What to do if keys on my Casio Casiotone CT-S1 Synthesizer aren't working?
- JJoseph NelsonAug 16, 2025
If nothing happens when you press a key on your Casio Synthesizer, try these steps: * First, adjust the volume level. * Second, make sure that nothing is plugged into the PHONES/OUTPUT jack on the back. * Finally, try turning the Synthesizer off and then back on again to initialize settings.