Schiit Modi - Manual (Page 3)

There are no controls. No, this is not one of those veiled “there is no spoon” references.
The Optical Modi simply has no controls. Just two lights.
1 Left Light: when this is on, the optical Modi has been plugged in and turned on.
2 Right Light: when this is on, the optical Modi is receiving an optical datastream.
Both lights need to be on for you to hear music.
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