1. Introduction
This manual provides essential information for the proper setup, operation, and maintenance of your Best Choice Products 88-Key Weighted Full Size Digital Piano. Please read these instructions thoroughly before using the product to ensure optimal performance and longevity. Retain this manual for future reference.

Figure 1: Best Choice Products 88-Key Weighted Full Size Digital Piano set.
2. Package Contents
Verify that all components listed below are included in your package. If any parts are missing or damaged, contact customer support.
- 88-Key Weighted Digital Piano Unit
- U-Stand (for piano support)
- Music Stand (sheet music holder)
- Three Sustain Pedal Unit (Soft, Selective Sustain, Sustain)
- Piano Stool
- Keyboard Cover
- Power Adapter
- Instruction Manual
- Key Stickers (for white keys)

Figure 2: Unboxed components of the digital piano set.
3. Setup Instructions
Follow these steps to assemble your digital piano. It is recommended to have two people for assembly due to the weight of the piano unit.
- Unpack Components: Carefully remove all items from the packaging and place them on a soft, flat surface to prevent scratches.
- Assemble the U-Stand: Connect the wooden parts of the U-stand using the provided screws and screwdriver. Ensure all connections are secure and stable.
- Place the Piano Unit: Gently lift the 88-key digital piano unit and place it securely onto the assembled U-stand. Ensure it is centered and stable.
- Connect the Pedal Unit: Locate the pedal input port on the underside of the piano unit. Connect the three sustain pedal unit cable firmly into this port.
- Attach the Music Stand: Insert the music stand into the designated slot on the top panel of the piano.
- Power Connection: Connect the power adapter to the DC 12V input port on the rear of the piano. Plug the adapter into a standard electrical outlet.
- Optional: Apply Key Stickers: If desired, carefully apply the provided key stickers to the white keys, following the numerical and alphabetical order from left to right as indicated on the sticker sheet.
Video 1: Overview of the 88-Key Piano with U-Stand, demonstrating the assembled product and its components.
4. Operating Instructions
4.1 Power On/Off
To power on the piano, locate the power switch on the rear panel and toggle it to the 'ON' position. The display will illuminate. To power off, toggle the switch back to 'OFF'.
4.2 Keys and Touch Sensitivity
The piano features 88 fully weighted, hammer-action, and touch-sensitive keys. This design mimics the feel of an acoustic piano, providing a responsive playing experience. The volume and tone of the notes will vary based on the pressure applied to the keys.

Figure 3: Detail of the 88 fully weighted keys, illustrating their hammer-action and touch-sensitive design.
4.3 Pedal Unit Functions
The included three sustain pedal unit offers enhanced expressive control:
- Soft Pedal: Reduces the volume and softens the tone of notes.
- Selective Sustain Pedal: Sustains only the notes held down while the pedal is pressed, allowing other notes to decay normally.
- Sustain Pedal: Sustains all notes played while the pedal is pressed, creating a continuous sound.

Figure 4: The triple pedal unit, detailing the function of each pedal.
4.4 Sound Selection and Controls
Your digital piano includes a wide array of preset sounds and functions:
- Timbres: Access 140 different instrument sounds. Use the 'Timbre' buttons and numerical selection to choose.
- Rhythms: Select from 128 built-in rhythms to accompany your playing. Use the 'Rhythm' buttons for selection.
- Demo Songs: Explore 100 pre-recorded demo songs. Use the 'Demo' button to play.
- MIDI Interface: Connect to external MIDI devices for expanded sound libraries and recording capabilities.
- Volume Control: Adjust the overall output volume using the dedicated volume knob.

Figure 5: The piano's control panel, illustrating various sound selection and function buttons.
4.5 Media Compatibility
The piano offers various connectivity options:
- MIDI/USB Outputs: Connect to computers or other devices for recording, music production, or interactive learning software.
- Headphone Jacks: Two 3.5mm headphone jacks are available for private practice or shared listening without external speakers.

Figure 6: Connectivity options, showing the piano linked to a tablet for interactive use.
5. Maintenance
Proper care ensures the longevity of your digital piano:
- Cleaning: Use a soft, dry cloth to wipe the surface of the piano and keys. Avoid abrasive cleaners or solvents.
- Dust Protection: Use the provided keyboard cover when the piano is not in use to protect it from dust and debris.
- Placement: Keep the piano away from direct sunlight, heat sources, and areas with high humidity to prevent damage to electronic components and wood materials.
- Transportation: When moving the piano, ensure it is properly disassembled and packed to prevent damage.
6. Troubleshooting
If you encounter issues, refer to the following common solutions:
- No Sound:
- Ensure the power adapter is securely connected and the piano is turned on.
- Check the master volume level; increase if necessary.
- If headphones are connected, disconnect them to check speaker output.
- Keys Not Responding:
- Verify the piano is powered on.
- Ensure no foreign objects are lodged between the keys.
- Pedals Not Functioning:
- Confirm the pedal unit cable is fully inserted into the correct port.
- Distorted Sound:
- Lower the master volume.
- Check for any connected external devices that might be causing interference.
For further assistance, please contact customer support.
7. Specifications
| Feature | Detail |
|---|---|
| Brand | Best Choice Products |
| Model Number | SKY6604 |
| Number of Keys | 88 |
| Key Type | Weighted, Hammer-Action, Touch-Sensitive |
| Dimensions (L x W x H) | 52" x 13" x 36" |
| Item Weight | 56 Pounds |
| Material Type | 38% plastic, 60% MDF wooden parts |
| Color | Black |
| Power Source | Plug-in |
| Headphones Jack | 3.5mm Jack (x2) |
| Connectivity Technology | Auxiliary, MIDI/USB Outputs |
| Stool Weight Capacity | 220 lbs. |

Figure 7: Product dimensions for the digital piano and accompanying accessories.
8. Warranty and Support
8.1 Warranty Information
This product comes with a standard manufacturer's warranty. For specific details regarding warranty coverage, duration, and terms, please refer to the warranty card included in your product packaging or visit the official Best Choice Products website.
8.2 Customer Support
For any questions, technical support, or assistance with your product, please contact Best Choice Products customer service. Contact information can typically be found on the product packaging, the official brand website, or through your retailer's support channels.





