Denon AVR-S500BT Owner's Manual page 72

Contents Connections
Room EQ
Set whether to use the equalizer or not.
On: Use "Room EQ".
Off
Do no use "Room EQ".
(Default):
Speakers for which "Room EQ" can be set differ according to the sound mode.
Front panel Display
Playback Settings
Rear panel 72
Tips
Remote Index
Appendix