1. Introduction
Thank you for choosing the M SANMERSEN 37-Key Portable Electronic Piano Keyboard. This manual provides essential information for the safe and effective use of your new instrument. Please read it thoroughly before operation and retain it for future reference.
This portable digital keyboard features 37 keys, 200 rhythms, 200 tones, and 50 demo songs. It includes a double loudspeaker, LED screen, and recording/playback functions, making it suitable for beginners to explore music.
2. Important Safety Information
- Do not expose the keyboard to water or moisture.
- Avoid placing the keyboard in direct sunlight or near heat sources.
- Use only the provided USB charging cable.
- Keep out of reach of small children to prevent choking hazards from small parts.
- Do not attempt to disassemble or repair the keyboard yourself. Contact customer support for assistance.
3. Package Contents
Please check that all items are present in your package:
- M SANMERSEN 37-Key Electronic Piano Keyboard (Model: RM)
- USB Charging Cable
- Microphone
- Audio Cable (Aux In)
- Instruction Manual
4. Product Overview
Familiarize yourself with the main components of your keyboard:
- Keys: 37 standard-sized keys for playing melodies and chords.
- LED Display: Shows current function, tone, rhythm, and song numbers.
- Speakers: Dual built-in speakers for stereo sound output.
- Control Panel: Buttons for various functions including Tone, Rhythm, Choice, Demo, Teach, Record, Play, Metronome, Tempo, Transpose, Sustain, Vibration, Echo, Fill-in, and Drum.
- Charging Port (USB-C): For recharging the internal battery.
- On/Off Switch: Powers the keyboard on or off.
- Headphone Jack (3.5mm): For private practice (headphones not included).
- Mic Jack: Connect the included microphone.
- Aux In Jack: For connecting external audio sources.
5. Setup
5.1 Initial Charging
Before first use, fully charge the keyboard's built-in 1200mA rechargeable battery. Connect the provided USB cable to the charging port on the side of the keyboard and to a DC 5V adapter (not included). The red indicator light will illuminate during charging and turn off when fully charged. A full charge takes approximately 4 hours and provides 6-8 hours of continuous play.
5.2 Powering On/Off
Locate the On/Off switch on the side panel. Slide it to the 'On' position to power on the keyboard. Slide it to 'Off' to power off.
5.3 Connecting Accessories
- Microphone: Plug the included microphone into the 'Mic Jack' to sing along while playing.
- Headphones: For private practice, plug 3.5mm headphones (not included) into the 'Phones Jack'. The internal speakers will automatically mute.
- External Audio: Connect an external audio device (e.g., MP3 player) to the 'Aux In Jack' using the provided audio cable to play along with music.
6. Operating Instructions
6.1 Adjusting Volume
After turning on the keyboard, press the 'VOLUME' button, then use the 'CHOICE +/-' buttons to adjust the desired volume level. The LED display will show the current volume setting.
6.2 Selecting Tones, Rhythms, and Demo Songs
The keyboard offers 200 tones, 200 rhythms, and 50 demo songs. Use the dedicated 'TONE', 'RHYTHM', or 'DEMO' buttons, followed by the 'CHOICE +/-' buttons, to select your desired option. The LED screen will display the selected number.
6.3 Teaching Function
The built-in teaching function provides guidance for beginners. Press the 'TEACH' button to activate. The LED display will provide feedback, making learning easier.
6.4 Recording and Playback
To record your playing, press the 'RECORD' button. Play your desired melody. To stop recording, press 'PLAY'. To listen to your recorded melody, press 'PLAY' again.
6.5 Advanced Functions
- Tempo Control: Adjust the speed of rhythms and demo songs using the 'TEMPO' button and 'CHOICE +/-'.
- Transpose: Change the key of the music using the 'TRANSPOSE' button and 'CHOICE +/-'.
- Sustain/Vibration/Echo: Apply effects to your playing by pressing the respective buttons.
- Fill-in: Add a short rhythmic fill to your rhythm patterns.
- Metronome: Use the 'METRONOME' button to activate a steady beat for practice.
7. Maintenance
- Cleaning: Wipe the keyboard with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Storage: Store the keyboard in a cool, dry place away from direct sunlight and extreme temperatures. If not in use for an extended period, ensure the battery is charged every 2 months.
- Battery Care: Avoid fully depleting the battery frequently to prolong its lifespan.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Keyboard does not power on. | Battery is depleted. | Charge the keyboard using the USB cable. |
| No sound from speakers. | Volume is too low or headphones are connected. | Increase volume using 'VOLUME' and 'CHOICE +/-'. Disconnect headphones if not needed. |
| Microphone not working. | Microphone not properly connected. | Ensure microphone is securely plugged into the 'Mic Jack'. |
| Keys are unresponsive. | Low battery or internal issue. | Charge the keyboard. If problem persists, contact customer support. |
9. Specifications
- Model: RM
- Number of Keys: 37
- Dimensions: 58.2cm x 20cm x 4.5cm (22.9in x 7.9in x 1.8in)
- Item Weight: 1.5 Kilograms (3.3 pounds)
- Battery: Built-in 1200mA Lithium Ion rechargeable battery
- Charging Time: Approximately 4 hours
- Play Time: 6-8 hours on a single charge
- Tones: 200
- Rhythms: 200
- Demo Songs: 50
- Connectivity: USB-C (charging), 3.5mm Headphone Jack, 3.5mm Mic Jack, 3.5mm Aux In Jack
- Manufacturer: M SANMERSEN
10. Warranty and Support
For warranty information or technical support, please refer to the contact details provided on the product packaging or visit the M SANMERSEN official website. Please have your model number (RM) and purchase date available when contacting support.