I have a Comcast voice remote (XR11) that I am trying to program to turn on/off and change volume on a Cambridge audio 351R receiver

unfortunately Comcast does not even have Cambridge audio in their database !

I have the remote codes for the receiver but no clue what Comcast code number to try !

how can I come up with a code for my Comcast remote that would work ?


[Link: techsupport.cambridgeaudio.com]