On Tue, 2004-12-14 at 00:38 +0100, Robert Copelan wrote: > Brad, > Try the following for channel 3 > perl ptune.pl --frequency 88000 > > for channel 4: perl ptune.pl --frequency 95000 > > >
> >> >> > On Mon, 2004-12-13 at 14:50 +0100, Robert Copelan wrote: > >> >> >> Brad, > >> >> >> Try tuning to channnel 10 and see if you get channel 18. My > >> PVR250, > >> >> >> purchased 2 weeks ago, has a TYPE 50 tuner. That one seems to not > >> >> yet > >> >> >> be > >> >> >> fully supported. Also, I have found that by plugging in > >> frequencies > >> >> >> directly it will receive correctly. (ptune.pl --frequency xxxxxx) > >> It > >> >> >> seems > >> >> >> that the frequencies are all non-standard though. This is > >> probably > >> >> due > >> >> >> to > >> >> >> some differently calculated parameters for this new tuner. > >> >> >> > >> >> >> Tonight, I'll send you a script to find working freqs and a couple > >> of > >> >> >> the > >> >> >> ones I found on my system. > >> >> >> > >> >> >> There was a posting last week about a patch to tune.c (kernel > >> >> program) > >> >> >> that might help. > >> >> >> > >> >> >> > >> >> >> Robert > >> >> >> > >> >> >> > >> >> >> > >> >> >> > I am running the coax out from a digital cable box into the > >> tuner > >> >> of a > >> >> >> > PVR 250 and I can't get it tuned in at all. I have been running > >> >> >> > `/usr/lib/ivtv/ptune-ui.pl & mplayer /dev/video0` and trying > >> all > >> >> >> > different combinations. Things definitely change and range > >> >> anywhere > >> >> >> > from a black screen to a screen with wavy colors, to regular old > >> >> snow. > >> >> >> > The tuner > >> >> >> > shows up as a type 2 and I added that option to modprobe.conf: > >> >> >> > > >> >> >> > # ivtv modules setup > >> >> >> > alias char-major-81 videodev > >> >> >> > alias char-major-81-0 ivtv > >> >> >> > options tuner type=2 > >> >> >> > > >> >> >> > Any help is greatly appreciated. > >> >> >> > > >> >> >> > Brad > >> >> >> > > >> >> > > >> >> > Robert, > >> >> > > >> >> > Brad > Thanks to everyone for the help. I feel a bit foolish, but tonight I had the tv on while following the lists' suggestions and noticed that my 'wavy' screen when tuned to channel 3 _is_ actually the signal. It's the picture chopped into sections with black lines separating the chunks. The black lines run mostly horizontal but slightly vertical. I tried fine tuning with ptune-ui.pl. Tuning directly to 88000 or 95000 with ptune.pl gets me static again, so I think the frequency ptune gives me for 3 is right or close. Could this still be a need for an amplifier on the line...especially given that my power pole is not grounded and touching coax in my house lands a good shock? It seems to me like I am close. Thanks again for all the help, Brad
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