Christian Kaenzig wrote: > Le Dimanche, 24 Juillet 2005 11:54, thomas schorpp a ?crit : > [..] > >>>Yep. Everything is working right. So what is your issue? >> >>yes, but only that time and that channel. >> > > [...] > >>this is the issue (several hours a day): >> >>kabelbw karlsruhe + mannheim: >> > > [...] > >>schorpp@tom1:~$ femon >>using '/dev/dvb/adapter0/frontend0' >>FE: VLSI VES1820 DVB-C (CABLE) > > [...] > >>status 1f | signal ffff | snr d1d1 | ber 006511de | unc ffffffff | >>FE_HAS_LOCK >>status 1f | signal ffff | snr d5d5 | ber 006511de | unc 00000071 | >>FE_HAS_LOCK >>status 1f | signal ffff | snr cfcf | ber 006511de | unc ffffffff | >>FE_HAS_LOCK >> >>... >>strange signal interferences snr leading to high ber and unc blocks. >> >>picture distorted, high level bursts on audio killed a tweeter coil of >>my expensive audio equipment last week. the power amps protection >>circuits are too slow for that. > > [..] > >>any opionions/comment? > > > First, you are running femon while having your adapter used by some software, > right (e. g. czap, ..) ? If I run femon without an app. using the card, I get > that signal 'ffff'. sure, you need to tune to a channel first, dont you? vdr is running here. > > That said, I also had this kind of problems with some channels at some hours > of the day. The transponders around 300 MHz would always work fine but the > ones over 500 MHz only between 21h - 08h. I could get the latter almost > working all day by plugging the dvb-c card directly to the wall outlet with a > short cable. tuned to ~ 426 MHz at the moment. > > So I guessed the signal strength was not high enough for my card on the higher > frequencies. I bought an antenna amplifier and that solved my problem. checked a week before. looped through the antenna amp of my vhs vcr since. no diffrence, sorry. > > > Christian tom