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5.
Hardware introduction
5.1 Xonar U3 external USB audio card layout
2
.
Light indicator
Status
Play music (not Mute) LED on
Play music (Mute)
Idle (not Mute)
Idle (Mute)
2.
Headphone & S/PDIF-Out port
3.
Mic & Line-in port
4
Description
LED off
LED on
LED off
Xonar U3 Quick Start Guide
1
3
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