1. Introduction
Thank you for purchasing the Cheerlux C6 HD Mini Portable LED Projector. This compact and versatile projector is designed for home theater, gaming, and various multimedia applications. With its LED light source and multiple input options, it provides an immersive viewing experience. Please read this manual thoroughly before operating the device to ensure proper use and maintenance.
This manual provides essential information on setting up, operating, and maintaining your Cheerlux C6 projector.
2. Safety Information
Please observe the following safety precautions to prevent damage to the projector and ensure your safety:
- Power Supply: Use only the specified power adapter. Ensure the voltage matches the projector's requirements (AC 90-240V, 50-60Hz).
- Ventilation: Do not block the ventilation openings. Ensure adequate airflow around the projector to prevent overheating.
- Heat: The projector may become warm during operation. This is normal. Avoid touching hot surfaces.
- Eye Safety: Do not look directly into the projector lens when the lamp is on. The bright light can cause eye damage.
- Liquid Exposure: Do not expose the projector to rain, moisture, or any liquids.
- Cleaning: Disconnect the power before cleaning. Use a soft, dry cloth. Do not use liquid or aerosol cleaners.
- Placement: Place the projector on a stable, flat surface. Avoid placing it in direct sunlight or near heat sources.
- Servicing: Do not attempt to repair the projector yourself. Refer all servicing to qualified service personnel.
3. Package Contents
Verify that all items are present in the package:
- Cheerlux C6 Projector
- Power Cable
- Remote Control
- AV Cable (3-in-1)
- User Manual (this document)

Figure 3.1: The Cheerlux C6 projector packaging box, indicating the product and its portable nature.
4. Product Features
The Cheerlux C6 projector offers a range of features for an enhanced viewing experience:
- Compact and Portable Design: Lightweight (2.07lb) and mini size (8.0in x 6.1in x 3.3in) for easy transport.
- Native Resolution: True native resolution of 800x480 pixels, supporting up to 1080p.
- Brightness: 1200 Lumens brightness for clear images.
- Long Lamp Life: LED lamp with an impressive life of up to 50,000 hours.
- Multiple Connectivity Options: HDMI, USB 2.0, VGA, Composite A/V, Analog TV, and 3.5mm Stereo Jack.
- Built-in Speaker: Integrated speaker for audio playback.
- Multimedia Playback: Directly play movies, videos, music, and view images from a USB flash drive.
- Keystone Correction: Manual ±15° digital keystone correction for image adjustment.
5. Product Diagram and Components
Familiarize yourself with the different parts of your Cheerlux C6 projector.

Figure 5.1: Front view of the Cheerlux C6 projector, highlighting the lens and front panel design.

Figure 5.2: The Cheerlux C6 projector in black, shown with its remote control and a colorful light beam emanating from the lens, indicating active projection.

Figure 5.3: Rear view of the Cheerlux C6 projector, displaying various input and output ports including USB, HDMI, VGA, AV, and the power input.

