Check out this thread. It discusses the most recent software in the posts from the last two or three weeks. Updating is something you will need to have done.
BV7 40 MKIII / SW 4.24 problem
You also might want to look at this thread.
Beovision 7-55 with Beolab 7-4, 9s and 4000s
Beovision 10-40 with Beolab 1s and 6000s
Beosound 1, 5, 2000, and 3000
Beotime, Beotalk, Beocoms