[mythtv-users] tuning fusion card on FC5

Shanon Mulley shanonmulleyster at gmail.com
Sun Jul 30 07:11:21 UTC 2006


Do you have a another tuner card installed?

When I was setting up my system recently (FC5 + Avermedia 771 dvb-t +
DVICO Dual Digital dvbt-t), I discovered a weird problem with scandvb
- it would only scan on one of the cards plugged in.

I forget the exact details, (No doubt they are in a previous posting
to mythtv-users or linux-dvb), but if I had both cards plugged in,
fedora and mythtv would recognise 3 tuners (1 on the Avermedia, 2 on
the DVICO). If I then plugged an aerial cable into one of them (I
think it was the DVICO), and then ran any of the following commands:
scandvb -a /dev/dvb/adapter0 au-sydney_north_shore > channels.conf
scandvb -a /dev/dvb/adapter1 au-sydney_north_shore > channels.conf
scandvb -a /dev/dvb/adapter2 au-sydney_north_shore > channels.conf

they would all work, even though one of them (either adaptor 0,1, or
2) was on a card which didnt have any reception. If I plugged the
aerial cable into the Avermedia tuner card, and ran those same 3
commands, none of them worked, even though one of them should have had
reception.

Taking either of the other cards out made the remaining card work as
expected. In the end I just ignored this problem (after many many
hours).

If you dont have 2 cards, then this post is probably irrelevant...

