Why does demo play start but I can't hear anything on my Casio Musical Instrument?
- JjimenezloriAug 25, 2025
If the demo play starts but you can't hear anything on your Casio Musical Instrument, it might be due to the following reasons: * The MAIN VOLUME knob could be set to “MIN”. Rotate it towards “MAX”. * Headphones might be connected. Unplug them to hear the sound through the speakers.










