Casio Celviano AP420 User's Guide

Casio Celviano AP420 Keyboard manual cover

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Casio Celviano AP420 Keyboard Specification

The Casio Celviano AP420 is a digital piano designed to provide an authentic acoustic piano experience through advanced technology. It features an 88-key scaled hammer action keyboard with tri-sensor technology, offering a realistic touch and feel akin to a traditional grand piano. The AP420 incorporates the Linear Morphing AiF Sound Source, producing rich and dynamic sounds by simulating the tonal variations of an acoustic piano. This model includes 128-note polyphony, allowing for complex passages and sustained notes without dropouts.

The instrument is equipped with a dual 20W speaker system, delivering clear and powerful sound suitable for both practice and performance settings. A selection of 16 high-quality tones, including grand pianos, organs, and strings, provides versatility for various musical styles. The keyboard also includes split and layer functions, enabling players to combine sounds creatively.

For connectivity, the AP420 offers USB MIDI capabilities, facilitating integration with computers and other MIDI devices for composing and recording. A built-in metronome, transpose function, and two-track recorder enhance practice and composition possibilities. The keyboard's design is complemented by a rosewood finish, providing an elegant aesthetic suitable for any home or studio environment.

Additional features include a duet mode, which splits the keyboard into two equal pitch ranges for student-teacher interaction, and a headphone output for private practice. The Casio Celviano AP420 is powered by an included AC adapter, ensuring consistent performance. Overall, the AP420 combines sophisticated sound technology with practical features, making it an ideal choice for pianists seeking a high-quality digital piano experience.

Casio Celviano AP420 Keyboard F.A.Q.

How do I change the touch sensitivity on the Casio Celviano AP420?

To change the touch sensitivity, press the "Function" button, then use the keyboard keys to select the "Touch" function. You can choose from Light, Normal, or Heavy touch sensitivity options.

What should I do if the keys on my AP420 are not producing sound?

First, ensure the volume is turned up. Check that the headphones are not plugged in, and verify the power cable is securely connected. If the issue persists, try resetting the keyboard by turning it off and on again.

How can I record a song on the Casio Celviano AP420?

Press the "Song Recorder" button, select a track using the "Track 1" or "Track 2" button, then press the "Start/Stop" button to begin recording. Play your piece and press "Start/Stop" again to finish.

How do I perform a factory reset on the AP420?

To perform a factory reset, turn off the keyboard. Hold down the "Function" and "Transpose" buttons while turning the power back on. This will reset the keyboard to its original factory settings.

Can I connect my Casio Celviano AP420 to a computer?

Yes, the AP420 has a USB MIDI port. Use a USB cable to connect the keyboard to your computer, then install the necessary drivers to start using it with music software.

What is the best way to clean the keys on my AP420?

Use a soft, damp cloth to gently wipe the keys. Avoid using harsh chemicals or too much water, as they may damage the keyboard. Ensure the keyboard is turned off and unplugged before cleaning.

How can I layer two sounds on the Casio Celviano AP420?

To layer sounds, select the first sound, then press and hold the "Function" button while selecting the second sound. Both sounds will be layered and played together.

What does the "Transpose" function do on the AP420?

The "Transpose" function allows you to change the key of the keyboard. This is useful for playing along with other instruments or singers without having to manually adjust your playing technique.

How do I adjust the metronome settings on my AP420?

Press the "Metronome" button to start the metronome. Use the "+" and "–" buttons to adjust the tempo. You can also change the time signature by holding the "Metronome" button and selecting the desired time signature using the keyboard keys.

What should I do if my AP420 keyboard won’t turn on?

Check that the power cord is properly connected and the outlet is functioning. If using batteries, ensure they are inserted correctly and have sufficient charge. If the problem persists, consult the manual or contact Casio support.