Figure 5.4: A hand holding the Cheerlux C6 projector, demonstrating its compact and portable size.
6. Setup
Follow these steps to set up your projector:
- Placement: Place the projector on a stable, flat surface. Ensure there is enough space around the projector for proper ventilation. The ideal projection distance is between 1 to 4 meters, yielding a screen size of 25 to 100 inches.
- Power Connection: Connect the power cable to the projector's power input and then plug it into a wall outlet.
- Connect Input Source:
- HDMI: Connect an HDMI cable from your device (e.g., laptop, game console) to the HDMI port on the projector.
- VGA: Connect a VGA cable from your computer to the VGA port.
- AV: Use the included 3-in-1 AV cable to connect to devices with RCA outputs.
- USB: Insert a USB flash drive into the USB port for direct media playback.
- TV: Connect an antenna to the TV input for analog TV channels.
- Power On: Press the power button on the projector or the remote control to turn on the device.
- Focus Adjustment: Rotate the focus ring on the lens until the projected image is clear and sharp.
- Keystone Correction: If the image appears trapezoidal, adjust the keystone correction dial (±15°) until the image is rectangular.
7. Operating
This section details the basic operation of your Cheerlux C6 projector.
7.1. Power On/Off
- To turn on: Press the Power button on the projector or remote control.
- To turn off: Press the Power button again. Confirm shutdown if prompted.
7.2. Input Source Selection
After powering on, select your desired input source:
- Press the Source button on the remote control or projector.
- Use the arrow keys to navigate through input options (HDMI, VGA, AV, USB, TV).
- Press OK to confirm your selection.
7.3. Menu Navigation
Use the remote control to access and navigate the projector's menu:
- Press the Menu button to open the main menu.
- Use the Up/Down arrow keys to select menu categories (e.g., Picture, Sound, Time, Option).
- Use the Left/Right arrow keys to adjust settings within a selected category.
- Press OK to confirm changes or enter sub-menus.
- Press Exit or Menu again to close the menu.
7.4. Multimedia Playback (USB)
To play media from a USB flash drive:
- Insert your USB flash drive into the USB port.
- Select "USB" as the input source.
- The projector will display a media browser. Select the type of media you wish to play (Movie, Music, Photo, Text).
- Navigate through your files using the arrow keys and press OK to open or play a file.
Supported formats include: Video (MP4, H.264, FLV, RMVB, RM, MPG, MPEG, DAT, VOB, MOV, AVI), Audio (CD, WAV, WMA, MP3), Picture (JPG, PNG, GIF, BMP, JPEG).
8. Maintenance
Proper maintenance ensures the longevity and optimal performance of your projector.
- Lens Cleaning: Use a soft, lint-free cloth specifically designed for optical lenses to gently wipe the projector lens. Do not use abrasive cleaners or excessive force.
- Ventilation Ports: Regularly check and clean the ventilation ports to prevent dust buildup, which can lead to overheating. Use a soft brush or compressed air to remove dust.
- General Cleaning: Wipe the exterior of the projector with a soft, dry cloth. Avoid using harsh chemicals.
- Storage: When not in use for extended periods, store the projector in a cool, dry place, away from direct sunlight and extreme temperatures.
- Lamp Life: The LED lamp has a life of approximately 50,000 hours, meaning it typically does not require replacement during the product's lifespan under normal usage.
9. Troubleshooting
If you encounter issues with your projector, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No image/Blue screen |
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| Image is blurry |
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| Image is trapezoidal |
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| No sound |
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| Projector overheats and shuts down |
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10. Specifications
Detailed technical specifications for the Cheerlux C6 projector:
| Brand | LightInTheBox (Cheerlux) |
| Model | C6 |
| Projection Technology | LCD |
| Native Resolution | 800x480 |
| Supported Resolution | 720P (1280x720), XGA (1024x768), SVGA (800x600), WXSGA+ (1366x768), WUXGA (1920x1200), 1080P (1920x1080), WXGA (1280x800) |
| Brightness | 1200 Lumens (Brightness Range: 1000 to 1999 Lumens) |
| Contrast Ratio | Approx. 41.67:1 |
| Aspect Ratio | 4:3 / 16:9 (switch freely) |
| Projection Screen Size | 25''-100'' |
| Projection Distance | 1-4m |
| Lamp Type | LED |
| Lamp Life | 50,000 hours |
| Digital Keystone Correction | ±15° |
| Connectors | 3.5mm Stereo Jack, TV, HDMI Input, USB, VGA Port, 3-in-1 AV In |
| Speakers | Built-in |
| Input Voltage | AC 90-240V, 50-60Hz |
| Dimensions (cm) | 20.45 x 15.7 x 8.5 cm (8.05 x 6.18 x 3.35 inches) |
| Net Weight | 0.94 kg (2.07 lbs) |
11. Warranty and Support
For warranty information and technical support, please contact the manufacturer or your point of purchase.
- Manufacturer: LightInTheBox
- Refer to your purchase documentation for specific warranty terms and conditions.
- For further assistance, visit the official LightInTheBox website or contact their customer service.





