Re: MSI TV @nywhere a/d support

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On Friday 12 January 2007 16:47, Greg 'groggy' Lehey wrote:

Wow, your email is in red.  It must be important.  Either that or kmail does 
not recognize your gpg signature.  ;-)  

> On Friday, 12 January 2007 at  0:35:53 +0100, hermann pitton wrote:
> > Am Donnerstag, den 11.01.2007, 22:14 +1030 schrieb Trevor Glen:

[snip]
> >> Any other thoughts out there people?
> >
> > That might depend on if your au-Adelaide (?) initial scan file is
> > already tda10046 safe. It needs correct values. Other frontends are
> > more tolerant and this can break it for you.
>
> I'm not sure I understand this.  A couple of questions:
>
> - By the "original scan file", do you mean the channels.conf file
>   described at http://www.linuxtv.org/wiki/index.php/Zap ?  If so,
>   what might be wrong with it, in particular the au-Adelaide file?
>   I've had no trouble with it with the DVICO Fusion cards.

I don't know what hermann meant, but different hardware copes differently 
with configuration file errors.  One of my tuners refused Melbourne's 
digital channel 7 even though the other worked - until Kaffeine's 
configuration was corrected, then they both worked.  

Are you worried about the output of Zap, or the contents of a master 
configuration file somewhere?  

> - What's "tda10046 safe"?  In particular, what values do you think
>   might be incorrect?  How would one go about establishing what's
>   wrong?
>
> > Usually, if using "scan" from mercurial dvb-apps, it is best to set
> > all to AUTO there except freq. and bandwidth.
>
> Is this version significantly different from the one described at
> http://www.linuxtv.org/wiki/index.php/Scan ?
>
> > This works fine for me on all 8MHz transponders, but my single 7MHz
> > one won't do it that way. Might differ for you. I think people had
> > already success also with 7MHz stuff.
>
> It would appear that transponders in Adelaide are all 7 MHz.
>
> > Another known pitfall with the tda10046 is that in Australia
> > reportedly offsets of 167000Hz are in use. You might try with
> > modified scan files with such positive and negative offsets.
>
> Where would this be?
>
> On Friday, 12 January 2007 at 15:38:01 +1100, Peter D. wrote:
> > On Friday 12 January 2007 10:35, hermann pitton wrote:
> >
> > [snip]
> >
> >> That might depend on if your au-Adelaide (?) initial scan file is
> >> already tda10046 safe. It needs correct values. Other frontends are
> >> more tolerant and this can break it for you.
> >
> > I forgot about that.  I have two tuner cards and they differ in their
> > capabilities when presented with wrong configuration files.  Be warned
> > that there are many places that such a config file can be lurking -
> > especially if you are playing with multiple applications.
> >
> > I'm in Melbourne if you are interested in my configuration of Kaffeine.
>
> I'd certainly be interested in what differences you have in the
> configuration file.

I think that the important change was guard interval (in Kaffeine) from 1/8 
to auto.  

The nearest thing that I can find that looks like an authoritative source 
about what Australian broadcasters were using in 2003 is 
<http://www.dba.org.au/index.asp?sectionID=120> which says that the correct 
guard interval is 1/16, but it also says that things can change.  


> > Do you want any information about the remote?
>
> I'd certainly be interested.

Have you got any specific questions?  

> This card (if it's the one I'm thinking of) looks like being the
> cheapest locally available DVB-T card, so it would be nice to get good
> support for it.


-- 
sig goes here...
Peter D.

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