Casio CTK491 User's Guide
![Casio CTK491 Keyboard manual cover](/images/JKXwOgsqpaHWpUseHiQrQkrG/thumbs/thumb175x175.webp)
To perform a factory reset on the Casio CTK-491, turn off the keyboard, then hold down the 'Tone' and 'Rhythm' buttons and turn the power back on. This will reset the keyboard to its factory settings.
First, ensure that the keyboard is properly powered. If the keys are still unresponsive, check for any debris under the keys or consider resetting the keyboard. If the problem persists, the keyboard may require professional servicing.
To connect your Casio CTK-491 to a computer, use a MIDI to USB interface cable. Connect the MIDI OUT of the keyboard to the MIDI IN of the interface, then plug the USB into your computer. Ensure you have the necessary drivers installed on your computer.
To clean the Casio CTK-491, use a soft, dry cloth to gently wipe the surface of the keyboard. For more stubborn dirt, slightly dampen the cloth with water. Avoid using solvents or abrasive cleaners.
To change the tone on the Casio CTK-491, press the 'Tone' button, then use the numeric keypad to enter the number of the desired tone. The selected tone will be displayed on the screen.
Yes, you can use headphones with the Casio CTK-491. Simply plug the headphones into the PHONES/OUTPUT jack located on the back of the keyboard. This will mute the built-in speakers.
Distorted sound can be caused by low batteries or a poor power connection. Try replacing the batteries or using a different power adapter. If the issue persists, check the volume levels and ensure that no effects are causing distortion.
The Casio CTK-491 does not support direct layering of sounds. However, you can record one sound using the built-in recorder, then play along with a different sound to create a layered effect.
The Casio CTK-491 has a maximum polyphony of 12 notes, which means it can play up to 12 notes simultaneously.
To adjust the tempo of a rhythm on the Casio CTK-491, press the 'Tempo' button, then use the '+' and '-' buttons to increase or decrease the tempo as desired.