Is the box set up using it as a decoder on the first and only tv channel (channel tv 1: decoder=yes)
this way, if you press tv it using the sky box?
this is how my set top box is configured and i can use link tv on my beolab 3500 to listen to the tv station.
Ralf
My Beo: Beosound 3000, Beolab 4000, Beo 4 DVD, Beolab 5000/Beomaster 5000, Beovox S45.2 with Stands, Beosystem 7000 black with Beolink 7000, Beolink 1000, F1000 (3 cubes), Beovox 5000, Beovox 3000, Attyca 1.