LG 55LM7600 User Manual page 26

To❐fine-tune❐the❐volume
❐ ❐
HOME❐➾ Settings❐➙❐SOUND❐➙❐User❐EQ❐
Sets Sound Mode
100 Hz / 300 Hz / 1 kHz/
3 kHz / 10 kHz
Reset
at User Setting first.
Sets EQ by manually adjusting sound bands.
Resets previously changed equalizer value.