Technics SC-EH750 Operating Instructions Manual page 31

Add these audio effects to improve the experience
eCheck the set-up of your speakers.
Virtual rear surround effect
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Virtual speakers
—
Center focus effect
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Multi rear surround effect
Through processing of the surround sound signals, this
mode makes it seem like there are multiple surround
speakers in your room.
Virtual speakers
Seat position function
BY For SC-EH750
For SC-EH550
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