hold red spot butten and then press "list" butten
release red butten...
then press "list" butten again ... displayed "option" then press"go"
press again "list" butten ......display " A.opt" then press 0,1 or 2
if you have BV?.. display "V.opt" then press 0,1 or 2
depend on what option you have it
try it .. each number. 1 or 2 or 0
how you connect it .... you tv, sound, center 2.....do you cannect to beolink cable?
it's not easy to ...
do have socket unit manual? page 10.. you can see it
you can download it
here is
http://www.bang-olufsen.com/user-guides?cat=Music%20Systems&prodid=116&typeid=1