On 7/30/06, Anthony Goddard <anthony at digitalphotographer.com.au> wrote:
> Hi Guys,
> I have posted this to linux-dvb but I thought someone here might have
> some ideas also...
>
> I have almost finished setting up a MythTV box, using FC5 and a
> Fusion HDTV DVB-T Dual.
> The drivers seem to be loading fine, and MythTV can see the card(s)
> and configure them ok.
> I am having trouble getting any signal recognised though, in MythTV
> and tzap.
>
> Here is my results if I run scandvb -5 /usr/share/dvb-apps/dvb-t/au-
> melbourne and tzap 'ABC TV Melbourne' (Below)
>
> I'm not sure what other info might be helpful, but if anyone can help
> or needs a bit more info, please let me know!!
>
> the card ran fine on all but SBS and channel 9 (offset problem) when
> I had FC4 running, and the signal is strong using an HD set-top box
> (+90%)
>
> Any help would be appreciated!!!
>
> Cheers,
> Anthony
>
>
> [root at mythtv dvb-t]# scandvb -5 /usr/share/dvb-apps/dvb-t/au-melbourne
> scanning /usr/share/dvb-apps/dvb-t/au-melbourne
> using '/dev/dvb/adapter0/frontend0' and '/dev/dvb/adapter0/demux0'
> initial transponder 226500000 1 3 9 3 1 1 0
> initial transponder 177500000 1 2 9 3 1 2 0
> initial transponder 191625000 1 3 9 3 1 1 0
> initial transponder 219500000 1 3 9 3 1 1 0
> initial transponder 536625000 1 2 9 3 1 2 0
>  >>> tune to:
> 226500000:INVERSION_AUTO:BANDWIDTH_7_MHZ:FEC_3_4:FEC_AUTO:QAM_64:TRANSMI
> SSION_MODE_8K:GUARD_INTERVAL_1_16:HIERARCHY_NONE
> WARNING: >>> tuning failed!!!
>  >>> tune to:
> 226500000:INVERSION_AUTO:BANDWIDTH_7_MHZ:FEC_3_4:FEC_AUTO:QAM_64:TRANSMI
> SSION_MODE_8K:GUARD_INTERVAL_1_16:HIERARCHY_NONE (tuning failed)
> WARNING: >>> tuning failed!!!
>  >>> tune to:
> 177500000:INVERSION_AUTO:BANDWIDTH_7_MHZ:FEC_2_3:FEC_AUTO:QAM_64:TRANSMI
> SSION_MODE_8K:GUARD_INTERVAL_1_8:HIERARCHY_NONE
> WARNING: >>> tuning failed!!!
>  >>> tune to:
> 177500000:INVERSION_AUTO:BANDWIDTH_7_MHZ:FEC_2_3:FEC_AUTO:QAM_64:TRANSMI
> SSION_MODE_8K:GUARD_INTERVAL_1_8:HIERARCHY_NONE (tuning failed)
> WARNING: >>> tuning failed!!!
>  >>> tune to:
> 191625000:INVERSION_AUTO:BANDWIDTH_7_MHZ:FEC_3_4:FEC_AUTO:QAM_64:TRANSMI
> SSION_MODE_8K:GUARD_INTERVAL_1_16:HIERARCHY_NONE
> WARNING: >>> tuning failed!!!
>  >>> tune to:
> 191625000:INVERSION_AUTO:BANDWIDTH_7_MHZ:FEC_3_4:FEC_AUTO:QAM_64:TRANSMI
> SSION_MODE_8K:GUARD_INTERVAL_1_16:HIERARCHY_NONE (tuning failed)
> WARNING: >>> tuning failed!!!
>  >>> tune to:
> 219500000:INVERSION_AUTO:BANDWIDTH_7_MHZ:FEC_3_4:FEC_AUTO:QAM_64:TRANSMI
> SSION_MODE_8K:GUARD_INTERVAL_1_16:HIERARCHY_NONE
> WARNING: >>> tuning failed!!!
>  >>> tune to:
> 219500000:INVERSION_AUTO:BANDWIDTH_7_MHZ:FEC_3_4:FEC_AUTO:QAM_64:TRANSMI
> SSION_MODE_8K:GUARD_INTERVAL_1_16:HIERARCHY_NONE (tuning failed)
> WARNING: >>> tuning failed!!!
>  >>> tune to:
> 536625000:INVERSION_AUTO:BANDWIDTH_7_MHZ:FEC_2_3:FEC_AUTO:QAM_64:TRANSMI
> SSION_MODE_8K:GUARD_INTERVAL_1_8:HIERARCHY_NONE
> WARNING: >>> tuning failed!!!
>  >>> tune to:
> 536625000:INVERSION_AUTO:BANDWIDTH_7_MHZ:FEC_2_3:FEC_AUTO:QAM_64:TRANSMI
> SSION_MODE_8K:GUARD_INTERVAL_1_8:HIERARCHY_NONE (tuning failed)
> WARNING: >>> tuning failed!!!
> ERROR: initial tuning failed
> dumping lists (0 services)
> Done.
> [root at mythtv dvb-t]#
>
>
>
> [root at mythtv dvb-t]# tzap 'ABC TV Melbourne'
> using '/dev/dvb/adapter0/frontend0' and '/dev/dvb/adapter0/demux0'
> tuning to 226500000 Hz
> video pid 0x0200, audio pid 0x028a
> status 00 | signal 0000 | snr 0000 | ber 00000000 | unc 00000000 |
> status 00 | signal 0000 | snr 0000 | ber 00000000 | unc 00000000 |
> status 00 | signal 0000 | snr 0000 | ber 00000000 | unc 00000000 |
> status 00 | signal 0000 | snr 0000 | ber 00000000 | unc 00000000 |
> status 00 | signal 0000 | snr 0000 | ber 00000000 | unc 00000000 |
> status 00 | signal 0000 | snr 0000 | ber 00000000 | unc 00000000 |
> status 00 | signal 0000 | snr 0000 | ber 00000000 | unc 00000000 |
> status 00 | signal 0000 | snr 0000 | ber 00000000 | unc 00000000 |
> status 00 | signal 0000 | snr 0000 | ber 00000000 | unc 00000000 |
> status 00 | signal 0000 | snr 0000 | ber 00000000 | unc 00000000 |
> status 00 | signal 0000 | snr 0000 | ber 00000000 | unc 00000000 |
> status 00 | signal 0000 | snr 0000 | ber 00000000 | unc 00000000 |
> status 00 | signal 0000 | snr 0000 | ber 00000000 | unc 00000000 |
> status 00 | signal 0000 | snr 0000 | ber 00000000 | unc 00000000 |
> status 00 | signal 0000 | snr 0000 | ber 00000000 | unc 00000000 |
> status 00 | signal 0000 | snr 0000 | ber 00000000 | unc 00000000 |
> status 00 | signal 0000 | snr 0000 | ber 00000000 | unc 00000000 |
> status 00 | signal 0000 | snr 0000 | ber 00000000 | unc 00000000 |
> status 00 | signal 0000 | snr 0000 | ber 00000000 | unc 00000000 |
> status 00 | signal 0000 | snr 0000 | ber 00000000 | unc 00000000 |
> [root at mythtv dvb-t]#
>
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