[mythtvnz] DVB-S no lock when scanning channels on 12483 but 12456 is ok.

[Nick Rout]

On Sun, Aug 15, 2010 at 11:24 PM, Bob . <maillists.mythtv at gmail.com> wrote:
> Howdy.
>
> I'm trying to set up a friends Freeview satellite myth box but am
> having trouble getting all the channels.
>
> I've set up the capture card and LNB, then the video source using the
> eit from the satellite.
>
> I then do a channel scan on the 12456000 frequency.  That works fine,
> I get about 15 channels including TV3, Prime, etc.
>
> I then do a channel scan on the 12483000 frequency.  That does not
> work.  I get a 'No Lock' message even though the signal strength is
> 95% and the SNR fluctuates between half-way and full on the bar (just
> like 12456000).  No channels are found.
>
> For both transponders I'm using the details found here:
> http://www.mythtv.co.nz/mythtv/digital-tv/
>
> I successfully get guide data for the channels that I find off of the
> first transponder.
>
> I've also had a look at the settings on a STB which is successfully
> tuning channels from both channels.  The settings that I can see
> (can't find anything for FEC or Inversion) agree with what I'm using
> in myth.
>
>
> Any idea why this might be happening?

Are you sure you have it set to horizontal polarity?