If you have change your old set-up from beovison  LX, MX, Avant  to BeoVision`s  new flatscreen then you have to look here. Your proberly need a new B&O link amplifier made speciel for B&O flatscreens

Old and new set-up

More details here:

http://service.bang-olufsen.dk/BeoWise_CorpWeb.nsf/9ae386b8091de698c12570910049eb22/9b48307167e23303c125709a004894da/$FILE/RF%20Link%20Amplifier_Public.pdf

So the RF-out from the BeoVison Avant transmits the aerial signal, internal DVD and connected sources to the link rooms.

And the RF-out from the BeoVision 7 will not transmit the aerial signal, but only the internal DVD and connected sources (not HDMI) to the link rooms.

So you do need a RF link amplifier to combine the RF-out from the BeoVision and the aerial signal to transmit it to the link-rooms. 

Does anybody own a new BeoVision flatscreen with link-rooms and can they confirm this?