1. Introduction
This manual provides essential information for the proper setup, operation, and maintenance of your Audster FK-61 61-Key Digital Keyboard Electronic Piano. Please read this manual thoroughly before using the instrument to ensure safe and optimal performance.

Image: The Audster FK-61 61-Key Digital Keyboard Electronic Piano, showcasing its 61 standard piano keys, LED display, and control panel.
2. Safety Instructions
- Power Source: Use only the specified power adapter. Ensure the voltage matches the requirements of the keyboard.
- Water and Moisture: Do not expose the keyboard to water or excessive moisture. Avoid placing liquids near the instrument.
- Ventilation: Ensure proper ventilation around the keyboard. Do not block ventilation openings.
- Placement: Place the keyboard on a stable, flat surface. Avoid extreme temperatures, direct sunlight, or heat sources.
- Cleaning: Disconnect power before cleaning. Use a soft, dry cloth. Do not use liquid cleaners or aerosols.
- Servicing: Do not attempt to service the instrument yourself. Refer all servicing to qualified personnel.
3. Product Overview
The Audster FK-61 is a 61-key digital keyboard designed for various musical applications. It features an LED digital display for easy navigation and control over its numerous functions.
Key Features:
- 61 Standard Piano Keys
- LED Digital Display
- 100 Voices
- 100 Styles
- 8 Percussions / Keyboard Percussions
- 12 Demonstration Songs
- Vibrato / Sustain / Transpose / Metronome functions
- One Key / Guide / Program modes
- Single Finger / Fingered Chord / Manual Bass modes
- Sync / Fill-in / Intro & Ending functions
- Record & Playback capabilities
- Speaker Output (L/R) and Headphone Jack
4. Setup
4.1 Unpacking
Carefully remove the keyboard and all accessories from the packaging. Retain the packaging for future transport or storage.
4.2 Power Connection
- Ensure the keyboard's power switch is in the OFF position.
- Connect the provided AC power adapter to the DC IN jack on the rear of the keyboard.
- Plug the AC power adapter into a standard electrical outlet.
4.3 Headphone Connection
To practice privately, connect standard stereo headphones to the HEADPHONE jack. The internal speakers will automatically mute when headphones are connected.
4.4 External Speaker Connection
For amplified sound, connect the keyboard's SPEAKER OUTPUT (L/R) jacks to an external amplifier or powered speakers using appropriate audio cables.
5. Operating Instructions
5.1 Power On/Off
Press the POWER button to turn the keyboard ON. The LED display will illuminate. Press the POWER button again to turn the keyboard OFF.
5.2 Volume Adjustment
Use the VOLUME control knob or buttons to adjust the overall output level of the keyboard.
5.3 Selecting Voices (Tones)
The keyboard features 100 different voices. Use the VOICE selection buttons or number pad to choose a desired instrument sound. The selected voice number will appear on the LED display.
5.4 Selecting Styles (Rhythms)
There are 100 built-in styles (rhythms) available. Use the STYLE selection buttons or number pad to choose a rhythm. Press the START/STOP button to begin or end the rhythm playback.
5.5 Percussion
The keyboard includes 8 percussion sounds. These can be played directly from dedicated percussion pads or certain keys on the keyboard, depending on the selected mode.
5.6 Demonstration Songs
The keyboard has 12 demonstration songs. Press the DEMO button to cycle through and play these pre-recorded melodies.
5.7 Special Functions
- Vibrato: Adds a slight pitch variation to the sound.
- Sustain: Extends the decay of notes, similar to a piano's sustain pedal.
- Transpose: Shifts the pitch of the entire keyboard up or down in semitone steps.
- Metronome: Provides a steady click to assist with timing.
5.8 Learning Modes
- One Key: A learning mode where you play along with a song by pressing any key.
- Guide: Guides you through playing a song by indicating which keys to press.
- Program: Allows you to create and store a sequence of notes or rhythms.
5.9 Accompaniment Modes
- Single Finger Chord: Play chords by pressing a single key in the lower section of the keyboard.
- Fingered Chord: Play chords by pressing multiple keys in the lower section, recognizing standard chord voicings.
- Manual Bass: Allows manual control over the bass line during accompaniment.
5.10 Rhythm Control
- Sync: Starts the rhythm when you play a key or chord.
- Fill-in: Inserts a short rhythmic variation during rhythm playback.
- Intro & Ending: Plays an introductory or ending phrase for the selected style.
5.11 Record & Playback
The keyboard allows you to record your performances and play them back. Refer to the specific buttons labeled 'RECORD' and 'PLAYBACK' on the control panel for detailed operation.
6. Maintenance
6.1 Cleaning
Wipe the keyboard's surface with a soft, dry cloth. For stubborn dirt, slightly dampen the cloth with water and then wipe dry immediately. Do not use abrasive cleaners, waxes, or solvents.
6.2 Storage
When not in use for extended periods, store the keyboard in a cool, dry place away from direct sunlight and extreme temperatures. If possible, cover the keyboard to protect it from dust.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Power adapter not connected; Power outlet not working; Power switch off. | Ensure adapter is securely connected; Test outlet with another device; Turn power switch ON. |
| No sound | Volume too low; Headphones connected; External speakers not connected/powered. | Increase volume; Disconnect headphones if using internal speakers; Check external speaker connections and power. |
| Keys not responding | Keyboard in a specific learning mode; Malfunction. | Check learning mode settings; Power cycle the keyboard. If problem persists, contact support. |
8. Specifications
- Model: FK-61
- Brand: Audster
- Number of Keys: 61 Standard Piano Keys
- Display: LED Digital Display
- Voices: 100
- Styles: 100
- Percussions: 8
- Demonstration Songs: 12
- Connectivity: Auxiliary, Headphone Jack, Speaker Output (L/R)
- Item Weight: 10.48 pounds (4.75 kg)
- Package Dimensions: 37.5 x 14.5 x 6 inches (95.25 x 36.83 x 15.24 cm)
- UPC: 738676655339
9. Warranty and Support
For warranty information or technical support, please refer to the documentation included with your purchase or contact Audster customer service. Keep your proof of purchase for warranty claims.