On Tuesday 27 Sep 2005 11:11, Marian Durkovic wrote: > > > Anyway, recovery seems to be faster without fine-tuning, at least with > > > my Nexus, higher symbol rates and a good signal... > > > > Hmm, weird, I added the enhanced code because thats what hauppauge > > appeared to be doing, and I thought it seemed to work better at the > > time.... however looks like that isn't the case. I've no problem if you > > want to rip it out. > > Actually I did some further testing and the use of derotator has a very bad > side effect - it reduces the available SNR. The higher is derotator_freq, > the lower is SNR. In my setup, when derotator is set for > 9 MHz, I can't > get the lock anymore (of course I have properly shifted the tuning > frequency). It's far better to perform normal tuning, which does not reduce > the SNR. > > Thus I'd suggest to remove the enhanced tuning section and use standard > tuning for zigzags. Yup, I agree. Want me to do it?