Introduction
Thank you for choosing the Classic Cantabile DP-400F RH Digital Piano. This instrument combines the authentic feel of an acoustic piano with the versatility of modern digital technology. Featuring 88 weighted keys, 559 sounds, 64-note polyphony, and comprehensive connectivity options including MIDI and USB, the DP-400F RH is designed for musicians of all levels. This manual provides essential information for safe and effective use, setup, operation, and maintenance of your digital piano.
Important Safety Instructions
- Power Supply: Use only the specified power adapter. Ensure the voltage matches your local power supply.
- Water and Moisture: Do not expose the instrument to rain, moisture, or excessive humidity. Do not place containers with liquids on the instrument.
- Ventilation: Ensure proper ventilation. Do not block ventilation openings.
- Heat Sources: Keep the instrument away from heat sources such as radiators, heat registers, stoves, or other apparatus that produce heat.
- Cleaning: Clean only with a dry cloth. Avoid using liquid cleaners or solvents.
- Placement: Place the instrument on a stable, level surface to prevent tipping.
- Servicing: Do not attempt to service this product yourself. Refer all servicing to qualified service personnel.
Package Contents
Please check that all items listed below are included in your package:
- Classic Cantabile DP-400F RH Digital Piano Unit
- 3-Pedal Unit
- Power Adapter
- Music Rest
- User Manual (this document)
Setup
1. Assembly
The Classic Cantabile DP-400F RH requires some assembly. Follow these general steps:
- Carefully unpack all components from the box.
- Attach the side panels to the main keyboard unit using the provided screws.
- Secure the back panel.
- Connect the 3-pedal unit cable to the designated port on the underside of the piano.
- Place the music rest into its slot on the top panel.

Image: The Classic Cantabile DP-400F RH Digital Piano fully assembled, showing the main unit, stand, and pedal board.
2. Power Connection
Connect the power adapter to the DC IN jack on the rear of the piano, then plug the adapter into a suitable wall outlet. Ensure the piano's power switch is in the OFF position before connecting power.
3. Pedal Connection
The 3-pedal unit provides Sustain, Sostenuto, and Soft pedal functions. Ensure the pedal cable is securely connected to the corresponding port on the piano's base.

Image: A close-up view of the three chrome-plated pedals (Sustain, Sostenuto, Soft) integrated into the digital piano's stand.
4. MIDI and USB Connectivity
The DP-400F RH features MIDI IN/OUT ports and a USB-to-Host port for connecting to computers or other MIDI devices. Use a standard USB cable to connect the piano to your computer for MIDI data transfer.
Operating Instructions
1. Power On/Off
Press the POWER button located on the control panel to turn the instrument on or off. The display will illuminate upon power-on.

Image: A wide shot of the digital piano's control panel, showing various buttons, knobs, and the central LCD screen.
2. Volume Control
Adjust the overall volume using the large VOLUME knob on the control panel. Turn clockwise to increase volume, counter-clockwise to decrease.

Image: A detailed view of the 'Volume' and 'Brilliance' rotary knobs on the control panel, with labels indicating their functions.
3. Sound Selection (Voices)
The DP-400F RH offers 559 different instrument voices. Use the VOICE buttons and the data entry dial to browse and select desired sounds. The selected voice will be displayed on the LCD screen.

Image: A close-up view of the 88-key keyboard, showing the black and white keys of the digital piano.
4. Using the Display
The LCD screen provides visual feedback on current settings, selected voices, tempo, and other parameters. Navigate through menus and adjust values using the buttons and dial adjacent to the display.

Image: A detailed view of the digital piano's LCD screen, displaying musical notation, current voice ("St.Gr.Pn1"), tempo, and other operational parameters.

Image: A close-up of the LCD display, showing "VOICE R1" and "St.Gr.Pn1" along with musical staff, measure, beat, and tempo information.
5. Pedal Functions
- Right Pedal (Sustain): Holds the notes played, similar to an acoustic piano's sustain pedal.
- Middle Pedal (Sostenuto): Sustains only the notes held down at the moment the pedal is pressed.
- Left Pedal (Soft): Reduces the volume and changes the timbre of the notes played.
6. Other Functions
Explore other features such as DUAL (layering two voices), SPLIT (dividing the keyboard into two voices), TOUCH (adjusting touch sensitivity), and various effects (DSP). Refer to the control panel for dedicated buttons and the display for detailed settings.

Image: A section of the control panel featuring the "Classic Cantabile DP-400" logo, along with indicators for MTS, General MIDI, and DSP, and buttons like MENU and EXECUTE.
Maintenance
1. Cleaning
Wipe the instrument's surface with a soft, dry cloth. For stubborn dirt, slightly dampen the cloth with water and a mild detergent, then wipe dry immediately. Avoid abrasive cleaners, waxes, or solvents as they can damage the finish.
2. Storage
When not in use for extended periods, cover the digital piano with a dust cover to protect it from dust and dirt. Store in a location with stable temperature and humidity, away from direct sunlight and extreme temperatures.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound | Volume is too low or muted. Headphones are connected. | Increase the VOLUME knob. Disconnect headphones. |
| Power does not turn on | Power adapter not connected properly. Power outlet not working. | Check power adapter connection. Try a different power outlet. |
| Keys are not responding | Instrument may be in a demo mode or a specific setting. | Restart the instrument. Check the manual for specific mode settings. |
| Pedals not working | Pedal unit cable is loose or disconnected. | Ensure the pedal cable is securely connected to the piano. |
Specifications
- Model: DP-400F RH
- Keys: 88 weighted keys
- Pedals: 3 (Sustain, Sostenuto, Soft)
- Sounds (Voices): 559
- Polyphony: 64-note
- Connectivity: MIDI IN/OUT, USB-to-Host
- Dimensions (Package): 159 x 65.5 x 45.5 cm
- Weight (Product): 68.7 kg
- Power: AC Adapter (specified voltage)
- Battery: 1 Lithium-metal battery (included, likely for internal memory/clock)
Warranty Information
Classic Cantabile products are designed and manufactured to high-quality standards. This product is covered by a limited warranty against defects in materials and workmanship. For specific warranty terms, duration, and claim procedures, please refer to the warranty card included with your purchase or contact your local Classic Cantabile dealer or customer support.
Customer Support
Should you encounter any issues or have questions regarding your Classic Cantabile DP-400F RH Digital Piano that are not addressed in this manual, please contact Classic Cantabile customer support. You can typically find contact information on the manufacturer's official website or through your retailer.
For service inquiries, please have your model number (DP-400F RH) and purchase date ready.