1. Introduction
Thank you for choosing the AODSK B-85 88-Key Weighted Hammer Action Digital Piano. This instrument is designed to provide an authentic piano playing experience with modern digital features. This manual provides essential information for setup, operation, and maintenance to ensure optimal performance and longevity of your digital piano.

Image 1.1: The AODSK B-85 Digital Piano with its integrated furniture stand and triple pedal unit. A tablet is shown on the music rest, indicating digital sheet music compatibility.
2. Safety Information
- Power Supply: Use only the specified power adapter. Ensure the voltage matches your local power supply.
- Placement: Place the piano on a stable, level surface. Avoid direct sunlight, heat sources, and excessive humidity.
- Moisture: Do not expose the instrument to rain or moisture. Do not place objects containing liquids on the piano.
- Cleaning: Disconnect power before cleaning. Use a soft, dry cloth. Avoid liquid cleaners or abrasive materials.
- Ventilation: Ensure proper ventilation around the instrument. Do not block ventilation openings.
- Children: Keep small parts and packaging materials away from children to prevent choking hazards.
3. Package Contents
Verify that all items are present in the package:
- AODSK B-85 Digital Piano Unit
- Furniture Stand Components
- Triple Pedal Unit
- Power Adapter
- Music Rest
- User Manual (this document)
- Assembly Hardware
4. Assembly Instructions
Assembly of the AODSK B-85 digital piano requires careful attention. It is recommended to have two people for assembly due to the weight of the piano unit. A screwdriver will be needed (not included).
- Unpack Components: Carefully remove all components from the packaging. Place them on a soft, clean surface to prevent scratches.
- Assemble the Stand: Follow the diagrams provided in the separate assembly guide (if applicable) or refer to the general structure. Attach the side panels to the crossbar and pedal unit using the provided screws. Ensure all connections are secure.
- Attach Pedal Unit: Connect the triple pedal unit to the stand structure. Ensure the pedal cable is accessible for connection to the piano unit.
- Place Piano Unit: With assistance, carefully lift the main piano unit and align it with the assembled stand. Gently lower the piano unit onto the stand, ensuring it sits securely.
- Secure Piano Unit: Fasten the piano unit to the stand using the designated screws. Do not overtighten.
- Connect Pedals: Locate the pedal input port on the underside of the piano unit. Connect the cable from the triple pedal unit firmly.
- Attach Music Rest: Insert the music rest into the slots on the top panel of the piano.
- Power Connection: Connect the power adapter to the DC IN port on the piano and then to a wall outlet.
Important Note: Some users have reported a transparent protective tape across the keys during shipping. This tape is very subtle and should be removed before playing. The pedal connector is located on the bottom of the piano, not the back as might be implied by some diagrams.
5. Product Features
The AODSK B-85 Digital Piano offers a range of features designed for an enriching musical experience:
- 88-Key Weighted Hammer Action Keyboard: Provides a realistic touch and feel, mimicking an acoustic piano with graded hammer action.
- Rich Sound Quality: Equipped with built-in speakers that produce clear and resonant tones.
- Multiple Tones: Features 8 professional tones, allowing for diverse musical expression.
- 128-Note Polyphony: Ensures that complex musical passages can be played without notes cutting off.
- 32 Demonstration Songs: Pre-loaded songs for listening and learning.
- Volume Control: Adjustable master volume for practice and performance.
- Recording and Playback: Capture and review your performances.
- Duet Mode: Splits the keyboard into two identical pitch ranges, ideal for teacher-student interaction.
- Teaching Functionalities: Integrated tools to assist with learning.
- Keyboard Cover: A folding key cover protects the keys when not in use and can double as a desk surface.

Image 5.1: Visual representation of key features such as 32 demo songs, 128 polyphony, 8 tones, and 128 rhythm options, contributing to a rich sound experience.

Image 5.2: Detail of the fully-weighted hammer-action keys, illustrating the adjustable touch response from low to high key pressure, replicating an acoustic piano feel.

Image 5.3: A close-up view of the integrated triple pedal unit, providing sustain, sostenuto, and soft pedal functions for expressive playing.
6. Controls and Functions
The control panel is located on the left side above the keyboard. Familiarize yourself with the buttons and knob for optimal use.

