Using the sound graphic equalizer
1. Press Settings.
2. Scroll to Sound, then press OK.
3. Scroll to Dolby Audio.
4. Using Left or Right select Off.
5. Scroll to Advanced Settings, then press OK.
6. Scroll to Equalizer, then press OK.
7. Scroll Left or Right select the desired mode (E.g., Classic).
8. Press BACK.
9. Press EXIT.