Asus Essence STX II User Manual page 39

SVN On/Off. Click this button to enable SVN. This button is outlined blue when active.
SVN blue light. When SVN is enabled, the master volume knob is illuminated by a blue
light. It is illuminated red if the volume is muted.
SVN display. When SVN is enabled, "Smart Volume" will be lit up at the bottom of the
volume meter and the volume meter will show the level.
ASUS Essence STX II 9