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Two connections needed to record? |
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#1 |
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Forum Member
Join Date: Dec 2008
Posts: 70
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Two connections needed to record?
Hi All,
Bit confused... Looking at Freesat+ but only have one connection from a dish and thus cannot record (IIRC) which is a bit of a bummer! But, what I don't understand it how comes my freeview box on a standard aerial can record while I need two connections on freesat? I don't quite understand! Thanks, Aaron |
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#2 |
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Join Date: Apr 2006
Location: North Derbyshire
Posts: 41,782
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As explained in all the previous times this has been asked, satellite has four different signals coming down each cable - TV has only one. So each tuner in a satellite box needs it's own feed to select whichever of the four it wants.
But a Freesat+ will record on a single feed, it's just that the box is somewhat crippled by doing so. |
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#3 |
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Forum Member
Join Date: Aug 2008
Location: Singapore
Posts: 709
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Quote:
Hi All,
Bit confused... Looking at Freesat+ but only have one connection from a dish and thus cannot record (IIRC) which is a bit of a bummer! One of the regular posters here has made a very useful "clash" detector. It indicates what you can record and watch at the same time with the Humax HDR. In your case select "single feed"http://www.digitalspy.co.uk/forums/s...&postcount=128 The whole thread is most useful
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#4 |
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Inactive Member
Join Date: Dec 2008
Posts: 2,324
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Quote:
As explained in all the previous times this has been asked, satellite has four different signals coming down each cable - TV has only one. So each tuner in a satellite box needs it's own feed to select whichever of the four it wants.
![]() The signals from a satellite are transmitted in two bands and with two polarisations. The satellite receiver has to switch the LNB to one frequency band and one polarisation so that only one of the four combinations is using the cable at a time. Thus to be sure of being able to watch one channel and record another (or record two simultaneously) you need to use two LNB's with two separate cables. This way, the receiver can switch one LNB to the appropriate combination of band and polarisation for one programme and the other LNB for the other. |
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#5 |
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Join Date: Apr 2006
Location: North Derbyshire
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Which was what I said, but kept it simple.
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#6 |
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Inactive Member
Join Date: Dec 2008
Posts: 2,324
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Quote:
Which was what I said, but kept it simple.
I've underlined the part of what you said that is plain wrong. Quote:
As explained in all the previous times this has been asked, satellite has four different signals coming down each cable - TV has only one. So each tuner in a satellite box needs it's own feed to select whichever of the four it wants.
But a Freesat+ will record on a single feed, it's just that the box is somewhat crippled by doing so.
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#7 |
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Forum Member
Join Date: Jan 2003
Location: London
Posts: 4,517
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For a simple explanation of the difference between Freeview and Freesat, try this:
http://www.nigelwhitfield.com/v2/article.php?id=50 |
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#8 |
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Join Date: Apr 2006
Location: North Derbyshire
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No you didn't, Nigel.
I've underlined the part of what you said that is plain wrong. Quote:
As explained in all the previous times this has been asked, satellite has four different signals coming down each cable - TV has only one. So each tuner in a satellite box needs it's own feed to select whichever of the four it wants.
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#9 |
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Inactive Member
Join Date: Dec 2008
Posts: 2,324
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Quote:
Cherry picking only part of a post often changes it's meaning, you should have underlined another part that you also quoted.
You could start an argument in an empty room. You said: satellite has four different signals coming down each cable That is simply and unequivocally wrong. Cherry picking has nothing to do with it. Or do you actually believe what I quoted is factually correct? |
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#10 |
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Join Date: May 2005
Location: Redditch Worcs
Posts: 17,289
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#11 |
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Join Date: Apr 2006
Location: North Derbyshire
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Quote:
Good grief!
You could start an argument in an empty room. Quote:
You said: satellite has four different signals coming down each cable That is simply and unequivocally wrong. Cherry picking has nothing to do with it. Quote:
Or do you actually believe what I quoted is factually correct? |
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#12 |
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Inactive Member
Join Date: Dec 2008
Posts: 2,324
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Quote:
your selective quote makes it wrong, my entire post makes it right .
This what you said in it's entirety: Quote:
As explained in all the previous times this has been asked, satellite has four different signals coming down each cable - TV has only one. So each tuner in a satellite box needs it's own feed to select whichever of the four it wants.
Satellite no more has four signals coming down each cable that does DTT. I did think you'd probably just expressed yourself very badly but now it appear that you really don't understand. A Satellite cable does NOT have four signals coming down. It has ONE just as DTT or analogue So what you said is fundamentally wrong. Not simplified: wrong. |
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#13 |
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Join Date: Apr 2006
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No, it doesn't, Nigel.
This what you said in it's entirety: (I'm sticking here with your original use of the term 'signal' although I find that a pretty dubious usage.) Quote:
Satellite no more has four signals coming down each cable that does DTT. I did think you'd probably just expressed yourself very badly but now it appear that you really don't understand. A Satellite cable does NOT have four signals coming down. It has ONE just as DTT or analogue So what you said is fundamentally wrong. As you seem incapable of reading more than little sections you wish to pick at it's pointless discussing further - feel free to 'have the last word;' as it seems to be your desire in life. I'm off to the pub - good evening all. |
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#14 |
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Inactive Member
Join Date: Dec 2008
Posts: 2,324
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Quote:
Deliberately simplified for a newcomer.
You compared the number of signals coming down a DSAT cable with the number coming down a DTT cable. You said one was four times the other whereas, in fact, they are the same. Quote:
Do you have a problem reading the rest of the post?, apparently so - what part of SELECT the one you want couldn't you understand?.
