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Generally, you will see a Blue LED when QS02 has turned on with power supplied.
If QS02 is in the AC standby, you will see a Red LED.
There’s no LED lit when QS02 is not turned on and does not receive any input power.
Applicable Models
QS02, QS02, QS02, QS02, QS02, QS02, QS02, QS02, QS02, QS02
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