Product Overview
The VIVIBRIGHT f40 is a Native 1080P Full HD Home Theater Projector designed for a superior viewing experience. It features a high brightness LED light source and offers a large display size, making it suitable for various entertainment and presentation needs.

Image: VIVIBRIGHT f40 Projector, remote control, and included carrying bag.
Key Features:
- Native 1080P Full HD Resolution (1920 x 1080)
- 4200 White LED Light Lumens for bright images
- Up to 300-inch display size
- 15000:1 Contrast Ratio
- HiFi Class Audio with SPDIF output and dual 10W built-in stereo speakers
- Multiple connectivity options: HDMI, USB, VGA, AV
- Long-lasting LED lamp life of over 50,000 hours

Image: Visual comparison illustrating the superior clarity and contrast of 1080P native resolution and 15000:1 contrast ratio, along with 4500 lumens of white LED light, compared to 720P projectors.
Setup Guide
Unpacking and Placement:
- Carefully remove the projector and all accessories from the packaging.
- Place the projector on a stable, flat surface. Ensure adequate ventilation around the unit.
- Position the projector at an appropriate distance from the projection surface (wall or screen) to achieve the desired screen size. Refer to the "Projection Distance and Screen Size" section for details.

Image: Diagram illustrating the optimal projection range, showing distances for screen sizes from 60 inches (1.8m) to 300 inches (9.1m). It also highlights the dual built-in stereo speakers and SPDIF output for a HiFi audio experience.
Connecting Power:
- Connect the power cord to the projector's AC input port.
- Plug the other end of the power cord into a grounded electrical outlet.
Connecting Devices:
The projector supports various input sources. Identify the appropriate port for your device.

Image: Rear view of the VIVIBRIGHT f40 projector, displaying its connectivity panel with ports for HDMI, USB, VGA, and audio output, along with the power input and control buttons.
- HDMI: Connect your TV Stick, PS4, Xbox, or other HDMI-enabled devices using an HDMI cable.
- USB: Insert USB drives for media playback.
- VGA: Connect to computers or laptops via a VGA cable.
- AV: Use the AV port for older devices.
- SPDIF: For enhanced audio, connect to an external sound system using the SPDIF optical output.
Operating Instructions
Power On/Off:
- Press the power button on the projector or the remote control to turn the unit on.
- Press the power button again to turn off the projector. Allow the fan to run briefly for cooling before disconnecting power.
Focus and Keystone Correction:
- Adjust the focus ring on the lens until the projected image is clear.
- Use the keystone correction feature (manual or digital, depending on model) to correct trapezoidal distortion if the projector is not perfectly perpendicular to the screen.
Input Source Selection:
- Press the "Source" button on the remote control or projector to cycle through available input sources (HDMI1, HDMI2, USB, VGA, AV).
- Select the desired input source corresponding to your connected device.
Audio Settings:
- Adjust volume using the remote control.
- If using SPDIF output, ensure your external audio system is properly connected and selected as the audio source.
- Important Note: This projector does not support Dolby Digital audio. If you experience no sound, please disable Dolby Digital output on your connected device (e.g., TV Stick, Blu-ray player).
Maintenance
Cleaning the Lens:
- Use a soft, lint-free cloth specifically designed for optical lenses.
- Gently wipe the lens surface to remove dust or smudges. Avoid abrasive materials or harsh chemicals.
Cleaning the Projector Body:
- Wipe the exterior of the projector with a soft, dry cloth.
- Do not use liquid cleaners or sprays directly on the projector.
Ventilation:
- Ensure that the ventilation vents are not blocked. Blocked vents can lead to overheating and affect projector performance and lifespan.
- Regularly check for dust accumulation in the vents and gently clean if necessary.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No image projected |
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| No sound |
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| Blurred image |
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| Projector overheats and shuts down |
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Specifications
| Feature | Detail |
|---|---|
| Model | f40 |
| Display Technology | LCD |
| Native Resolution | 1920 x 1080 (Full HD) |
| Brightness | 4200 White LED Light Lumens |
| Contrast Ratio | 15000:1 |
| Aspect Ratio | 16:9 (Native), 4:3 (Compatible) |
| Projection Size | Up to 300 inches |
| Lamp Life | Over 50,000 hours (LED) |
| Connectivity | 2x HDMI, 2x USB, VGA, AV, SPDIF Audio Out |
| Audio | Dual 10W Stereo Chamber Speakers |
| Power Source | AC |
| Dimensions (L x W x H) | 29.46 x 24.38 x 8.89 cm (11.6 x 9.6 x 3.5 inches) |
| Weight | 2.68 kg (5.9 lbs) |
Warranty and Support
The VIVIBRIGHT f40 Projector comes with a 1-year warranty from the date of purchase.
For technical assistance, troubleshooting, or warranty claims, please contact VIVIBRIGHT customer service. We offer 24/7 customer support to assist you with any inquiries.
Please retain your proof of purchase for warranty validation.




