[mythtv-users] DVB-S error when trying to "SCAN"

Mark Kendall mark.kendall at gmail.com
Fri Mar 2 09:06:14 UTC 2007

On 3/2/07, Derek Conniffe <derek at rivertower.ie> wrote:
> Hi all,
> I have a problem with a DVB-S card - every time I try to "SCAN" for
> channels with mythtv-setup I get these errors: -
>    DiSEqCDevTree, Error: No root device tree node!
>    DVBChan(0) Error: Tune(): Failed to setup DiSEqC devices
> Needless to say I'm not actually using DiSEqC - I'm using a small Sky
> Minidish to get freeview channels (BBC & ITV) - I'm in Ireland
> I've been using a really old copy of mythtv (0.17) for a couple of years
> or more - it was a bit buggy but I had it running with PVR350 and a
> NexusS DVB-S cards and it was great really - watching TV nearly always
> ended in a crash though.
> My neighbour (who fixes TVs for a living) gave me a big LCD TV with
> broken (unrepairable) sound - So I jumped at the chance to use this with
> the latest MythTV.
> I installed Knoppmyth (really easy!) and the PVR350 installation went
> really well (this time I'm using VGA to connect the MytvTV box to the
> LCD TV - much better than the PVR350 to TV via SCART).
> Thanks for any help with this problem - I'm really not sure why I'm
> getting these errors

You need to go into the capture card screen in mythtv-setup. There
should be a diseqc/switch/rotor setting - you should just need to set
that to single/universal LNB (esentially the simplest diseqc setup).

Hope this helps



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