Concertmate-570 Electronic Keyboard (420-4025) Troubleshooting Faxback Doc. # 32571 If your Concertmate-570 is not working properly, these suggestions might help. Problem Cause Remedy No sound from the Power supply problem. Check the power supply. keyboard. Are batteries installed correctly? Are batteries fresh? Is adapter connected correctly? No change in the Rotation speed is too Rotate the dial more sound when you slow. quickly. rotate the Sound Wizard Dial. No change in 1. Sound effect or 1. Press a musical notes no matter phrase is selected. instrument button. what keyboard key 2. Demo tune is playing. 2. Stop the demo tune. you press. (YO/all-05/07/96)