Asus Audio Card Xonar D2 User Manual page 53

No Item
1 SVN On/Off
2 SVN Display
3 SVN Blue Light
Description
Click this button to enable SVN. This button is outlined blue
when active.
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.
When SVN is enabled, the master volume knob will be
illuminated by a blue light. It will be lit red if the volume is
muted.
ASUS Xonar D2
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