Duo2 & BBC packge 27.5w

and for dreambox 7080 anyone knows an easy way forward

there is any config to use one tuner for one sat and the other double internal tuner for the rest of sats with diseq.

I mean i have one motorished dish and a dreambox7080 with a internal dual tuner bcm4506 but i have also a tuner C bcm4505 for 27,5W i would like to use the internal tuners for all sat in diseq less for 27,5 where i want to use the bcm4505 its possible to configure?

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With this config (cable connected tuner A1)
tuner A1 advanced diseq 1.2 (less sat 27,5W)
tuner A2 nothing connected
Tuner C motor simple

all sats work and when i choose 27,5W tuner C is select but not signal.