[mythtv-users] Technotrend 1500 S: can scan, but tuning is difficult
belcampo at zonnet.nl
Tue May 4 16:29:28 UTC 2010
Jarle Thorsen wrote:
> 2009/12/5 Peter Bienstman <Peter.Bienstman at ugent.be
> <mailto:Peter.Bienstman at ugent.be>>
> I have Mythbuntu 9.10, a Technotrend 1500 DVB-S card connected to a TV
> Vlaanderen Triple Sat dish (basically a modified Multytenne with LNB 4
> LNB 1 is hooked up to Astra 1, LNB 2 to Astra 3 and LNB 3 to Astra 2.
> In Kaffeine, I can scan and watch channels just fine (with some
> caveats, e.g. I
> have to tune to a LNB 1 channel first before I can tune to a LNB 3
> In MythTV, doing a scan both on LNB 1 and on 3 seems to find all the
> just fine. However, when watching the (FTA) LNB 1 channels, some
> work, but some
> don't get further than 'partial lock', although I can watch all of these
> channels without problems Kaffeine. For LNB 3, I was even unable to
> find any
> channel that fully locks...
> I thought I needed to press 'C' during Live TV to switch to a
> different LNB,
> but that does not seem to do anything.
> Perhaps there are some troubles with how MythTV handles the DiSEqC
> switch. I
> found some reference on the mailing list that for the Multytenne,
> you need to
> set the DiSEqC repeats to zero, which I did, but perhaps that's not
> the issue
> Any suggestions?
> I am also experiencing what seems to be problems with diseqc switching.
> I think maybe mythtv will neglect sending a diseqc signal even when such
> signal is needed to tune the switch to the right lnb. I'm wondering if
> anybody can tell us the logic behind the diseqc switching code. Will a
> diseqc signal be sent whenever one tries to tune to a channel? If not,
> when will mythtv choose not to send a diseqc switch signal?
> Jarle Thorsen
I'm in the same boat, untill now I use an very old .21 trunk version
where diseqc works OK, I would love to use my Technotrend DVBS-2 card,
but I'm not able to get more then 1 LNB, not with .22-fixes nor .23-fixes.
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