[linux-dvb] Re: Aw: Re: LNB-Loop thru dead when driver loaded

[Johannes Stezenbach <js@convergence.de>]

holger.bocklet@nexgo.de wrote:
> 
> ...mhh, i thought the only way the tuner "controlls" the LNB is by switching polarisation (so at least the stations at the same pol should work).

The satellite equipment control (SEC) part of the SAT frontend
switches between H/V polarization and high/low band, and can
send DiSEqC commands to possibly control other switches.

The driver disables loop-through, and by default (when dvb.o is
loaded with init_chan=2 [see DVB/driver/Makefile]) switches
to n-tv in the Astra high band, presuming you can receive Astra 19.2E.

After that analog channels (which usually are in the low band on Astra)
won't work unless you re-enable loop-through or switch to a
transponder in Astra low band, e.g. to the IFA-TV channel recently
mentioned here (which still broadcasts).


Regards,
Johannes


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