1. Introduction
This manual provides detailed instructions for the Casio WK-6600 76-Key Workstation Keyboard. The WK-6600 is designed to offer a comprehensive musical experience with a piano-style touch-response keyboard, advanced sound features, and versatile connectivity options. Please read this manual thoroughly to ensure proper use and to maximize your enjoyment of the instrument.
Key Features
- Song Sequencer with 16 tracks plus one system track
- 32-channel mixer for adjustments in volume, pan, reverb send, and more
- Rhythm Editor for blending instrument parts from multiple built-in rhythms
- Includes multiple digital effects such as reverb and chorus
- Equalizer incorporates five selectable frequency characteristics

Figure 1.1: Front view of the Casio WK-6600 76-Key Workstation Keyboard.
2. Setup
2.1 Unpacking
Carefully remove all components from the packaging. Ensure the following items are present:
- Casio WK-6600 Keyboard Unit
- Power Adapter
- Music Stand
- Instruction Manual (this document)
2.2 Powering On
The keyboard can be powered using the included power adapter or by batteries.
- Using the Power Adapter: Connect the power adapter to the DC 12V jack on the rear panel of the keyboard and then plug it into a standard wall outlet.
- Using Batteries: Open the battery compartment on the underside of the keyboard and insert 6 D-size batteries (not included), ensuring correct polarity.

Figure 2.1: The included power adapter for the WK-6600.
2.3 Connecting Accessories
Enhance your experience by connecting external devices:
- Headphones: Plug 1/4" headphones into the HEADPHONES jack for private practice.
- USB: Connect the keyboard to a computer or smart device using a USB cable for MIDI communication and data transfer.
- Sustain Pedal: A sustain pedal (not included) can be connected to the SUSTAIN jack for expressive playing.
3. Operating Your Keyboard
3.1 Basic Controls
- Power Button: Press to turn the keyboard ON or OFF.
- Master Volume: Use the master volume knob to adjust the overall output level of the keyboard.
- Backlit LCD Screen: The integrated backlit display shows current settings, tone names, rhythm information, and more.
3.2 Keyboard Features
- 76 Piano-Style Keys: The keyboard features 76 touch-response keys, allowing for dynamic expression based on how hard or soft you play.
- Pitch Bend Wheel: Use the pitch bend wheel located on the left side of the keyboard to smoothly alter the pitch of notes for expressive performance.

Figure 3.1: Detail of the WK-6600 keyboard keys and control panel.
3.3 Tones and Voices
The WK-6600 offers a vast library of sounds:
- Tone Selection: Access hundreds of editable tones, including 700 individual tones mentioned in the product description. The keyboard also features 820 onboard tones, including the new Live Concert Grand Piano sample, offering enhanced realism and expressiveness.
- Tone Editor: Customize existing tones to create your unique sounds.
- Super Articulation Lite Voices: Explore new Super Articulation Lite voices for realistic instrument nuances, such as guitar string slides or muted guitar sounds.
3.4 Digital Effects and Mixer
- Multiple Digital Effects: Apply effects such as reverb and chorus to your sounds.
- DSP (Digital Signal Processing): The powerful DSP allows for up to two digital signal processing effects to be applied simultaneously, enhancing sound quality.
- 32-Channel Mixer: Utilize the 32-channel mixer for precise adjustments in volume, pan, reverb send, and other parameters for each track.
3.5 Song Sequencer and Rhythm Editor
- 16-Track Song Sequencer: Record and compose your musical ideas using the 16-track song sequencer plus one system track.
- Rhythm Editor: Create custom rhythms by blending instrument parts from multiple built-in rhythms.
- Music Presets: Access various music presets for quick inspiration and accompaniment.
3.6 Performance Memory and Storage
- Performance Registration Memory: Store your preferred keyboard settings, including tones, rhythms, and effects, for instant recall during performances.
- SD Card Storage: Expand storage for songs and settings with an SD card (not included).
3.7 Advanced Operational Features
- Layering and Splitting: Layer multiple sounds to create rich textures or split the keyboard to play different instruments with each hand.
- Groove Creator: Engage with 35 groove patterns for electronic dance music creation, allowing you to mix and match musical sequences.
- Live Control Knobs: Adjust DSPs, cutoff, and resonance in real-time using the two live control knobs for dynamic sound manipulation.
- Quick Sampling: Capture and integrate your own unique sounds using the quick sampling feature with four sample slots. Sounds can be recorded via microphone or loaded from a USB drive.
- Microphone Input: Connect a microphone to sample external sounds or sing along. Reverb, chorus, and DSP effects can be applied to your voice.
- Recording: Record multi-track MIDI performances with the 6-track sequencer or digital audio directly to a USB stick for further editing.
- App Compatibility: Connect to Yamaha's Record & Share mobile app for video recording with pristine digital audio and easy sharing of your performances.
Video 3.1: A detailed review of the Casio WK-6600 keyboard's features and capabilities.
4. Maintenance
Proper maintenance ensures the longevity and optimal performance of your Casio WK-6600 keyboard.
- Cleaning: Use a soft, dry cloth to wipe the surface of the keyboard. For stubborn dirt, slightly dampen the cloth with water and a mild detergent, then wipe dry immediately. Avoid abrasive cleaners or solvents.
- Storage: Store the keyboard in a cool, dry place away from direct sunlight, extreme temperatures, and high humidity. If storing for an extended period, remove batteries to prevent leakage.
- Handling: Avoid dropping the keyboard or subjecting it to strong impacts. Do not place heavy objects on the keys or control panel.
5. Troubleshooting
If you encounter any issues with your WK-6600, refer to the following common troubleshooting steps:
- No Power:
- Ensure the power adapter is securely connected to both the keyboard and a working electrical outlet.
- If using batteries, check that they are correctly inserted and not depleted. Replace if necessary.
- No Sound:
- Check the Master Volume setting and ensure it is not set to minimum.
- If headphones are connected, disconnect them to check if sound is outputting from the built-in speakers.
- Verify that the selected tone is active and not muted.
- Keys Not Responding:
- Ensure the keyboard is powered on.
- If only certain keys are not responding, contact customer support.
- Distorted Sound:
- Reduce the Master Volume.
- Check connections to external amplification systems for proper levels.
For issues not covered here, please refer to the comprehensive user manual or contact Casio customer support.
6. Specifications
Detailed technical specifications for the Casio WK-6600:
| Feature | Specification |
|---|---|
| Number of Keys | 76 |
| Key Type | Piano-style, Touch-response |
| Dimensions (D x W x H) | 16.25"D x 47"W x 5.4"H |
| Item Weight | 24 Pounds |
| Power Source | USB (Power Adapter included) / 6 D batteries |
| Connectivity | USB (MIDI), 1/4" Headphone Jack |
| Model Name | 76 Note |
| Supported Software | Casio Music Creator 5 |
| Manufacturer | Casio Inc. |
| Color | Black |
| Material Type | Plastic |
| Wattage | 6 watts |
7. Warranty and Support
For warranty information, please refer to the documentation included with your product at the time of purchase. For technical support, troubleshooting assistance, or service inquiries, please contact Casio customer support through their official website or the contact information provided in your product's warranty card.
You can also visit the official Casio store for additional product information and resources: Casio Store





