Onkyo TX-SR393DAB Instruction Manual page 56

Contents Connections Playback Setup
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"Off" (Default: On).
„ TV Logic
Suitable for TV shows produced in a TV studio. This mode gives clarity to voices
by enhancing the entire surround sounds, and creates a realistic acoustic image.
„ Unplugged
Suitable for acoustic instruments, vocals and jazz. This mode emphasizes the
front sound field image, giving the impression of being in front of the stage.
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Front Panel≫ Rear Panel≫ Remote≫