1. Introduction
Thank you for choosing the MUSTAR 88-Key Semi-Weighted Digital Piano. This manual provides essential information for the proper setup, operation, and maintenance of your instrument. Please read it thoroughly before use to ensure optimal performance and longevity.

The MUSTAR 88-Key Semi-Weighted Digital Piano, featuring a brown wood-grain finish, integrated stand, and a three-pedal unit.
2. Package Contents
Verify that all items listed below are included in your package. If any components are missing or damaged, please contact customer support.
- MUSTAR 88-Key Digital Piano
- Power Adapter
- Removable Music Stand
- Three-Pedal Unit
- Instruction Manual (this document)
- Assembly Hardware (screws, wrench)
- Dust Cover

All components included in the MUSTAR 88-Key Digital Piano package.
3. Setup Instructions
3.1 Assembly
- Carefully unpack all components from the box.
- Attach the four stand legs to the underside of the piano body using the provided screws and wrench. Ensure they are securely fastened.
- Insert the removable music stand into the designated slot on the top panel of the piano.
- Place the three-pedal unit on the floor in front of the piano.
3.2 Connections
Refer to the connection panel diagram for port locations.

The connection panel of the digital piano, detailing ports for power, pedal unit, audio input/output, headphone jack, USB, and MIDI connectivity.
- Power Connection: Connect the power adapter to the DC POWER input (1) on the rear panel of the piano, then plug the adapter into a standard electrical outlet.
- Pedal Unit Connection: Connect the cable from the three-pedal unit to the PEDAL jack (2) on the rear panel.
- Headphones: For private practice, connect standard 3.5mm headphones to the EARPHONE jack (5). This will automatically mute the built-in speakers.
- External Audio Input: To play external audio through the piano's speakers, connect your audio device to the AUDIO IN jack (4).
- Audio Output: To connect external speakers or an amplifier, use the AUDIO OUT jack (3).
- USB/MIDI Connectivity: Connect to a computer or mobile device using a USB cable via the USB MIDI port (6) for interactive learning, recording, or MIDI control.

The three-pedal unit in use, illustrating the soft, muffling, and sustaining pedal functions for expressive playing.
4. Operating Instructions
4.1 Power On/Off
Press the POWER button on the control panel to turn the piano on or off.
4.2 Key Features
- 88 Semi-Weighted Keys: The keys are designed to provide a realistic piano feel with touch sensitivity, allowing for expressive playing dynamics.
- Sound and Rhythm Library: Explore 800 tones, 600 rhythms, and 80 demo songs. Use the control panel buttons to navigate and select different sounds and rhythms.
- Dual Voice Mode: Combine two different instrument voices simultaneously (e.g., piano and strings) to create richer sounds. Refer to the control panel for activation.
- Split Keyboard Function: Divide the keyboard into two sections, each with its own voice, allowing two players to use the instrument simultaneously or for teaching purposes.
- Recording and Playback: The piano features a recording function to capture your performances. Consult the manual's detailed section on recording for specific instructions.
- Volume Control: Adjust the master volume using the dedicated knob or buttons on the control panel.

Detail of the 88 semi-weighted keys, designed to provide a responsive and realistic playing experience for various dynamics.

A user playing the digital piano, emphasizing the extensive library of 800 tones, 600 rhythms, and 80 demo songs for diverse musical exploration.

Two individuals utilizing the split keyboard function, allowing for duet playing or teaching scenarios.

A visual representation of the piano's key weighting, the LED display with multifunction buttons, and its versatile USB/MIDI/Bluetooth connectivity for external devices.
5. Maintenance
- Cleaning: Use a soft, dry cloth to wipe the surface of the piano. For stubborn dirt, a slightly damp cloth can be used, followed by a dry cloth. Avoid abrasive cleaners or solvents.
- Dust Cover: Use the provided dust cover when the piano is not in use to protect it from dust and debris.
- Storage: Store the piano in a dry, temperature-stable environment, away from direct sunlight and extreme humidity.
- Transportation: When moving the piano, ensure all cables are disconnected and the instrument is handled carefully to prevent damage.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound from speakers | Power not connected; Volume too low; Headphones connected; External speakers not connected or off. | Check power connection; Increase volume; Disconnect headphones; Ensure external speakers are connected and powered on. |
| Keys not responding | Piano not powered on; Specific mode selected (e.g., demo mode). | Ensure piano is powered on; Exit any demo or special modes. |
| Pedals not working | Pedal unit not connected properly. | Check the connection of the pedal unit cable to the PEDAL jack. |
| Connectivity issues (USB/MIDI/Bluetooth) | Incorrect cable; Driver issues; Device not paired. | Ensure correct cables are used; Install necessary drivers on your computer; Follow pairing instructions for Bluetooth. |
7. Specifications
| Feature | Detail |
|---|---|
| Model Number | U6010402100/U6010402200 |
| Number of Keys | 88 |
| Key Type | Semi-Weighted, Touch-Sensitive |
| Tones | 800 |
| Rhythms | 600 |
| Demo Songs | 80 |
| Connectivity | Bluetooth, MIDI, USB |
| Connectors | 3.5mm Headphone Jack, 3.5mm Audio In, 3.5mm Audio Out, USB MIDI, Pedal Jack, DC Power |
| Power Source | Corded Electric |
| Product Dimensions (L x W x H) | 50.8" x 10.6" x 28.7" (129cm x 27cm x 73cm) |
| Item Weight | 33.9 pounds (15.38 kg) |
| Material Type | Plastic/Composite |
| Color | Brown |

An overview of the digital piano's dimensions, highlighting its compact and elegant design suitable for various spaces.
8. Warranty and Support
For warranty information, please refer to the documentation provided with your purchase or contact the retailer. For technical support, product inquiries, or assistance with any issues not covered in this manual, please visit the official MUSTAR store or contact their customer service directly.
MUSTAR Official Store: Visit the MUSTAR Store on Amazon