Make audio (optical) port active all the time

Well, as my topic says... Is there anyway to make the optical audio port active all the time while I have the connector inserted?
My issue is that it shuts down when I don't play any music/video on my MBP and my reciever doesn't recive a signal, in that way it makes a humming sound...
Very annoying.
Any idea?

Hello MrDanne,
No, you cannot make the optical audio port active 'all the time' for when your Mac is shutdown, this includes the all internal electrical circuits (besides your power unit) thus the port cannot be active.
The humming sound is known as distortion, this occurs because there is an un-avoidable interference caused by particles when there is no signal communicated through the cable.
When you shut down your MBP, you should also turn off the receiver.

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Make audio (optical) port active all the time

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