can tell, because a short time ago I recorded three programs from three different satellites simultaneously and they all appear to have recorded just fine.  This is probably not going to be a major issue for us because we hardly ever watch Live TV off the satellites, but still it would be nice if it didn't happen.The #1 issue for us right now is getting the DiSEqC switches working so if you have any thoughts as to how to fix that, they would be very much appreciated!  I just don't understand why we are having a problem with them because I could connect a DiSEqC switch to the Prof 7301, and that card controlled the DiSEqC switch with no issues at all.</blockquote>

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