Clavinova CLP-645 - Piano YAMAHA - Free user manual and instructions
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| Product Type | Digital Piano |
| Brand | Yamaha |
| Model | Clavinova CLP-645 |
| Keyboard Action | GrandTouch™ keyboard with synthetic ivory keytops |
| Sound Engine | Yamaha CFX Grand Piano sound engine |
| Polyphony | 256 notes |
| Number of Voices | 36 internal voices |
| Bluetooth | Bluetooth Audio and MIDI |
| Connectivity | USB to Host, USB to Device, MIDI In/Out, Audio In/Out |
| Speakers | Stereo speakers (40W total output) |
| Dimensions (W x D x H) | 1350 x 440 x 920 mm |
| Weight | 52 kg (115 lbs) |
| Power Consumption | 20 W (with headphones), 25 W (with speakers) |
| Power Supply | AC adapter (included) |
| Maintenance | Clean with a dry, soft cloth; avoid liquids |
| Safety | Use only the supplied AC adapter; do not disassemble |
| Spare Parts & Repairability | Contact Yamaha authorized service center |
| Included Accessories | Power cord, music rest, owner’s manual |
| Warranty | Limited warranty (check local regulations) |
Frequently Asked Questions - Clavinova CLP-645 YAMAHA
How do I connect my Clavinova CLP-645 to a mobile app?
Use Bluetooth MIDI: go to Bluetooth settings on your device, pair with the piano, and open compatible apps like Yamaha Smart Pianist.
How can I record my performance?
Press the REC button (if available) or use the built-in MIDI recorder. Alternatively, connect to a computer via USB and use DAW software.
How do I adjust the touch sensitivity of the keyboard?
Access the Function menu and select Touch Sensitivity. Choose from settings like Soft, Medium, Hard, or Fixed.
Can I use the piano without plugging it in?
No, the CLP-645 requires an AC power source. It does not have batteries.
How do I clean the keys?
Use a slightly damp, soft cloth (water only) and dry immediately. Avoid chemical cleaners or excessive moisture.
How do I transpose the keyboard?
Press and hold the Transpose button and use the keys to set the desired interval (e.g., -6 to +6 semitones).
How do I restore factory settings?
Turn off the piano. Hold down the Highest White Key (C7) while turning the power on until the screen shows factory reset confirmation.
What headphones are compatible?
Standard 1/4" (6.35 mm) stereo headphones. Use low-impedance models for best volume.
How do I connect to an external amplifier?
Connect from the Audio Out jacks (L/Mono, R) on the back panel to your amplifier using standard audio cables.
How do I update the firmware?
Download the latest firmware from the Yamaha website, transfer it to a USB stick, insert into the USB to Device port, and follow the update procedure in the manual.
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USER MANUAL Clavinova CLP-645 YAMAHA
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Product information
Brand : YAMAHA
Model : Clavinova CLP-645
Category : Piano