[vdr] : Positioner and multi-tuner setup?

Teemu Suikki tsuikki at zuik.org
Wed Feb 20 21:52:57 CET 2013

I'm replying to an old message, because soon I will have similar setup so
I'm interested. :)

I currently have two tuners with fixed dish to S1.0W, and third tuner with
diseqc motor. I'm using diseqc.conf and the gotoxx patch, it works very

However I'm adding fourth tuner soon. It will be connected to the motor
dish too.

I have been examining vdr's Device Bonding feature. If two devices are
bonded and Diseqc is enabled, vdr will compare the diseqc strings of the
already tuned master, with the diseqc string of the new channel on the
other device. If they match, channel change is accepted.

So basically it should work if you simply have same diseqc config for both
bonded devices.

However, there is a problem that also the polarisation and low/high
frequency range is compared. This means that the bonded device is
restricted to same polarisation and frequency range. This would need some
patching in dvbdevice.c..
27.12.2012 16.06 "Antti Hartikainen" <ami+vdr at ah.fi> kirjoitti:


I would want to somehow configure VDR to use positioner (H-H motor) and
dual tuner setup, to receive two transponders from same source at one time.

My current hardware setup is: TechnoTrend S2-6400 dual tuner DVB-S2 with
H/W decoder, H-H motor and a quad LNB.

I'm using diseqc commands in diseqc.conf to control the motor, as GOTOXX
patch and rotorng plugin are both too buggy to be used. Rotorng I used to
the positions.

Currently I only have one tuner in use, and it is connected to the motor.

I was wondering if it would be somehow possible to get second tuner in use
also. It would be connected directly to LNB, and that tuner would be
limited to the
same satellite source as the other tuner is tuned to, and have independent


PS. What is the current recomended way for using positioner with VDR?
Preferred would be a USALS capable setup.

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