[linux-dvb] AW: Re: DST & Twinhan-Card

["Stefan Schenk" <steffx@pfroen.de>]

Hello,

> What are the values you see when you *zap ?

Sorry, but what is *zap and how do i use it ?

Stefan

> -----Ursprüngliche Nachricht-----
> Von: linux-dvb-bounce@linuxtv.org 
> [mailto:linux-dvb-bounce@linuxtv.org] Im Auftrag von Manu Abraham
> Gesendet: Mittwoch, 17. November 2004 07:19
> An: linux-dvb@linuxtv.org
> Betreff: [linux-dvb] Re: DST & Twinhan-Card
> 
> 
> On Wed November 17 2004 8:47 am, Craig Read wrote:
> > Stefan Schenk wrote:
> > >This might be also of interest for the list
> > >
> > >I was playing around with the values Jamie was talking about ... 
> > >without success. There must be some other differences 
> between DVB-T 
> > >in Australia and Germany ....
> > >
> > >Stefan
> > >
> > >-----Ursprüngliche Nachricht-----
> > >Von: Jamie Honan [mailto:jhonan@optushome.com.au]
> > >Gesendet: Sonntag, 14. November 2004 23:38
> > >An: Stefan Schenk
> > >Betreff: Re: DST & Twinhan-Card
> > >
> > >On Sun, Nov 14, 2004 at 12:14:37PM +0100, Stefan Schenk wrote:
> > >>Hello Jamie,
> > >>
> > >>
> > >>   as i saw on the dvb-mailing-list you did a lot of great work, 
> > >>making the Twinhan-cards working under linux. I have a 
> very strange 
> > >>problem here. I use a DVB-T card from the german company 
> HAMA which 
> > >>is
> > >>
> > >>
> > >>said to be a 100% clone of Twinhans VisionDTV. I can load the 
> > >>drivers and everything looks perfect. The problem is, 
> that i get a 
> > >>very bad signal in (vdr's femon-plugin shows someting between 15% 
> > >>and 30%) and therefore the picture is very very bad. When i start 
> > >>the card with the same antenna in the same room under 
> windows i get 
> > >>a full signal and a perfect picture.
> > >>
> > >>Do you have any idee whats wrong with my system or my card ?
> > >>
> > >>Thanks a lot
> >
> > I have exactly the same problem on my Twinhan VisionDTV here in 
> > Australia.  The MythTV setup program reports ~23% signal 
> strength, I 
> > get 2/5 channels ok (ABC and SBS), but everything else is totally 
> > unwatchable.  The same card works reasonably under Windoze (>80% 
> > signal
> The signal strength indicator is just a gimmick, it has 
> nothing to do with the 
> actual signal strength, i believe.
> 
> What are the values you see when you *zap ?
> 
> Manu
> > strength, HDTV is unwatchable and channel 10 gets a glitch every 
> > minute or so).  This is running under Knoppmyth with the 
> 2.4 kernel.  
> > I also have a Teac STB which works well on all channels (but not 
> > enough singnal for HDTV).  I'm about to try loading Suse 9.1 on a 
> > fresh drive with 2.4 kernel and a fresh CVS checkout of the dvb 
> > drivers.  If that doesn't work, I'll sell the Twinhan card 
> on ebay and 
> > buy a DVico FusionHDTV (unless somebody suggests a better 
> DVB-T card).
> >
> > >Hmm. Everything looks good as far as module loading goes.
> > >
> > >I guess there's a lot more undocumented registers etc.
> > >
> > >One thing you could try, the guy who got it going was in 
> Australia, 
> > >which has 7Mhz bandwidth. You are either 8 or 6. Most apps try 
> > >BANDWIDTH_AUTO, which I notice sets 7 MHz.
> > >
> > >You could try playing round with this in the code.
> > >I haven't a copy of the latest versions but look for code 
> like this:
> > >
> > >                case BANDWIDTH_6_MHZ:
> > >                        val[6] = 6;
> > >                        break;
> > >
> > >
> > >                case BANDWIDTH_7_MHZ:
> > >                case BANDWIDTH_AUTO:
> > >                        val[6] = 7;
> > >                        break;
> > >
> > >
> > >                case BANDWIDTH_8_MHZ:
> > >                        val[6] = 8;
> > >                        break;
> > >
> > >and try moving BANDWIDTH_AUTO to 8Mhz.
> > >(actually I see two spots)
> > >
> > >You might also try 0 for Auto and see what happens.
> > >
> > >Let me or the list know.
> > >Jamie
> 
> 
>