[mythtv-users] Problems Trying to Tune BBC Four (UK)

John Veness John.Veness.myth at pelago.org.uk
Mon Oct 15 21:16:04 UTC 2007

Ian Barton wrote:
> I have been trying to fix this problem for some time, but not really 
> made much progress. I am running MythTV from SVN, but this problem has 
> happened with all previous versions I have tried.
> Symptoms: I can tune and watch all DVB channels correctly using 
> Kaffeine. I have generated a channels.conf using scan (Debian) and used 
> this to tune MythTV. However, no matter what I do Myth cannot tune to 
> some channels e.g. BBC Four and Five. Myth shows L_S and a high signal 
> (>90%), but won't lock.
> I assume that I need to tweak the channel data manually, but can't find 
> out exactly what and where I need to tweak things. Looking at the 
> database BBC Four uses mplexid 4. I can see data about the mutliplex in 
> the dtv_multiplex table. However, how do I tweak settings for individual 
> channels, rather than the whole multiplex?
> Ian.

I don't know if this is still the case, but when I setup my DVB-T system 
a few months ago, I imported the channels.conf file (as a full scan in 
Myth crashed for me), but I then deleted the channels in Myth and did a 
scan of existing transports. In other words, all I was really using the 
channels.conf file for was for the transport details. I found that gave 
me better results than importing the channels.conf and leaving it at that.



John Veness, MythTV user, UK, DVB-T

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