USB LEDs
Status
Solid red
Headset is powered off
Solid red
Headset is not subscribed (if headset is powered on)
Red and blue flashes
Subscribe mode
Solid blue
Subscription successful; connected
Triple blue flashes
Incoming call
Blue flashes
On a call or streaming media
Solid red
Call is muted
Red flashes
Call on hold
Red flashes
Update in progress
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