1. Introduction
Thank you for purchasing the Gzunelic W2B Projector. This projector is designed to provide a high-quality visual experience for home theater, gaming, business presentations, and outdoor entertainment. It features Native 1080p resolution, 8500 Lumens brightness, an 8000:1 dynamic contrast ratio, and an LED lamp with a lifespan of up to 80,000 hours. Please read this manual thoroughly before operating the projector to ensure proper use and optimal performance.

Image 1.1: The Gzunelic W2B Projector highlighting its 8500 Lumens brightness, Native 1920x1080 resolution, 8000:1 contrast, and 80,000 hours lamp life.
2. Product Overview
Familiarize yourself with the components and controls of your Gzunelic W2B Projector.

Image 2.1: Front and side view of the Gzunelic W2B Projector, showing the lens and ventilation.
2.1. Physical Components
- Lens: Projects the image onto the screen.
- Focus Ring: Adjusts image sharpness.
- Keystone Correction: Corrects trapezoidal image distortion.
- Control Panel: Buttons for basic navigation and settings.
- Ventilation Grilles: Ensures proper airflow for cooling.
- Built-in Speakers: Dual 3W stereo speakers for audio output.

Image 2.2: The Gzunelic W2B Projector with its dual stereo speakers highlighted, providing full-range high-definition sound.
2.2. Input/Output Ports
The projector is equipped with various ports for connecting external devices.
- HDMI (x2): For high-definition video and audio input.
- USB: For connecting USB drives for media playback.
- VGA: For connecting computers or laptops.
- AV: For connecting older devices using composite video.
- 3.5mm Audio Out: For connecting external speakers or headphones.
- SD Slot: For connecting SD cards for media playback.

Image 2.3: Diagram illustrating the multiple connection options available on the Gzunelic W2B Projector, including HDMI, USB, VGA, AV, and audio ports.
2.3. Unboxing and Initial Look
Video 2.1: An unboxing video of the Gzunelic W2B Projector, showcasing its packaging and initial appearance.
3. Setup
Follow these steps for initial setup of your projector.
- Placement: Place the projector on a stable, flat surface. Ensure there is adequate ventilation around the unit. For optimal viewing, position the projector directly in front of your projection surface (screen or wall).
- Power Connection: Connect the provided power cord to the projector's power input and then to a power outlet.
- Power On: Press the power button on the projector or the remote control to turn on the unit.
- Focus Adjustment: Rotate the focus ring near the lens until the projected image appears clear and sharp.
- Keystone Correction: If the image appears trapezoidal (wider at the top or bottom), use the keystone correction dial to adjust it until the image is rectangular.

Image 3.1: Instructions for manual focus adjustment and keystone correction using the dials on the projector.
4. Operating Instructions
4.1. Connecting Devices
The Gzunelic W2B Projector supports a wide range of input sources.
- HDMI: Connect your TV box, Chromecast, Fire Stick, PC, laptop, or gaming console (Xbox, PS4) via an HDMI cable to one of the HDMI ports.
- USB: Insert a USB stick or hard disk into the USB port for direct media playback.
- VGA: Use a VGA cable to connect your PC or laptop.
- AV: Connect older devices like DVD players using the AV cable.
- Audio Out: Connect external speakers or headphones to the 3.5mm audio output for enhanced sound.
- Smartphone Mirroring: Connect with a Wi-Fi dongle or HDMI adapter (not included) to mirror content from your mobile device.
4.2. Source Selection
After connecting a device, press the 'Source' button on the remote control or projector to select the correct input source (e.g., HDMI1, HDMI2, USB, VGA, AV).
4.3. Picture and Sound Settings
Access the projector's menu to adjust various settings:
- Picture Mode: Select from preset modes (Standard, Dynamic, Soft, User) or customize brightness, contrast, color, and sharpness.
- Aspect Ratio: Adjust the image aspect ratio (e.g., 16:9, 4:3).
- Sound Mode: Choose audio presets or adjust bass and treble. The built-in SRS system enhances sound performance.

Image 4.1: The Gzunelic W2B Projector in various application settings, including home theater, gaming, business, and outdoor use.
5. 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. Avoid abrasive cleaners.
- Ventilation: Keep the ventilation grilles clear of dust and obstructions to prevent overheating. Regularly clean the grilles with a soft brush or vacuum cleaner.
- Storage: When not in use for extended periods, store the projector in a cool, dry place, ideally in its original packaging or a protective case.
- Power Off: Always power off the projector correctly by pressing the power button and allowing it to cool down before unplugging.
6. Troubleshooting
If you encounter issues with your projector, refer to the following common problems and solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| No picture | Incorrect input source selected, loose cable connection, device not powered on. |
|
| Blurry image | Focus not adjusted, keystone not corrected, projector too far/close. |
|
| No sound | Volume too low, mute enabled, incorrect audio output settings on source device. |
|
| Remote control not working | Dead batteries, obstruction, remote not pointed at IR receiver. |
|
| Dark spot on screen | Dust accumulation inside optical path, internal component issue. |
|
7. Specifications
Detailed technical specifications for the Gzunelic W2B Projector.
| Feature | Detail |
|---|---|
| Brand | Gzunelic |
| Model Number | W2B |
| Native Resolution | 1920 x 1080 (Full HD) |
| Brightness | 8500 Lumens |
| Dynamic Contrast Ratio | 8000:1 |
| LED Lamp Life | Up to 80,000 hours |
| Projection Size | 50" - 200" (optimal at 10 feet) |
| Connectivity Technology | HDMI (x2), USB, AV, VGA, SD Slot, 3.5mm Audio Port |
| Speakers | Built-in Dual 3W Stereo Speakers with SRS system |
| Item Weight | 4 pounds |
| Product Dimensions | 9.4 x 8.3 x 3.6 inches |
8. Warranty and Support
Gzunelic offers comprehensive support for your projector.
- Return Policy: 6 months return for full payment refund.
- Replacement Policy: 1-year free replacement.
- Extended Repair Warranty: Register your product within 7 days of receipt to activate a 3-year free repair service and receive a free exclusive gift.
- Customer Service: For any problems or questions, please feel free to contact Gzunelic customer support. Responses are typically provided within 24 hours.
- Repair Center: A dedicated repair center is located in Los Angeles, United States.