Hi there, there are some unperiodical part of picture freezings and audio dropouts on certain frequencies and certain TV stations. Seems like it is happening especially on Pro7, DigitalFree packet 23,5E 11555H 9/10 DVB-S2 QPSK and even more often on iConcerts or iConcertCZ, SatelliteBG packet 23,5E 12206V 3/4 DVB-S2 8PSK. On other stations from above frequencies that problem is also noticeable but not so often I think.

As far as I know it behaves the same way on four different DM500HDs and two different DM800PVRs (each of them in different places with different antennas and other reception equipment) and it persists after different images trials (Merlin, Gemini, Newnigma). I have also seen that problem even much worse (this time periodical freezings and picture and sound droupouts) on Sony LCD TV with built-in sat tuner and with CAM module. In every cases all other frequencies with similar parameters (8PSK/QPSK etc) are going fine without any problems. But I have also seen several other sat receivers where there was no such problem at all.

I think it is the question of tuner drivers, but of course I am not sure. Is there a way how to log the system behaviour and/or track possible source of this annoying symptoms? Or does someone have any idea?