1. Introduction
Thank you for choosing the STRICH SDP-120 88-Key Weighted Keyboard and the STRICH SPT-20 Wireless Page Turner Pedal. This manual provides essential information for the safe and efficient operation of your new musical instruments. Please read this manual thoroughly before use and retain it for future reference.
2. Package Contents
Please ensure all items are present in your package:
- STRICH SDP-120 88-Key Weighted Keyboard
- Sustain Pedal for SDP-120
- Power Adapter for SDP-120
- Music Rest
- STRICH SPT-20 Wireless Page Turner Pedal
- USB Charging Cable for SPT-20
- User Manual (this document)
3. Setup
3.1 STRICH SDP-120 Keyboard Setup
- Placement: Place the keyboard on a stable, flat surface or a compatible keyboard stand.
- Power Connection: Connect the power adapter to the DC IN port on the rear of the keyboard, then plug it into a standard electrical outlet.
- Sustain Pedal: Connect the included sustain pedal to the 'Sustain Pedal 1/4' input on the rear panel.
- Audio Output (Optional): For external amplification or monitoring, connect headphones to the 'Headphone output' or an audio cable to the 'Audio input' for external speakers.
- USB/MIDI Connection (Optional): For connecting to a computer or other MIDI devices, use the 'USB interface' or 'MIDI output' ports.

Image: Rear panel connections of the STRICH SDP-120 keyboard, illustrating the various input and output ports including power, USB, MIDI, headphone, and sustain pedal connections.
3.2 STRICH SPT-20 Wireless Page Turner Pedal Setup
- Charging: Before first use, charge the SPT-20 pedal using the provided USB cable. The LED indicator will show charging status.
- Power On: Press the 'POWER' button on the pedal to turn it on. The power indicator light will illuminate.
- Pairing: Activate Bluetooth on your device (iPad, iPhone, tablet, laptop, etc.). Search for 'SPT-20' in the Bluetooth settings and select it to pair.
- Mode Selection: The SPT-20 offers five page turning modes. Select the appropriate mode for your application using the mode selection buttons (1-5). Refer to Section 4.2 for detailed mode descriptions.

Image: A musician playing the STRICH SDP-120 keyboard while using the SPT-20 wireless page turner pedal to control sheet music displayed on an iPad, demonstrating wireless connectivity.
4. Operating Instructions
4.1 STRICH SDP-120 Keyboard Operation
- Power On/Off: Use the 'On/off button' located on the rear panel to power the keyboard on or off.
- Weighted Keys: The SDP-120 features a fully-weighted keyboard design that simulates the feel of a grand piano, offering adjustable touch response for dynamic playing.
- Sound Library: Explore the extensive sound library with 900 tones, 700 rhythms, and 110 demo songs. Use the control panel buttons to navigate and select desired sounds and rhythms.
- Speakers: The keyboard is equipped with 2x15W built-in speakers for rich timbre performance.
- Polyphony: Enjoy 256 max polyphony, allowing for complex musical passages without note drop-out.

Image: A cutaway view of the STRICH SDP-120 keyboard's weighted key mechanism, highlighting the adjustable touch response and the quality of the key materials for an authentic playing experience.

Image: A close-up of the STRICH SDP-120 keyboard's integrated speaker, with text overlays indicating its 2x15W powerful output and 256-bit polyphony for rich timbre performance.

Image: A full overhead view of the STRICH SDP-120 weighted digital piano, emphasizing its sleek design, premium matte materials, and its portable weight of 9.3kg (20.5lb).
4.2 STRICH SPT-20 Wireless Page Turner Pedal Operation
- Wireless Range: The pedal offers a wireless range of up to 33 feet (10 meters), allowing for flexible placement.
- Five Page Turning Modes: The SPT-20 features five distinct modes for versatile control. Use the mode selection buttons (1-5) to switch between them. The modes include:
- Mode 1: Page Up and Down
- Mode 2: Arrow Left and Right
- Mode 3: Arrow Up and Down
- Mode 4: Left and Right Mouse Buttons
- Mode 5: Space and Enter
- Repeat Button: Activate the 'REPEAT' switch to enable continuous scrolling of lyrics and music sheets, or to control multimedia playback on your device.
- Hands-Free Control: The foot-controlled design frees your hands, ideal for performances, teaching, and reading on various devices.
- Compatibility: The SPT-20 is compatible with iOS, Android, and Windows systems, supporting devices like iPads, iPhones, tablets, and laptops.

Image: A detailed view of the STRICH SPT-20 wireless page turner pedal's control interface, illustrating the five mode selection buttons, repeat switch, and power controls.

Image: A visual representation of the STRICH SPT-20 wireless page turner pedal's broad compatibility, showing it adapts to multiple platforms like iOS, Android, and Windows, and various devices such as phones, tablets, and PCs.

Image: The STRICH SPT-20 wireless page turner pedal positioned in the foreground during a live musical performance, highlighting its new silent design suitable for concert halls and orchestras.
5. Maintenance
- Cleaning: Use a soft, dry cloth to clean the surfaces of both the keyboard and the page turner pedal. Do not use abrasive cleaners, waxes, or solvents.
- Storage: When not in use, store the instruments in a cool, dry place away from direct sunlight, extreme temperatures, and high humidity.
- Handling: Avoid dropping or subjecting the instruments to strong impacts.
- Power Off: Always power off the keyboard and page turner when not in use to conserve energy and prolong battery life for the pedal.
6. Troubleshooting
6.1 Keyboard Troubleshooting
- No Sound:
- Ensure the power adapter is securely connected and the keyboard is powered on.
- Check the volume level.
- If headphones are connected, disconnect them to check internal speakers.
- Keys Not Responding:
- Restart the keyboard.
- Ensure no foreign objects are lodged under the keys.
6.2 Page Turner Pedal Troubleshooting
- Not Connecting:
- Ensure the pedal is charged and powered on.
- Verify Bluetooth is enabled on your device and the pedal is in pairing mode.
- Try unpairing and re-pairing the device.
- Ensure the pedal is within the 33-foot (10-meter) wireless range.
- Incorrect Function:
- Check that the correct page turning mode (1-5) is selected for your application.
- Ensure the 'REPEAT' switch is in the desired position.
7. Specifications
7.1 STRICH SDP-120 Keyboard
- Keys: 88, Fully-Weighted, Hammer-Action
- Speakers: 2 x 15W Built-in
- Polyphony: 256 Max
- Tones: 900
- Rhythms: 700
- Demo Songs: 110
- Connectivity: Wireless MIDI, USB-MIDI, MIDI In/Out, Audio Input, Headphone Output, Sustain Pedal Input
- Weight: 9.3 KG (20.5 LB)
7.2 STRICH SPT-20 Wireless Page Turner Pedal
- Connectivity: Wireless (Bluetooth)
- Wireless Range: 33 feet / 10 meters
- Modes: 5 Page Turning Modes (Page Up/Down, Arrow Left/Right, Arrow Up/Down, Left/Right Mouse, Space/Enter)
- Features: Repeat Button, Anti-slip Design, Quiet Operation
- Compatibility: iOS, Android, Windows (iPad, iPhone, Tablet, Laptop, PC)
8. Warranty and Support
STRICH products are designed for reliability and performance. For warranty information, please refer to the warranty card included with your purchase or visit the official STRICH website. For technical support, troubleshooting assistance, or service inquiries, please contact STRICH customer service through the contact information provided on our website or your purchase documentation.





