[linux-dvb] Re: Full featured card summary

[Holger Waechtler <holger@qanu.de>]

On Sunday 14 March 2004 13:11, Oliver Endriss wrote:
> On Sunday 14 March 2004 10:27, Robert Schlabbach wrote:
> > From: "Heino Goldenstein" <heino.goldenstein@t-online.de>
> >
> > > Helmut Auer wrote:
> > > > These settings are not working for me, but the long version
> > > > from Oliver will:
> > > >
> > > > S19.2E  11700 V  9750 v [E0 10 38 F0] [E1 10 38 F0] [E1 10 38 F0]
> > > > ...
> > >
> > > maybe your sat-cable does not transmit the DiSEqC-command reliable
> > > and it needs some retransmits until your multiswitch it understand.
> >
> > Or maybe he just has a setup with _cascaded_ switches, which require
> > repeating the DiSEqC sequence for any second or third level switches,
> > which may not be connected to the bus the first or second time the
> > command is sent.
>
> IIRC I added the retransmissions because switching was not 100%
> reliable (with driver 0.9.4 and vdr 1.0.4, long time ago).
> As I don't have a logic analyser, I was never able to track down the
> real problem. Anyway, Eutelsat recommends to repeat the sequence, and
> it increases reliability, so I never changed it...
>
> @Klaus:
> Please change the "Optimized for full DiSEqC" sequence in diseqc.conf
> of the vdr tar-ball, because some frontends do not turn on LNB power by
> default.

it's a bug in a particular frontend driver then, it needs to get fixed there. 

If you specify a bus voltage of 13 or 18V you definitely don't mean 
VOLTAGE_OFF but expect the LNBP working, everything else is a bug.

Holger


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