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Message: <blockquote data-quote="CyberSimian" data-source="post: 1275463" data-attributes="member: 141969">There were two "temporary" MUXes in the 700MHz band for Crystal Palace (746MHz and 754MHz), and the recent retune event removed one of them. The remaining MUX (746MHz) is a DVB-T2 MUX. Unfortunately, ScanChannelsBDA_UK does not understand DVB-T2, and so it cannot list the channels present in that MUX. But at least it indicates that there is a signal at that frequency, and displays the signal strength and quality. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite24" alt="(y)" title="Thumbs Up    (y)" loading="lazy" data-shortname="(y)" />Note that although the 746MHz MUX is DVB-T2, it is likely to contain mostly standard-definition channels, and perhaps only one or two high definition channels. This is because most broadcasters of the lesser channels cannot afford the higher transmission costs of HD. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite3" alt=":(" title="Frown    :(" loading="lazy" data-shortname=":(" />Yes, this is a known problem. I have been caught out by this several times <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite4" alt=":mad:" title="Mad    :mad:" loading="lazy" data-shortname=":mad:" />. I suspect that it is as you suggest -- "TV Server Config" remembers the position in the list, whereas it would be more sensible to remember the name of the tuning-parameters file. Maybe someday this will be changed.Whenever I retune "TV Server", I always sort the channels by number and then look for duplicates. With the "Enable channel movement" setting selected, TV Server can in some cases match up the old channel with the new and avoid creating a duplicate, but TV Server cannot do this in every case. When I find duplicates, one channel will work, but the other (usually) will not. However, I still get the pop-up saying that TV Server could not tune the non-working channel (there are several different pop-ups that can appear, depending on the circumstances; for an explanation, look at the "Start/Stop Timeshift" section towards the end of <a href="https://www.team-mediaportal.com/wiki/display/MediaPortal1/Manual+Control" target="_blank">this page</a> in the Wiki).One possibility occurs to me. For timeshifting and recording, there is a setting that allows you to specify how many tuners you want TV Server to try if the first attempt at tuning a channel fails. When I first started using MP I set this to "try all tuners". The disadvantage with that is that the system appears locked up when you select a non-working channel from the EPG. The system is not actually locked up -- TV Server is trying all of the tuners allowed, with a lengthy timeout for each.These days I have changed my settings so that TV Server tries only one tuner. If TV Server cannot tune the channel using that tuner, it is unlikely to be successful using any of the other tuners. The following screen shot shows the setting not to use for "Recordings" (there is a similar setting for "Timeshifting":[ATTACH]206270[/ATTACH]Check what values you have for these settings. If you are using "0", try changing them to "1". -- from CyberSimian in the UK</blockquote>

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