[mythtv-users] Problem with DVB-C setup in germany

Joachim Zettler joachim_zettler at yahoo.de
Sun Jun 28 14:06:27 UTC 2009

Dear all,

meanwhile I found some time to test the procedure Marc proposed. The
scan worked and as a result I got a channels.conf which I imported in
myth-setup. Unfortunately I still get the following errors when I want
to switch to live tv (from the mythbackend.log file)

2009-06-28 15:49:48.497 DVBChan(1:0) Error: SetChannelByString(28468):
Tuning to frequency.
2009-06-28 15:49:48.498 TVRec(1) Error: Failed to set channel to
28468. Reverting to kState_None
2009-06-28 15:49:48.499 TVRec(1): Changing from WatchingLiveTV to None
2009-06-28 15:50:48.778 DVBChan(1:0) Warning: Your frequency setting
(11836500) is out of range. (min/max:47000000/862000000)
2009-06-28 15:50:48.780 DVBChan(1:0) Warning: Symbol Rate setting
(27500000) is out of range (min/max:458333/7333333)

The curious thing is, that automatically numerous transports appear in
my transports lists which do not belong to dvb-c at all. The above
frequency 11836500 and the Symbol Rate of 275000000 for example is
such a transport and somehow it is connected to my initial channel
28448 :(

I already tried to delete all transports that do not match dvb-c but
after I did that in the channels editor, all my channels have gone as

I hope somebody can explain me what I am doing wrong and why I cannot
get a proper connection between dvb-c transports and my channels.

Best regards and thx in advance for your help

On Sun, Jun 21, 2009 at 6:49 PM, Mark Wormgoor<mark at wormgoor.com> wrote:
> Hi,
> Joachim Zettler wrote:
>> Dear all,
>> I am currently setting up a mythtv (mythbuntu) system with two dvb-c
>> cards in germany.
>> After I setup the two DVB-C cards and defined the video sources I am
>> currently defining the Input Connections and wanted to generate the
>> initial scan to get my channels. Here is already the problem. Do I
>> somehow have to define a starting frequency for the scan to work or
>> how can I get my channels for each of my DVB cards?
>> I have already read numerous tutorials but it seems that this is
>> definitely no problem for most of the people (except myself :( )
> Take a look at this guide:
> http://www.ethics-gradient.net/myth/mythdvb.html
> I've found that scanning from the command-line using the scan utility is
> much easier to troubleshoot than doing it all in MythTV. You can import the
> resulting channels.conf into myth later on after you've done a successful
> scan.
> The DVB scan utility does needs some starting frequency, just like mythtv.
> My system (CentOS 5.3 / ATRpms) actually contains an input file for the scan
> utility to work with under /usr/share/dvb/dvb-c/. They're part of the
> linuxtv-dvb-apps package. It also contains files for Germany (de-Berlin,
> de-iesy, de-Kabel_BW, de-Muenchen, de-neftv).
> My scan command looks like this:
> /usr/bin/scan -q -t 1 -A 2 -n /usr/share/dvb/dvb-c/nl-Casema
> (scan, q=quiet, -t 1 = tv only, -A 2 = DVB-C, -n = evaluate NIT-other which
> is slower, but I need it for Casema/Ziggo)
> Kind regards,
> Mark Wormgoor
> Kind regards,
> Mark Wormgoor
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