Image 6.1: A detailed view of the control panel, showing the power button, volume knob, and various function buttons for tone selection, effects, and MIDI/transpose.
- Power Button: Turns the piano ON or OFF.
- Volume Knob: Adjusts the overall output volume. Turn clockwise to increase, counter-clockwise to decrease.
- SELECT Buttons (◀ / ►): Used to navigate through options or parameters.
- VOL Buttons (VOL ▲ / VOL ▼): Adjusts specific volume levels for certain functions.
- PLAY / PAUSE Button: Controls playback of demonstration songs or recorded tracks.
- TONE / DEMO Button: Selects different instrument tones or initiates demonstration song playback.
- EFFECT Button: Activates or adjusts built-in effects (e.g., Reverb, Chorus).
- MIDI / TRANSPOSE Button: Controls MIDI functions or transposes the pitch of the keyboard.
7. Connectivity
The AODSK B-85 provides various ports for connecting external devices:

Image 7.1: An illustration detailing the various input and output ports available on the digital piano, including USB MIDI, Audio Input, Audio Output, Power Jack, Triple Pedal Jack, and Headphones Jack.
- 1. USB MIDI: Connects the piano to a computer or other MIDI devices for recording, sequencing, or using software instruments.
- 2. Audio Input (AUX IN): Allows connection of external audio sources (e.g., MP3 player, smartphone) to play through the piano's speakers.
- 3. Audio Output (AUX OUT): Connects the piano to external speakers, amplifiers, or recording equipment.
- 4. Power Jack (DC IN): Connects the included power adapter.
- 5. Triple Pedal Jack: Connects the integrated triple pedal unit (located on the bottom of the piano).
- 6. Headphones Jack (3.5mm): For private practice. Connecting headphones mutes the internal speakers.

Image 7.2: A user engaged in private practice using headphones, demonstrating the headphone mode feature which allows for quiet playing without disturbing others.
8. Basic Operation
- Power On/Off: Press the Power button to turn the piano on. Press it again to turn off.
- Adjusting Volume: Rotate the Volume knob to set your desired listening level.
- Selecting Tones: Press the TONE button. Use the SELECT buttons (◀ / ►) to browse through the available instrument tones. Press TONE again to confirm or wait a few seconds.
- Playing Demonstration Songs: Press and hold the TONE/DEMO button to enter demo mode. Use the SELECT buttons to choose a song. Press PLAY/PAUSE to start or stop.
- Using Pedals: The triple pedal unit provides Sustain (right pedal), Sostenuto (middle pedal), and Soft (left pedal) functions, similar to an acoustic piano.
9. Advanced Features
- Recording and Playback: Consult the full manual for detailed instructions on how to record your performances and play them back. This feature allows you to evaluate your playing and track progress.
- Duet Mode: This mode divides the keyboard into two identical sections, each with its own middle C. This is ideal for a teacher and student to play together or for two players to practice simultaneously.
- Teaching Functionalities: The piano includes features to aid in learning. Additionally, a complimentary 30-day course may be available via a music app. Search for "POP PIANO" in your app store.

Image 9.1: An adult and a child playing the digital piano together, illustrating the duet mode feature which supports home teaching and shared performance.

Image 9.2: Screenshots depicting a music learning application on both tablet and smartphone, highlighting the availability of a complimentary course and making learning interactive.
10. Maintenance and Care
- Cleaning: Wipe the piano's surface with a soft, dry cloth. For stubborn dirt, slightly dampen the cloth with water and mild soap, then wipe dry immediately. Avoid harsh chemicals.
- Key Care: Keep the keys clean. If they become dirty, wipe them gently with a soft, slightly damp cloth.
- Storage: When not in use, close the folding key cover to protect the keys from dust and damage. If storing for an extended period, disconnect the power adapter.
- Transportation: When moving the piano, ensure it is properly disassembled and packed to prevent damage.
11. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound | Power not connected; Volume too low; Headphones connected; Speakers muted. | Check power connection; Increase volume; Disconnect headphones; Ensure speakers are not muted. |
| Keys not responding | Protective tape still on keys; Internal connection issue. | Ensure all protective tape is removed from the keys. If issue persists, contact customer support. |
| Pedals not working | Pedal cable not connected properly. | Ensure the pedal cable is firmly connected to the jack on the bottom of the piano. |
| Distorted sound | Volume too high; External device issue. | Lower the volume; Check connections to external devices. |
12. Specifications
| Feature | Detail |
|---|---|
| Model Name | B-85 (UPB-85 / UPB83S) |
| Number of Keys | 88 |
| Key Type | Weighted Hammer Action |
| Polyphony | 128-note |
| Tones | 8 Professional Tones |
| Connectivity | USB MIDI, Aux In, Aux Out, 3.5mm Headphone Jack |
| Power Source | Corded Electric |
| Product Dimensions (D x W x H) | 13.78" x 53.94" x 29.13" (35cm x 137cm x 74cm) |
| Item Weight | 83 lbs (37.6 kg) |
| Body Material | Plastic |
| Special Features | Hammer Action, Weighted Keys, Folding Key Cover |

Image 12.1: A visual representation of the digital piano's dimensions, indicating its width, height, and depth for placement and space planning.
13. Warranty and Support
For warranty information and customer support, please refer to the documentation included with your purchase or contact AODSK directly through their official channels. You may also find support resources on the retailer's website where the product was purchased.
For specific inquiries or technical assistance, please provide your model number (B-85 or UPB83S) and purchase date.





