Introduction
Thank you for purchasing the RadioShack K-09 54-Key Electric Piano. This manual provides essential information for the safe and efficient operation of your instrument. Please read it thoroughly before use and retain it for future reference.
Important Safety Instructions
- Power Source: Use only the specified power adapter. Ensure the voltage matches the requirements of the piano.
- Water and Moisture: Do not expose the instrument to water or excessive moisture. Avoid placing liquids on or near the piano.
- Ventilation: Do not block ventilation openings. Ensure adequate airflow around the instrument.
- Heat Sources: Keep the piano away from heat sources such as radiators, heat registers, stoves, or other heat-producing apparatus.
- Cleaning: Clean only with a dry cloth. Do not use liquid cleaners or aerosols.
- Servicing: Do not attempt to service this product yourself. Refer all servicing to qualified service personnel.
- Children: This product is suitable for beginners. Adult supervision is recommended for young children.
Package Contents
Verify that all items are present in the package:
- RadioShack K-09 54-Key Electric Piano
- Microphone
- Power Adapter
- Music Stand (detachable)
- Instruction Manual (this document)

Image: The RadioShack K-09 Electric Piano shown with its included microphone and power adapter, ready for setup.
Product Overview
Familiarize yourself with the main components and controls of your electric piano.

Image: A top-down view of the RadioShack K-09 Electric Piano, highlighting the 54 keys, integrated speakers, and the central control panel with various buttons and a digital display.
Key Components:
- 54 Keys: Standard piano keys for playing melodies and chords.
- Control Panel: Central area with buttons for selecting tones, rhythms, demo songs, recording, and other functions.
- Digital Display: Shows current settings, such as tone number, rhythm number, or tempo.
- Built-in Speakers: For audio output.
- Microphone Input (MIC): For connecting the included microphone.
- Headphone Output (OUT): For private practice.
- DC 9V Power Input: For connecting the power adapter.
- Music Stand: Detachable stand for holding sheet music.
Setup
- Unpacking: Carefully remove the electric piano and all accessories from the packaging.
- Placement: Place the piano on a stable, flat surface.
- Music Stand: Insert the detachable music stand into the designated slots on the top of the piano.
- Power Connection:
- Connect the power adapter to the DC 9V input port on the back of the piano.
- Plug the power adapter into a standard electrical outlet.
- Microphone Connection (Optional): If desired, plug the microphone into the MIC input port.
- Headphone Connection (Optional): For private practice, plug headphones into the OUT port. This will mute the built-in speakers.

Image: A close-up view of the rear panel of the electric piano, showing the 'MIC' input, 'OUT' (headphone) output, and 'DC 9V' power input ports.
Operating Instructions
1. Power On/Off
Press the POWER button to turn the piano on or off. The digital display will illuminate when powered on.
2. Volume Control
Use the VOLUME +/- buttons to adjust the overall sound level.
3. Selecting Tones (Instruments)
The piano includes 128 different tones. To select a tone:
- Press the TONE button.
- Use the number buttons (0-9) or the +/- buttons to select a tone number. The selected tone number will appear on the display.
- Play the keys to hear the selected instrument sound.
4. Selecting Rhythms
The piano features 128 rhythms. To select and play a rhythm:
- Press the RHYTHM button.
- Use the number buttons (0-9) or the +/- buttons to select a rhythm number.
- Press the START/STOP button to begin the rhythm.
- Use the TEMPO +/- buttons to adjust the rhythm speed.
- Press START/STOP again to stop the rhythm.
5. Playing Demo Songs
The piano has 30 built-in demo songs. To play a demo song:
- Press the DEMO SONG button.
- Use the number buttons (0-9) or the +/- buttons to select a song number.
- Press PLAY to start the selected demo song.
- Press PLAY again to stop the song.
6. Recording Function
You can record and play back your own compositions:
- Press the RECORD button. The display may show "REC" or a similar indicator.
- Play your desired melody on the keys.
- Press PLAY to stop recording and play back your recorded performance.
- To record a new piece, repeat the process. The previous recording will be overwritten.
7. Teaching Function
The piano includes a teaching function to assist with learning. Refer to the specific buttons labeled for teaching modes (e.g., ONE KEY, FOLLOW, ENSEMBLE) on the control panel. Each mode offers a different learning approach, typically guiding you through demo songs or exercises.
- One Key Mode: Allows you to play any key to advance the melody of a selected demo song.
- Follow Mode: The piano waits for you to play the correct note before proceeding with the song.
- Ensemble Mode: The piano plays the melody, and you play along with the accompaniment.
Consult the labels on your piano's control panel for exact button functions related to the teaching modes.
8. Metronome
To activate the metronome for timing practice:
- Press the METRONOME button.
- Use the TEMPO +/- buttons to adjust the metronome speed.
- Press METRONOME again to turn it off.
Maintenance
- Cleaning: Wipe the piano with a soft, dry cloth. Do not use abrasive cleaners, waxes, or solvents.
- Storage: When not in use, store the piano in a clean, dry place away from direct sunlight and extreme temperatures.
- Handling: Avoid dropping or subjecting the piano to strong impacts.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound from speakers. |
|
|
| Microphone not working. |
|
|
| Keys are unresponsive. |
|
|
Specifications
| Model Name | K-09 |
| Item Model Number | 100073813 |
| Number of Keys | 54 |
| Tones | 128 |
| Rhythms | 128 |
| Demo Songs | 30 |
| Connectivity | 3.5mm Jack (Microphone In, Headphone Out) |
| Power Source | Corded Electric (DC 9V) |
| Product Dimensions | 30 x 84 x 10 cm |
| Item Weight | 2.44 kg |
| Manufacturer | RadioShack |
| UPC | 191914006186 |
Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the official RadioShack website or contact their customer service directly. Keep your proof of purchase for warranty claims.
Online Support: Visit RadioShack Support





