1. Introduction
The Casio CDP-S1A Digital Piano Bundle offers a portable, full-size 88-key digital piano with an authentic piano touch and exceptional value. This model is suitable for piano students, educators, and players of all levels seeking a compact, user-friendly instrument without compromising sound quality or realistic feel.
Key features include:
- 88 fully-weighted keys for an authentic piano feel.
- 10 built-in tones with a layer function.
- Built-in metronome for practice.
- 4 Reverb effects and 4 Chorus effects for tonal adjustments.
- Scaled Hammer Action II Keys for a realistic acoustic piano touch.

Figure 1: Front view of the Casio CDP-S1A Digital Piano.
2. Setup
This bundle includes the CDP-S1A Digital Piano, a matching wooden stand, a height-adjustable padded folding artist bench, a sustain pedal (SP3), a device-ready music rest, and a power supply. The piano can also be optionally powered by 6xAA batteries.
2.1 Assembling the Stand and Bench
Follow the instructions provided with the wooden stand and artist bench for proper assembly. Ensure all screws and fasteners are securely tightened for stability.

Figure 2: Casio CDP-S1A Digital Piano with its matching wooden stand and artist bench.
2.2 Connecting Power and Pedal
- Connect the power adapter to the DC 12V input jack located on the rear panel of the piano. Plug the other end into a standard electrical outlet.
- Connect the SP3 Sustain Pedal to the SUSTAIN pedal jack on the rear panel.

Figure 3: Rear view showing power and pedal connections.
2.3 Attaching the Music Rest
Insert the device-ready music rest into the slots provided on the top panel of the digital piano.
3. Operating Instructions
3.1 Power On/Off
Press the POWER button located on the left side of the top panel to turn the piano on or off.
3.2 Adjusting Volume
Use the MASTER VOLUME slider to adjust the overall sound level of the piano.
3.3 Selecting Tones
The CDP-S1A features 10 built-in tones. To select a tone:
- Press the GRAND PIANO button to quickly select the default grand piano tone.
- To access other tones, hold down the FUNCTION button and press the corresponding key on the keyboard as indicated in the manual (e.g., E.PIANO, ORGAN, STRINGS).
3.4 Using the Metronome
The built-in metronome is useful for practicing rhythm and timing. Refer to the detailed instructions in the full user manual for activating and adjusting metronome settings (tempo, beat, volume).

Figure 4: A person playing the Casio CDP-S1A Digital Piano.
4. Maintenance
To ensure the longevity and optimal performance of your Casio CDP-S1A Digital Piano, follow these maintenance guidelines:
- Cleaning: Wipe the piano's surface with a soft, dry cloth. For stubborn dirt, use a slightly damp cloth and then dry thoroughly. Avoid abrasive cleaners, waxes, or solvents.
- Storage: Store the piano in a cool, dry place away from direct sunlight, extreme temperatures, and humidity.
- Handling: Always handle the piano with care. Avoid dropping it or subjecting it to strong impacts.
- Power: Disconnect the power adapter when the piano is not in use for extended periods.
5. Troubleshooting
If you encounter any issues with your digital piano, refer to the following common troubleshooting tips:
- No Sound: Check if the power is on and the volume is turned up. Ensure headphones are not plugged in if you intend to use the speakers. Verify that the sustain pedal is correctly connected.
- Distorted Sound: Lower the volume. Check for any loose connections.
- Keys Not Responding: Ensure the piano is powered on. If specific keys are unresponsive, contact customer support.
- Power Issues: Ensure the power adapter is securely connected to both the piano and the power outlet. If using batteries, check if they are correctly inserted and have sufficient charge.
For more complex issues, please contact Casio customer support.
6. Specifications
| Feature | Detail |
|---|---|
| Brand | Casio |
| Model Name | CDP-S1A |
| Number of Keys | 88 |
| Key Type | Scaled Hammer Action II, Weighted Keys |
| Color | Black |
| Item Weight | 23.2 Pounds |
| Power Source | Corded Electric (Optional 6xAA battery power) |
| Headphones Jack | 3.5mm Jack |
| Connectivity Technology | Auxiliary |
| Material Type | Plastic |
7. Warranty and Support
This product comes with a manufacturer's warranty. Please refer to the warranty card included in your product packaging for specific terms and conditions. For technical assistance, troubleshooting, or warranty claims, please contact Casio customer support.
For additional support and resources, visit the official Casio website or refer to the contact information provided in your product documentation.





