You press "A.V" button until you get Audio or Video in the display, depending of what system you want to change volume on.
You then move the pin up or down to adjust the volume.
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Happy owner of: BV10, 2 x Beocom 2, Beocom 6000, Beocenter 2, Beolab 3, Beolab 2000, Beo4, Beolab 11
1:st prize winner Beoworld January Price Draw.