1. VOLUME - This controls an increase (+) or decrease (-) in volume. 2. CENTER - This controls the volume of the Center Speaker. 3. TREBLE - This controls the level of the treble. 4. BASS - This controls the overall bass output. 5. BASS BOOST - This increases the bass output to the subwoofer. 6-9. BALANCE - These buttons balance the front and rear as well as the left and right speaker strengths.
10. STEREO - This turns on and off the stereo mode. 11. HALL - This changes the sound to Hall mode. 12. CONCERT - This changes the sound to Concert mode. 13. PRO-LOGIC - This turns on the Pro-Logic mode. 14. INPUT 1/2 - This swiches to either music source connected to Input 1 or Input 2 (RCA jacks). 15. POWER - This button turns on the ESC200.