https://archivedforum.beoworld.org:443/forums/13.aspxThe main Meeting Place for BeoWorld members, and the place for General Questions, Answers and things to say! If you have any questions about anything Bang &amp; Olufsen related - please ask. If you have anything to say - please tell!enCommunityServer 2008 SP2 (Build: 31104.93)https://archivedforum.beoworld.org:443/forums/thread/292563.aspxWed, 01 Sep 2010 14:58:01 GMT41a2a90c-3a1e-4bd3-b144-3883695a7f38:292563KingOfSnake0https://archivedforum.beoworld.org:443/forums/thread/292563.aspxhttps://archivedforum.beoworld.org:443/forums/commentrss.aspx?SectionID=13&PostID=292563<p>Don&#39;t know if it is grammatically correct or not - 22 years since I did GCSE French - but perhaps some kind soul can advise the sw level required in the BS9000 for two to work as Master and Slave in the same ML grouping. &nbsp;I am pretty sure BS9000 needed to be at least MK2 before it would function in A.OPT 6 but any advice (or correction of my French above) gratefully received.</p> <p>Thanks in advance.</p><div style="clear:both;"></div>