[linux-dvb] TT C-1200 USB wrong frequency

Suur Karu suurkaru at fastmail.fm
Mon Nov 20 13:14:11 CET 2006

My Technotrend Connect C-1200 USB DVB-C adapter have problem
to tunning to 170MHz (no signal at all), but instead of it I found missing 
channels on frequency 178MHz (not listed in NIT table), but with big disturbance 
in picture and not stable LOCK (not usable).

Other frequencies works flawlessly (162, 498, 506, 570...)

Example of channels.conf file:
# freq sr fec mod
C 162000000 6900000 NONE QAM64
C 170000000 6900000 NONE QAM64

Same receiver on Windows find correct values.

ttusb_init_controller: unknown STC version V 2.5, please report!
ttusb_init_controller: dsp-version: 0.0
DVB: registering new adapter (Technotrend/Hauppauge Nova-USB).
DVB: registering frontend 1 (ST STV0297 DVB-C)...
usbcore: registered new driver ttusb

This is second adapter, first is Airstar2 PCI:

b2c2-flexcop: B2C2 FlexcopII/II(b)/III digital TV receiver chip loaded successfully
flexcop-pci: will use the HW PID filter.
flexcop-pci: card revision 2
PCI: Found IRQ 3 for device 0000:02:02.0
PCI: Sharing IRQ 3 with 0000:00:1f.3
PCI: Sharing IRQ 3 with 0000:00:1f.5
DVB: registering new adapter (FlexCop Digital TV device).
b2c2-flexcop: MAC address = 00:d0:d7:09:e0:87
b2c2-flexcop: i2c master_xfer failed
b2c2-flexcop: i2c master_xfer failed
b2c2-flexcop: found the mt352 at i2c address: 0x0f
DVB: registering frontend 0 (Zarlink MT352 DVB-T)...
b2c2-flexcop: initialization of 'Air2PC/AirStar 2 DVB-T' at the 'PCI' bus 
controlled by a 'FlexCopIIb' complete

HG drivers from 17. Nov 06.

Any comment, please


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