I'm using the TBS6909 in a windows environment. (Win7 x64 SP1, Driver V 1.01). Basically it is working well, but I am not able to receive/tune any ASTRA DVB-S2 transponder that is modulated in QPSK. No problems with DVB-S2 transponders modulated in 8PSK. Anybody else who has/had this problem? From T...