LG SN7Y Owner's Manual page 23

Surround function OFF
Sound Effect
AI SOUND PRO
BASS BLAST
or
BASS BLAST+
STANDARD
MOVIE
MUSIC
Input
2.0 Ch
5.1 Ch
7.1 Ch or more
2.0 Ch
5.1 Ch
7.1 Ch or more
2.0 Ch
5.1 Ch
7.1 Ch or more
2.0 Ch
5.1 Ch
7.1 Ch or more
2.0 Ch
5.1 Ch
7.1 Ch or more
Output
No rear speakers
Connecting
Rear speakers connected
23
2