1. Introduction
Thank you for choosing the Cheerlux C9 Smart Projector. This manual is designed to help you understand the features, setup, operation, and maintenance of your new projector. Please read this manual thoroughly before using the product to ensure proper and safe operation. Keep this manual for future reference.
2. Safety Information
- Do not block the ventilation openings. Ensure adequate airflow around the projector.
- Do not look directly into the projector lens when the lamp is on. The bright light can cause eye damage.
- Keep the projector away from water or any liquids. Do not expose it to rain or moisture.
- Use only the power cord provided with the projector.
- Do not attempt to repair the projector yourself. Refer all servicing to qualified service personnel.
- Place the projector on a stable, level surface to prevent it from falling.
3. Package Contents
Please check the box for the following items:
- Cheerlux C9 Projector
- Power Cord
- AV Cable
- Remote Control
- Instruction Manual
- Foot Screw
- Installation and Operation Guide
4. Product Overview
Interface Ports:
- AV Port: For connecting older devices with composite video and stereo audio.
- Headphone Jack: For connecting external audio devices like headphones or speakers.
- HDMI x 2: High-Definition Multimedia Interface for connecting modern devices like laptops, gaming consoles, Blu-ray players.
- USB x 2: For connecting USB drives to play media files or power external devices.
- VGA Port: For connecting computers with a VGA output.
5. Setup
5.1 Placement
Place the projector on a flat, stable surface or mount it to a ceiling. Ensure the projector is positioned at an appropriate distance from the screen to achieve your desired screen size (1.65m to 9m for 50 to 300 inches).
5.2 Power Connection
Connect the provided power cord to the projector's power input and then plug the other end into a standard electrical outlet (100V-240V).
5.3 Input Connections
- HDMI: Connect an HDMI cable from your source device (e.g., laptop, game console) to one of the HDMI ports on the projector.
- USB: Insert a USB flash drive into a USB port to access media files.
- VGA: Connect a VGA cable from your computer to the VGA port.
- AV: Use the AV cable to connect to devices with composite video output.
5.4 Focus Adjustment
Turn the focus ring on the projector lens manually until the projected image is clear and sharp.
5.5 Keystone Correction
If the image appears trapezoidal, use the manual keystone correction dial or the electronic keystone correction feature in the menu to adjust the image shape until it is rectangular.
6. Operating
6.1 Power On/Off
Press the power button on the projector or the remote control to turn the projector on or off.
6.2 Menu Navigation
Use the navigation buttons on the projector or remote control to navigate through the on-screen menu. Press 'OK' or 'Enter' to confirm selections.
6.3 Input Source Selection
Press the 'Source' button on the remote control or projector to select the desired input source (HDMI1, HDMI2, USB1, USB2, VGA, AV).
6.4 Screen Mirroring (Same Screen Feature)
The projector supports Android and iOS screen mirroring via 2.4G Wi-Fi. Navigate to the 'Same Screen' option in the projector's menu and follow the on-screen instructions to connect your mobile device.
6.5 Audio Settings
Adjust volume levels and audio output options through the projector's audio settings menu. You can connect external speakers or headphones via the headphone jack.
6.6 Picture Settings
Customize picture settings such as brightness, contrast, color temperature, and aspect ratio within the picture settings menu to optimize your viewing experience.
7. Maintenance
7.1 Cleaning
- Lens: Use a soft, lint-free cloth specifically designed for optical lenses. Do not use abrasive cleaners.
- Casing: Wipe the projector casing with a soft, dry cloth. For stubborn dirt, use a slightly damp cloth and then dry thoroughly.
- Ventilation: Regularly check and clean the ventilation openings to prevent dust buildup, which can affect performance and lifespan.
7.2 Light Source Lifespan
The LED light source has a lifespan of approximately 50,000 hours. No lamp replacement is typically needed during the product's lifetime under normal usage.
7.3 Storage
When not in use for extended periods, store the projector in a cool, dry place, away from direct sunlight and extreme temperatures. It is recommended to use the original packaging for storage.
8. Troubleshooting
Common Issues and Solutions:
- No Picture:
- Ensure the projector is powered on.
- Check if the correct input source is selected.
- Verify that the video cable is securely connected to both the projector and the source device.
- Try a different video cable or source device.
- No Sound:
- Adjust the volume on the projector and the source device.
- Check audio cable connections.
- Ensure the projector's mute function is not activated.
- Blurry Image:
- Adjust the focus ring on the lens.
- Perform keystone correction if the image is distorted.
- Ensure the projection distance is within the recommended range.
- Remote Control Not Working:
- Check and replace the batteries in the remote control.
- Ensure there are no obstructions between the remote and the projector's IR receiver.
- Make sure you are within the 7-meter/45-degree range.
9. Specifications
| Feature | Specification |
|---|---|
| Display Technology | LCD |
| Native Resolution | 1920x1080P |
| Aspect Ratio | 16:9 |
| Brightness (Light Source) | 5000 LM |
| Average Brightness & Uniformity | 200LM / 280LM 65% |
| White Point Color Temperature | 11,000 K |
| Operating Noise | 42DB |
| Contrast Ratio | 1000:1 |
| Lens Type | F135 |
| Projection Ratio | 1.4 |
| Projection Size | 50 ~ 300 inches |
| Projection Distance | 1.65 ~ 9 M |
| Focus Method | Manual |
| Keystone Correction | Manual + Electronic |
| Interfaces | AV, Headphone, HDMI x 2, USB x 2, VGA |
| Remote Control Type | Infrared |
| Light Source Lifespan | 50,000 hours |
| Main Chip | V53 |
| Wi-Fi | 2.4G |
| Bluetooth | 4.2 |
| Supported Video Formats | MPEG1/MPEG2/H.263/H.264/AVS/VC1/MJPEG/RV30/RV40/HEVC |
| Supported Audio Formats | MPEG1/MPEG2/LPCM/MP3 |
| Supported Image Formats | JPEG/PNG/BMP |
| Multi-screen Interaction | Android screen mirroring, iOS screen mirroring |
| Working Power Consumption | 75 W (+/- 5 W) |
| Standby Power Consumption | 2 W |
| Operating Voltage | 100 V-240 V |
| Dimensions (L x W x H) | 222 mm x 165 mm x 87 mm |
| Menu Language | English, French, Spanish, German, Italian, Russian, Japanese, Korean, Vietnamese, Chinese, etc. |
10. Warranty and Support
Warranty Information:
This product comes with a 2-year commercial warranty provided through the collaboration between High-Tech Place and its suppliers. Please retain your proof of purchase for warranty claims.
Customer Support:
For any questions, technical assistance, or warranty inquiries, please contact your retailer or the authorized service center. Refer to your purchase documentation for specific contact details.





