Our BV7-40 has the Adaptive Sound Technology in the menu but greyed out. Looked at a new 7-55 and there is no AST in the menu?
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