I think you must fail to understand how the LNB - Tuner relationship works.When the tuner want's one band and polarity combination it sends a signal to its attached LNB telling it to select only that combination. The LNB then just sends ONE signal down the cable. Do you understand now why your statement was not a simplified version of fact but a wholly wrong representation of what is happening? Quote:
... feel free to 'have the last word;'...
Nigel, that tactic will only work in the school playground or on idiots.Do you think anyone here is so dim that they can't see that for the childlike ploy it is? |
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#15 |
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Join Date: Mar 2002
Location: Oxford
Posts: 12,689
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Nigel and Tern why the hell don't you both take your absolutely pathetic nit-picking elsewhere instead of both of you making total a**eholes of yourselves.
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#16 |
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Inactive Member
Join Date: Dec 2008
Posts: 2,324
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Quote:
Nigel and Tern why the hell don't you both take your absolutely pathetic nit-picking elsewhere instead of both of you making total a**eholes of yourselves.
Correcting blatantly false information is not nit picking. Neither is trying to get across to someone that what they are calling 'simplification' is nothing of the kind. Your contribution to this thread is both puerile and unhelpful. |
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#17 |
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Join Date: Jan 2009
Location: St Albans
Posts: 282
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@Tern - For god sake WILL YOU EVER LEARN? You are far too technical for us ordinary Joes - Give us a break! Nigel is trying to explain the situation in layman's terms which we can all understand.
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#18 |
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Inactive Member
Join Date: Dec 2008
Posts: 2,324
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Quote:
@Tern - For god sake WILL YOU EVER LEARN? You are far too technical for us ordinary Joes - Give us a break! Nigel is trying to explain the situation in layman's terms which we can all understand.
Can you not understand that when someone asks why they cannot record any channels they wish with just one connection, telling them that DSat has 4 'signals' coming down the cable does absolutely not answer their question? Can you not understand that if four signals came down the cable, the obvious solution would be to use a splitter (either externally or simply built into the box) to feed the tuners? This is not a piece of pointless pedantry. Do you appreciate that if you claim that you understand what Nigel said: "satellite has four different signals coming down each cable", and understand that in the way any normal person would, then you have fundamentally false knowledge about how DSat operates? Thus your slightly hysterical intervention was nonsensical. It's not a question of me learning, it's a question of people such as yourself an Nigel learning one of the fundamental principles of DSat (as it affects those who install and use the system) and realising that it is a fundamental principle and not some arcane and esoteric point of interest only to academics. |
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#19 |
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Join Date: Apr 2005
Location: Surrey, UK
Posts: 1,302
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You know who I am talking about.
Further information to clarify this thread:
http://en.wikipedia.org/wiki/Troll_%28Internet%29 |
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#20 |
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Inactive Member
Join Date: Dec 2008
Posts: 2,324
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Quote:
Further information to clarify this thread:
http://en.wikipedia.org/wiki/Troll_%28Internet%29 I don't think Shadowman was trolling. I just think he was unaware of the significance of telling someone that DSat has four signals coming down each cable when one of the most important fundamentals a newcomer has to get to grips with is that the whole point of needing two cables coming from two seperate LNB's is that all four signals do not come down the cable.
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#21 |
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Forum Member
Join Date: Jul 2005
Location: The Glorious Kingdom of Fife
Posts: 298
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Quote:
Further information to clarify this thread:
http://en.wikipedia.org/wiki/Troll_%28Internet%29 |
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#22 |
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Inactive Member
Join Date: Dec 2008
Posts: 2,324
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This thread has become like one of those jamjars of beer gardeners place near their crops. I just knew panman would arrive eventually. Quote:
Luckily the rest of us do understand to whom you refer. It's just a shame that the troll keeps feeding on it. Something must make him ill and go and lie down in a dark corner (as long it's not the same one as theShadowman haunts).
Tell us who you think the troll is: A poster asks why he need two cables for Freesat and only one for Freeview. The troll is: 1) The respondant who tells him that is because DSat has 'four signals coming down each cable' and continues to claim that this fundamentally incorrect piece of information is a 'simplification' even though it is quite obvious that it in no way answers theOP's question. 2) The respondant who provides the correct answer and points out that telling someone something that is unequivocally wrong is not a simplification. I'll be fascinated at which choice you make.
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#23 |
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Forum Member
Join Date: Feb 2009
Location: The City and County of Bristol
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This reminds me of the “lucky I didn’t mention the fork” sketch from Monty Python.
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#24 |
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Forum Member
Join Date: May 2005
Location: Redditch Worcs
Posts: 17,289
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Quote:
Hi All,
Bit confused... Looking at Freesat+ but only have one connection from a dish and thus cannot record (IIRC) which is a bit of a bummer! But, what I don't understand it how comes my freeview box on a standard aerial can record while I need two connections on freesat? I don't quite understand! Thanks, Aaron More details here http://www.hummy.org.uk/forums/showp...3&postcount=76 |
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#25 |
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Forum Member
Join Date: Dec 2008
Posts: 2,494
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Should also point out even with 1 connection you should be able to record 1 channel and watch another provided they fall within the same transmission group. ie. the same band and polarisation.
However for the original poster can appreciate this is all very confusing. best option is to loop through using the LNB 1 out port to the LNB 2 port and use the box as Graham suggested in the above post or get a cable put up as even in loop through mode the box is still crippled compared to a box with 2 separate feeds. |
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