LG MR11 Owner's Manual page 36

LEVEL menu
You can adjust the level of each speaker. These settings are applied to all sound fields.
a Press the SETTINGS button on the remote control. "TEST TONE" appears on the status display.
b Press the PRESET
REPEAT
c Press the OK
speaker appears. The display changes cyclically in the display window as follows.:
REPEAT SETTINGS STOP
PRESET+
OK
OK
PRESET-
EQ USB REC. INFO
36
REPEAT
button on the remote control until "LEVEL" appears on the status display.
SETTINGS STOP
PRESET+ PRESET+
OK
PRESET- PRESET-
EQ USB REC. INFO
button on the remote control. Then press the PRESET
REPEAT SETTINGS STOP
PRESET+ PRESET+
SETTINGS
OK
PRESET- PRESET-
EQ USB REC. INFO
TEST TONE
SETTINGS SETTINGS STOP
LEVEL AV SYNC
RESET
SETTINGS
L 0
SETTINGS
DISPLAY
DOLBY DRC
repeatedly until the desired
R 0
WF 0
RL 0
RR 0