Asus Xonar DSX User Manual page 42

No Item
1 SVN On/Off
2 SVN blue light
3 SVN display
36
Description
Click this button to enable SVN. This button is outlined blue when
active.
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.
When SVN is enabled, the "Smart Volume" meter will light up and
indicate the volume level.
ASUS Xonar DSX
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