Panasonic SC-AK57 - Manual (Page 32)

Add these audio effects to improve the experience
•Check the set-up of your speakers.
Set your speakers up to suit the surround mode you have selected to get the best surround effect.
These modes cannot be used with the radio.
Virtual rear surround effect
•This mode is useful if you have to place your surround
speakers on the front speakers because of the room’s
layout.
•This mode makes it seem like the sound from the surround
speakers is coming from behind you.
Center focus effect
•This mode makes it seem like the sound from the center
speaker channel {dialogue, etc.) is coming from within the
television.
• The center speaker must be placed on top of the television.
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.
•This mode increases the cinema-like sense of presence.
Seat position function
•This function helps maintain the sound signal position even
if the listening position itself is changed,
• It is effective when using 6CH DISCRETE INPUT, DOLBY
PRO-LOGIC, or SUPER SURROUND.