Introduction
Welcome to your new UISCOM U305B Digital Piano. This manual provides essential information for the safe and effective use of your instrument. Please read it thoroughly before operation and retain it for future reference.
Important Safety Instructions
- Power Supply: Use only the specified power adapter provided with this unit. Ensure the voltage matches your local power supply.
- Ventilation: Do not block any ventilation openings. Ensure adequate airflow around the instrument to prevent overheating.
- Water and Moisture: Keep the digital piano away from water, moisture, and high humidity environments. Do not place containers with liquids on or near the instrument.
- Cleaning: Clean the instrument only with a soft, dry, lint-free cloth. Avoid using abrasive cleaners, waxes, or solvents.
- Location: Place the digital piano on a stable, level surface to prevent accidental falls. Avoid direct sunlight, heat sources, or extreme temperatures.
- Servicing: Do not attempt to service this product yourself. Refer all servicing to qualified service personnel. Opening the unit may expose you to dangerous voltages or other risks.
Package Contents
Verify that all the following items are included in your package:
- UISCOM U305B Digital Piano (Main Unit)
- Sheet Music Stand
- Triple Pedal Unit
- Power Adapter
- Instruction Manual (this document)
Product Overview
Familiarize yourself with the various parts and connections of your digital piano.

This image displays the complete UISCOM U305B Digital Piano setup, including the main keyboard unit, the integrated stand, and the separate triple pedal unit.
Rear Panel Connections and Controls

This detailed view shows the rear panel of the piano, highlighting the various input and output ports, along with an inset for top panel controls.
- Headphone Jack: 6.35mm stereo jack for connecting headphones.
- USB Transport: USB-B port for MIDI communication with a computer or other devices.
- MIDI Input: Standard MIDI IN port for receiving MIDI data.
- MIDI Output: Standard MIDI OUT port for sending MIDI data.
- Audio Input: For connecting external audio sources (e.g., MP3 player).
- Audio Output: For connecting to external amplification systems or recording devices.
- DC Power Input: Connect the provided power adapter here.
- 3 Pedal Connector: Port for connecting the triple pedal unit.
- Volume Control Knob: (Inset, top panel) Adjusts the overall output volume.
- Power Button: (Inset, top panel) Turns the digital piano on or off.
Setup
Step 1: Stand Assembly
Carefully attach the piano unit to the stand using the provided hardware. Ensure all connections are secure and stable before proceeding.
Step 2: Pedal Unit Connection
Connect the cable from the triple pedal unit to the dedicated 3 Pedal Connector (8) on the rear panel of the digital piano.
Step 3: Power Connection
Connect the provided power adapter to the DC Power Input (7) on the rear panel. Then, plug the power adapter into a suitable electrical outlet.
Step 4: Initial Power On
Press the Power Button (10) to turn on the digital piano. The instrument is now ready for use.
Operating Instructions
Basic Operation
The UISCOM U305B features 88 weighted keys designed to emulate the feel of an acoustic grand piano, providing a realistic playing experience. Simply press the keys to produce sound.

This image illustrates the 88-key hammer action weighted keyboard, emphasizing the realistic touch and standard size for an authentic piano experience.
Volume Control
Adjust the overall output volume of the digital piano using the Volume Control Knob (9) located on the top panel. Turn clockwise to increase volume, counter-clockwise to decrease.
Headphone Use
For private practice, connect standard 6.35mm stereo headphones to the Headphone Jack (1) on the rear panel. Connecting headphones will automatically mute the internal speakers, allowing for silent practice.

This image demonstrates immersive practice using headphones, allowing for quiet playing without disturbing others.
USB-MIDI Connectivity
The USB Transport port (2) allows you to connect the digital piano to a computer or other MIDI-compatible devices. This enables recording, sequencing, or using educational software. Use a standard USB-B to USB-A cable (not included) for connection.
Audio Input/Output
Use the Audio Input (5) to connect external audio sources (e.g., an MP3 player, smartphone) and play along with your favorite tracks. The Audio Output (6) allows connection to external amplification systems (like an amplifier or PA system) or recording devices for larger venues or studio work.
Maintenance
Care and Cleaning
- To clean the piano's surface, use a soft, dry, lint-free cloth.
- Do not use abrasive cleaners, waxes, furniture polish, or solvents, as these can damage the finish.
- Avoid placing heavy objects on the keyboard or applying excessive force to the keys, which could cause damage.
- Keep the instrument free from dust by regularly wiping it down.
Troubleshooting
No Sound
- Check if the power adapter is securely connected and the piano is turned on (Power Button 10).
- Ensure the Volume Control Knob (9) is turned up.
- If headphones are connected to the Headphone Jack (1), disconnect them to enable the internal speakers.
- Verify external audio connections if using the Audio Output (6) to an external amplifier.
Keys Not Responding
- Perform a power cycle: turn the instrument off using the Power Button (10), wait a few seconds, then turn it back on.
- Ensure no foreign objects are lodged between the keys, which could prevent them from moving freely.
MIDI Connection Issues
- Verify the USB cable is correctly connected to both the piano's USB Transport port (2) and your computer.
- Check your computer's device manager or audio/MIDI settings to ensure the piano is recognized as a MIDI device.
- Ensure any necessary drivers are installed (refer to UISCOM website if required).
Specifications
Detailed technical specifications for the UISCOM U305B Digital Piano.
| Feature | Detail |
|---|---|
| Brand | UISCOM |
| Model Name | U305B |
| Number of Keys | 88 |
| Key Type | Weighted Keys (Hammer Action) |
| Dimensions (L x W x H) | 50.2" x 13.6" x 28.1" (127.4cm x 34.5cm x 71.5cm) |
| Item Weight | 54.6 pounds |
| Connectivity | USB-MIDI, MIDI In/Out, Audio In/Out, 6.35mm Headphone Jack |
| Power Source | Corded Electric |
| Color | Walnut Wood |

This diagram provides the precise measurements of the digital piano, useful for placement and setup considerations.
Warranty and Support
Warranty Information
UISCOM products are designed for reliability and performance. For specific warranty terms and conditions, please refer to the warranty card included with your product or visit the official UISCOM website for the most up-to-date information.
Customer Support
If you encounter any issues or have questions not covered in this manual, please contact UISCOM customer support for assistance.
- Online Support: For FAQs and additional resources, please visit the official UISCOM store on Amazon: Visit the UISCOM Store
- Contact Details: Refer to your product packaging or the official UISCOM website for direct email and phone contact information.