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<blockquote data-quote="BugsBunny" data-source="post: 90804" data-attributes="member: 19983"><p>Well I have not got a TT DVB-C but a KNC1 DVB-C card and have/had problems with the QAM256 channels as well.</p><p>First I thought maybe the QAM256 channels do not get distributed in our area or these are some encrypted channels the card cannot tune to.</p><p>Coincidently someone posted in another forum that he received channels of my cable provider, that I did not (QAM256 channels) so I got curious.</p><p>He used a Terratec cinergy and he received all QAM64 and QAM256 channels whereas I only received the QAM64 ones. Note the Terratec card is more or less the same card as the KNC1.</p><p>A friend of mine has an external receiver, that he could borrow me for one day, so I could check whether or not I could receive the QAM256 channels in my area.</p><p>Connected the technisat receiver and I could receive all channels. With the KNC1 card I only got the QAM64 ones. I got even more curious.</p><p>In our house we've got cable TV sockets in 4 rooms. Picked up my HTPC and connected it in another room and surprise the tuner found the channels in the frequency scan!</p><p>My mother has a PC with a KNC1 DVB-C card as well using the native software and WDM drivers and she could not receive the cannels either.</p><p>Then I got an idea what could be the cause - in our house there are some old and cheapo coax cables and instead of a 4 way coax splitter there is a 2way + 3 way splitter.</p><p>Well this weekend I bought a very good coax cable and exchanged most of the old ones and I bought better cables to connect the PC of my mum’s PC to the cable TV socket.</p><p>And surprise on my mum's PC I now can receive all channels QAM64+QAM256.</p><p>It seems the external technisat receiver has got a higher reception sensibility than the KNC1 DVB-C card.</p><p>Need some more tweaking for my cable connector and the cable network of our house, then I hope the QAM256 will work for my HTPC as well.</p><p></p><p>So maybe for the TT users the QAM256 problem can be solved with better cables as well. Better cables have lower signal muting maybe some old cable TV/radio sockets/connectors should be exchanged by newer ones as well.</p><p>So then the signal reaches the card with higher quality and the tuner can receive the QAM256 channels.</p></blockquote><p></p>
[QUOTE="BugsBunny, post: 90804, member: 19983"] Well I have not got a TT DVB-C but a KNC1 DVB-C card and have/had problems with the QAM256 channels as well. First I thought maybe the QAM256 channels do not get distributed in our area or these are some encrypted channels the card cannot tune to. Coincidently someone posted in another forum that he received channels of my cable provider, that I did not (QAM256 channels) so I got curious. He used a Terratec cinergy and he received all QAM64 and QAM256 channels whereas I only received the QAM64 ones. Note the Terratec card is more or less the same card as the KNC1. A friend of mine has an external receiver, that he could borrow me for one day, so I could check whether or not I could receive the QAM256 channels in my area. Connected the technisat receiver and I could receive all channels. With the KNC1 card I only got the QAM64 ones. I got even more curious. In our house we've got cable TV sockets in 4 rooms. Picked up my HTPC and connected it in another room and surprise the tuner found the channels in the frequency scan! My mother has a PC with a KNC1 DVB-C card as well using the native software and WDM drivers and she could not receive the cannels either. Then I got an idea what could be the cause - in our house there are some old and cheapo coax cables and instead of a 4 way coax splitter there is a 2way + 3 way splitter. Well this weekend I bought a very good coax cable and exchanged most of the old ones and I bought better cables to connect the PC of my mum’s PC to the cable TV socket. And surprise on my mum's PC I now can receive all channels QAM64+QAM256. It seems the external technisat receiver has got a higher reception sensibility than the KNC1 DVB-C card. Need some more tweaking for my cable connector and the cable network of our house, then I hope the QAM256 will work for my HTPC as well. So maybe for the TT users the QAM256 problem can be solved with better cables as well. Better cables have lower signal muting maybe some old cable TV/radio sockets/connectors should be exchanged by newer ones as well. So then the signal reaches the card with higher quality and the tuner can receive the QAM256 channels. [/QUOTE]
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