1. Introduction
Thank you for choosing the Eastar EUP-100 88-Key Weighted Digital Piano. This instrument is designed to provide a realistic piano playing experience with modern digital features, suitable for beginners and experienced musicians alike. This manual provides essential information for setup, operation, maintenance, and troubleshooting to ensure optimal performance and longevity of your digital piano.

Image 1.1: The Eastar EUP-100 Digital Piano, showcasing its modern design and integration into a home environment.
2. Safety Information
- Power Supply: Use only the specified power adapter. Ensure the voltage matches your local power supply.
- Moisture: Keep the instrument away from water, high humidity, and direct rain. Do not place liquid containers on the piano.
- Heat Sources: Avoid placing the piano near heat sources such as radiators, heat registers, stoves, or other heat-producing appliances.
- Ventilation: Do not block any ventilation openings. Ensure proper airflow around the instrument.
- Cleaning: Disconnect the power before cleaning. Use a soft, dry cloth. Do not use liquid cleaners or aerosol cleaners.
- Children: Supervise children when they are near the instrument to prevent accidents.
- Servicing: Do not attempt to service the instrument yourself. Refer all servicing to qualified service personnel.
3. What's in the Box
Upon unpacking, please verify that all the following items are included:
- Eastar EUP-100 Digital Piano Unit
- Piano Stand Legs (4 pieces)
- Three-Pedal Unit
- Power Adapter (DC 12V 3A)
- Headphones
- Music Stickers
- User Manual (this document)
- Assembly Hardware

Image 3.1: All components included with the Eastar EUP-100 Digital Piano.
4. Assembly and Setup
The Eastar EUP-100 is designed for straightforward assembly. For convenience and safety, it is recommended that two people assemble the unit.
4.1 Assembling the Stand
- Carefully unpack all components and lay them out on a soft, clean surface to prevent scratches.
- Attach the four stand legs to the main piano body using the provided screws and tools. Ensure all connections are secure.
- Gently place the assembled piano upright on a stable, level surface.
4.2 Connecting the Pedal Unit
Locate the pedal socket on the underside of the piano (refer to Image 6.1). Connect the cable from the three-pedal unit firmly into this socket.
4.3 Power Connection
Connect the DC 12V power adapter to the power interface on the piano and then plug it into a suitable wall outlet.

Image 4.1: The smooth folding lid of the EUP-100, designed for dust resistance and secure support.
5. Operating Instructions
The Eastar EUP-100 offers a range of features to enhance your playing experience. Familiarize yourself with the control panel and key functions.
5.1 Power On/Off and Volume
Press the Power button to turn the piano on or off. Adjust the master volume using the dedicated Volume knob on the control panel.

Image 5.1: The 88-key hammer action keyboard provides a simulated piano touch and expressive control.
5.2 Key Features and Functions
The EUP-100 includes various functions accessible via the control panel:
- 88-Key Weighted Hammer Action: Simulates the feel of an acoustic grand piano.
- Dual Voice: Play two different instrument sounds simultaneously.
- Split Keyboard: Divide the keyboard into two sections, each with a different voice.
- Auto Chord: Automatically generate chords with a single key press.
- Transpose: Shift the pitch of the entire keyboard up or down.
- Built-in Metronome: Essential for rhythm practice. Adjust tempo as needed.
- Intro/Ending Accompaniment: Add rhythmic backing to your playing.
- Recording Capability: Record and playback your performances.
- Touch Response On/Off: Adjust the sensitivity of the keys to your playing dynamics.
- Voices: Access 13 different instrument voices.
- Rhythms: Choose from 128 rhythms.
- Demo Songs: Explore 31 built-in demo songs.

Image 5.2: Overview of the wide range of functions available on the EUP-100.

Image 5.3: Detailed graphic of the EUP-100's rich functionality.
5.3 Using the Pedals
The three-pedal unit provides expressive control:
- Sustain Pedal (Right): Sustains notes after keys are released.
- Sostenuto Pedal (Middle): Sustains only notes held down at the moment the pedal is pressed.
- Soft Pedal (Left): Softens the sound of the notes played.
Video 5.1: An official product video demonstrating the features and sound of the Eastar EUP-100 Digital Piano, including its stylish design, weighted keys, and various functions. This video is provided by Aoduo.
6. Connectivity
The EUP-100 offers multiple connectivity options for various applications.

Image 6.1: Multiple connectivity options on the rear panel of the EUP-100.
6.1 Headphone Jack
Connect standard 3.5mm headphones to the 'PHONE' jack for private practice. The internal speakers will automatically mute when headphones are connected.
6.2 MIDI and USB Connectivity
The piano features MIDI IN/OUT ports and a USB port for connecting to computers or other MIDI devices. This allows for recording, sequencing, and using the piano as a MIDI controller with software like GarageBand.
6.3 Bluetooth Wireless Connection
Utilize the built-in Bluetooth connectivity to wirelessly connect to educational apps or other compatible devices, expanding your learning and creative possibilities.

Image 6.2: Wireless MIDI and audio connectivity for enhanced learning and composing.
7. Maintenance
Proper care will ensure your Eastar EUP-100 remains in excellent condition.
- Cleaning: Wipe the piano's surface with a soft, dry, lint-free cloth. For stubborn dirt, slightly dampen the cloth with water, then wipe dry immediately. Avoid abrasive cleaners or solvents.
- Key Cleaning: Use a soft cloth to gently wipe the keys. For white keys, a slightly damp cloth can be used, followed by a dry one.
- Storage: When not in use, keep the lid closed to protect the keys from dust. Store the piano in a stable environment, away from extreme temperatures or humidity fluctuations.
- Transportation: If moving the piano, ensure it is powered off and all cables are disconnected. Handle with care, preferably with two people, due to its weight.
8. Troubleshooting
If you encounter any issues, refer to the following common problems and solutions:
- No Sound:
- Ensure the power adapter is securely connected and the piano is turned on.
- Check the master volume level.
- If headphones are plugged in, unplug them to enable speaker output.
- Verify that no external audio devices are connected to the AUX OUT that might be muting internal speakers.
- Keys Not Responding:
- Restart the piano.
- Ensure no foreign objects are lodged between the keys.
- Distorted Sound:
- Reduce the master volume.
- Check if any external audio sources connected via Bluetooth or USB are causing interference.
- Bluetooth Connection Issues:
- Ensure Bluetooth is enabled on both the piano and your external device.
- Move the devices closer to each other to improve signal strength.
- Disconnect and re-pair the devices.
If the problem persists after trying these steps, please contact customer support.
9. Specifications
| Feature | Specification |
|---|---|
| Model Name | EUP100 |
| Number of Keys | 88 |
| Key Type | Weighted Hammer Action |
| Voices | 13 |
| Rhythms | 128 |
| Demo Songs | 31 |
| Connectivity | Bluetooth, USB, MIDI IN/OUT |
| Headphones Jack | 3.5mm |
| Power Source | Corded Electric (DC 12V 3A) |
| Dimensions (L x W x H) | Approx. 53.35 x 17 x 31.02 inches (assembled) |
| Item Weight | 55 pounds (25 kg) |
| Body Material | Wood (outer casing) |
| Color | Retro Wood Color |

Image 9.1: Key dimensions of the Eastar EUP-100 Digital Piano.
10. Warranty and Support
Eastar products are manufactured to high-quality standards. For specific warranty details, please refer to the warranty card included with your product or visit the official Eastar website. If you require technical assistance, have questions about your product, or need to report a defect, please contact Eastar customer support through the contact information provided on the official website or your purchase platform.





