The mono decoding feature can process a one-channel program into five-speaker sound, directing the signals so that dialogue remains locked on-screen, while music and ambient effects fill the room. You experience a surround sensation, providing extra enjoyment when you watch older (that is, pre-stereo) movies. This feature can be used for mono TV shows and movies when you select TV, VCR, AUX or Tape.
To turn on mono decoding, follow these steps: