Hi Emil,
I replied to your post in the General Forum, but you are right, this may be a better place...
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If I understand correctly your BM5 got the standby button on screen, doesn`t respond to Beo4 commands in the mainroom but from linkrooms - is this right?
The red dot in deed indicates a standby mode - usually after a reboot/recovery. Pressing PC - GO should activate your BM5.
-first step: disconnect the BV7 from the mains for about 10 minutes (you have your PIN code....?!)
-second step: press PC - GO - does the red dot disappear?
- third step: try to activate BM5 from linkroom py pressing PC - GO (will work only from BL3500, BV6, BC6...)
- fourth step: check your option settings. I assume the speakers are connected to the BV7. So V.OPT should be 2, A.OPT 0 and BM5 NO audiomaster.
Hope this helps.
Stefan