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What to do if tuning details have changed?
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<blockquote data-quote="mm1352000" data-source="post: 1074461" data-attributes="member: 82144"><p>Okay... but I still don't understand what you mean "changed". This is important because I can't really give you good advice unless I can understand this.</p><p>So, were these channels added (ie. completely new)?</p><p>Were they moved from another transponder?</p><p>Did the frequency of transponder 33 change?</p><p></p><p></p><p>Yes. To be clear that is an NIT (network information table) scan.</p><p></p><p></p><p>Sorry but I don't understand this either.</p><p>What do you mean by "could not find the exact frequency"?</p><p>Also what do you mean by "channels that disappeared"?</p><p></p><p></p><p>Yes, of course.</p><p>When you do an NIT scan, TV Server first scans for transponders and then scans for channels on each of those transponders. You should be able to see the transponder details in the output after the scan.</p><p>If not you can also check the TsWriter log file after an NIT scan.</p><ol> <li data-xf-list-type="ol">Open TV Server configuration.</li> <li data-xf-list-type="ol">Click "open log directory" in the top left corner.</li> <li data-xf-list-type="ol">Open the TsWriter.log.</li> <li data-xf-list-type="ol">Look for entries like "cable NIT: frequency:XXXX modulation:X symbolrate:XXXX" (there are similar entries for satellite and DVB-T/T2).</li> </ol><p>I only have access to DVB-T and my provider sets the frequencies to zero so I can't give a good example, but it should be quite obvious.</p><p></p><p>...but in any case I still don't understand why this is necessary. You said:</p><p></p><p>Well, as mentioned above the TV Server NIT scan first finds the details for all transponders, and then it scans each of those transponders for channels. Finding all the channels available should not require you to care about the exact frequency details (exception: you need to know one frequency in order to do the NIT scan).</p><p></p><p></p><p>How to answer this.</p><p>To start with I should say again that I don't understand why you want to know about the frequencies, but putting that aside...</p><p>If the provider doesn't broadcast the correct details then their STBs won't find the channels. So of course the NIT scan should give you the correct transponder details including frequencies. TV source is not magic; my guess is that it does an NIT scan just like TV Server. NIT is the only standard broadcast source for the provider transponder details.</p><p></p><p>Maybe I've misunderstood? If so, can you please confirm what you mean by "exact" and explain why you think the NIT wouldn't contain the correct details.</p><p></p><p></p><p>Well, TV Server has a built in NIT scan function now, so I can only guess that you mean you want to create a tuning detail file. Am I right?</p><p>If so I would say to you that creating a tuning detail file for your provider is not necessary. If you can do an NIT scan then you can get correct tuning details every time without needing a tuning detail file.</p><p>However if you really want to create the file then you can use the details from the scan output or TsWriter log information as explained above.</p><p></p><p>Does this answer your question?</p><p></p><p>PS: For people that use providers which don't broadcast NIT (strange providers!) you can always do an "exhaustive" scan by selecting country "global" and the correct symbol rate for your provider. Then if you want to create a tuning detail file just copy the working transponder details from the global file to a new file (ie. exclude the transponders where channels were not found).</p></blockquote><p></p>
[QUOTE="mm1352000, post: 1074461, member: 82144"] Okay... but I still don't understand what you mean "changed". This is important because I can't really give you good advice unless I can understand this. So, were these channels added (ie. completely new)? Were they moved from another transponder? Did the frequency of transponder 33 change? Yes. To be clear that is an NIT (network information table) scan. Sorry but I don't understand this either. What do you mean by "could not find the exact frequency"? Also what do you mean by "channels that disappeared"? Yes, of course. When you do an NIT scan, TV Server first scans for transponders and then scans for channels on each of those transponders. You should be able to see the transponder details in the output after the scan. If not you can also check the TsWriter log file after an NIT scan. [LIST=1] [*]Open TV Server configuration. [*]Click "open log directory" in the top left corner. [*]Open the TsWriter.log. [*]Look for entries like "cable NIT: frequency:XXXX modulation:X symbolrate:XXXX" (there are similar entries for satellite and DVB-T/T2). [/LIST] I only have access to DVB-T and my provider sets the frequencies to zero so I can't give a good example, but it should be quite obvious. ...but in any case I still don't understand why this is necessary. You said: Well, as mentioned above the TV Server NIT scan first finds the details for all transponders, and then it scans each of those transponders for channels. Finding all the channels available should not require you to care about the exact frequency details (exception: you need to know one frequency in order to do the NIT scan). How to answer this. To start with I should say again that I don't understand why you want to know about the frequencies, but putting that aside... If the provider doesn't broadcast the correct details then their STBs won't find the channels. So of course the NIT scan should give you the correct transponder details including frequencies. TV source is not magic; my guess is that it does an NIT scan just like TV Server. NIT is the only standard broadcast source for the provider transponder details. Maybe I've misunderstood? If so, can you please confirm what you mean by "exact" and explain why you think the NIT wouldn't contain the correct details. Well, TV Server has a built in NIT scan function now, so I can only guess that you mean you want to create a tuning detail file. Am I right? If so I would say to you that creating a tuning detail file for your provider is not necessary. If you can do an NIT scan then you can get correct tuning details every time without needing a tuning detail file. However if you really want to create the file then you can use the details from the scan output or TsWriter log information as explained above. Does this answer your question? PS: For people that use providers which don't broadcast NIT (strange providers!) you can always do an "exhaustive" scan by selecting country "global" and the correct symbol rate for your provider. Then if you want to create a tuning detail file just copy the working transponder details from the global file to a new file (ie. exclude the transponders where channels were not found). [/QUOTE]
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