KORG C-720 Owner's Manual

To connect the KORG C-720 to an external amplifier, use the LINE OUT jacks located on the back panel of the piano. Connect these jacks to the input of your amplifier using appropriate audio cables.
First, ensure that the piano is properly powered on. Check if the volume is turned up and that headphones are not plugged in, as this can mute the speakers. If the problem persists, consider performing a factory reset or contacting KORG support for assistance.
To factory reset the KORG C-720, turn off the piano. Hold down the RESET button while turning the power back on. Continue holding the button until the initialization process is complete. This will reset the piano to its original factory settings.
Regular maintenance for the KORG C-720 includes dusting the exterior with a soft, dry cloth, checking connections and cables for wear, and ensuring the keyboard is kept in a stable environment away from extreme temperatures and humidity.
Yes, you can use headphones with the KORG C-720. Simply plug your headphones into the PHONES jack located at the front or rear of the piano. This will automatically mute the built-in speakers.
Distortion can occur if the volume is set too high. Try lowering the master volume. Also, check if any connected external devices are causing interference. If distortion persists, inspect the speakers for damage or consult KORG support.
To adjust touch sensitivity, press the FUNCTION button, then use the arrow buttons to navigate to the touch sensitivity settings. Choose the desired sensitivity level and press ENTER to confirm.
Check if the pedal cable is securely connected to the piano. Ensure there are no obstructions under the pedals. If the issue remains, the pedal unit might require servicing.
To record a performance, press the RECORD button. Use the track buttons to select a track, then press START/STOP to begin recording. Press START/STOP again to end the recording.
Yes, layering sounds is possible. Press the LAYER button, then select the two sounds you wish to layer using the sound selection buttons. Adjust the balance between the sounds as needed.