[linux-dvb] TechnoTrend C-1501 - Locking issues on 388Mhz

Arthur Konovalov artlov at gmail.com
Tue Oct 14 12:56:14 CEST 2008


klaas de waal wrote:
> Question: which provider do you have?
I have local cable provider Starman.

> 
> Assuming you use "zap" to tune, you have a configuration file like this 
> (valid for some Dutch UPC regio's):
> Ned1:386750000:INVERSION_AUTO:6900000:FEC_AUTO:QAM_64:2001:2012:12141
> Ned2:386750000:INVERSION_AUTO:6900000:FEC_AUTO:QAM_64:2301:2312:12142
> Ned3:386750000:INVERSION_AUTO:6900000:FEC_AUTO:QAM_64:2601:2612:12143

Sample of my channels.conf:
TV3:386000000:INVERSION_AUTO:6875000:FEC_NONE:QAM_64:703:803:1003
ETV:386000000:INVERSION_AUTO:6875000:FEC_NONE:QAM_64:704:804:1001
Kanal11:386000000:INVERSION_AUTO:6875000:FEC_NONE:QAM_64:58:769:1006

I have 2 dvb-c cards KNC1 and Technotrend C-1501. KNC1 works flawlessly on all 
frequency's  with same channels.conf

It strange that at some time czap has lock, but picture missing.

C-1501:
~/szap# czap -a3 -c /root/szap/Starman TV3
using '/dev/dvb/adapter3/frontend0' and '/dev/dvb/adapter3/demux0'
reading channels from file '/root/szap/Starman'
   1 TV3:386000000:INVERSION_AUTO:6875000:FEC_AUTO:QAM_64:703:803:1003
   1 TV3: f 386000000, s 6875000, i 2, fec 9, qam 3, v 0x2bf, a 0x323
status 00 | signal 8f8f | snr b8b8 | ber 000fffff | unc 00000027 |
status 00 | signal 8f8f | snr b6b6 | ber 000fffff | unc 00000027 |
status 00 | signal 8f8f | snr b5b5 | ber 000fffff | unc 00000028 |
status 00 | signal 8f8f | snr b7b7 | ber 000fffff | unc 00000027 |
status 00 | signal 8f8f | snr b8b8 | ber 000fffff | unc 00000027 |
status 00 | signal 8f8f | snr b6b6 | ber 000fffff | unc 00000027 |
status 1f | signal e7e7 | snr e4e4 | ber 000fffff | unc 0000022e | FE_HAS_LOCK
status 1f | signal e7e7 | snr ecec | ber 0000000c | unc 00000000 | FE_HAS_LOCK
status 1f | signal e7e7 | snr eaea | ber 00000009 | unc 000009f3 | FE_HAS_LOCK
status 1f | signal e7e7 | snr eded | ber 00000009 | unc 00000000 | FE_HAS_LOCK
status 1f | signal e7e7 | snr f2f2 | ber 00000000 | unc 00000000 | FE_HAS_LOCK
status 1f | signal e7e7 | snr eded | ber 00000000 | unc 00000000 | FE_HAS_LOCK

KNC1:
~/szap# czap -a2 -c /root/szap/Starman TV3
using '/dev/dvb/adapter2/frontend0' and '/dev/dvb/adapter2/demux0'
reading channels from file '/root/szap/Starman'
   1 TV3:386000000:INVERSION_AUTO:6875000:FEC_AUTO:QAM_64:703:803:1003
   1 TV3: f 386000000, s 6875000, i 2, fec 9, qam 3, v 0x2bf, a 0x323
status 1f | signal 7d7d | snr f6f6 | ber 00000000 | unc 0000003b | FE_HAS_LOCK
status 1f | signal 7d7d | snr f6f6 | ber 00000000 | unc 00000000 | FE_HAS_LOCK
status 1f | signal 7d7d | snr f6f6 | ber 00000000 | unc 00000000 | FE_HAS_LOCK
status 1f | signal 7d7d | snr f5f5 | ber 00000000 | unc 00000000 | FE_HAS_LOCK
status 1f | signal 7d7d | snr f6f6 | ber 00000000 | unc 00000000 | FE_HAS_LOCK
status 1f | signal 7d7d | snr f6f6 | ber 00000000 | unc 00000000 | FE_HAS_LOCK



Thank You for response.



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