GOWENIC 4K Mini Projector User Manual

1. Introduction

This manual provides essential information for the safe and efficient operation of your GOWENIC 4K Mini Projector, model GOWENICmhut7de3y4-13. Please read this manual thoroughly before using the projector and retain it for future reference.

Image 1.1: Front view of the GOWENIC 4K Mini Projector. The projector is white with a light brown handle on top, featuring a large lens on the front face and ventilation grilles on the side.

2. Safety Information

• Power Supply: Use only the provided power adapter. Ensure the voltage matches the specifications (100-240V).
• Ventilation: Do not block ventilation openings. Ensure adequate airflow around the projector to prevent overheating.
• Moisture: Keep the projector away from water or other liquids. Do not operate in high humidity environments.
• Cleaning: Disconnect power before cleaning. Use a soft, dry cloth. Do not use liquid or aerosol cleaners.
• Lens Care: Avoid touching the projector lens directly. Use a lens cleaning cloth if necessary.
• Eye Safety: Do not look directly into the projector lens when the lamp is on, as the bright light can cause eye damage.
• Placement: Place the projector on a stable, level surface. Avoid placing it in direct sunlight or near heat sources.

3. Package Contents

Verify that all items are present in the package:

• 1 x GOWENIC Smart 4K Mini Projector
• 1 x Remote Control
• 1 x Power Adapter Cord (US Plug)
• 1 x User Manual (this document)

Image 3.1: The GOWENIC Mini Projector shown alongside its remote control and power adapter cord.

4. Product Overview

4.1. Projector Components

Image 4.1: Angled view of the projector, highlighting the top control panel and focus wheel.

• Projection Lens: Emits the image.
• Focus Wheel: Adjusts image sharpness manually.
• Top Control Panel: Power button, navigation buttons (up, down, left, right, OK), back button, source button.
• Infrared Receiver: Receives signals from the remote control.
• Ventilation Grilles: For heat dissipation.
• Handle: For portability.

4.2. Rear Panel Connections

Image 4.2: Diagram of the rear panel, showing various input and output ports.

• IR (Infrared Ray): Additional infrared receiver.
• TF (Memory Card Slot): For inserting a MicroSD card (up to 128GB).
• USB: For connecting USB storage devices.
• HD (HD Multimedia Interface): For connecting devices via HDMI cable.
• AV: For connecting analog audio/video devices.
• Headset: 3.5mm audio output for headphones or external speakers.
• Power Input: For connecting the power adapter.

5. Setup

5.1. Power Connection

1. Connect the power adapter cord to the Power Input port on the rear of the projector.
2. Plug the other end of the power adapter into a suitable electrical outlet (100-240V).
3. The projector will enter standby mode.

Image 5.1: Close-up view of the power input port located on the rear of the projector.

5.2. Placement

Place the projector on a stable, flat surface. Ensure there is sufficient space around the projector for proper ventilation. The optimal projection distance is between 1 to 4 meters, allowing for a screen size of 30 to 150 inches.

5.3. Focus Adjustment

After powering on the projector, rotate the Focus Wheel located on the top of the projector until the projected image appears clear and sharp. This is a manual adjustment.

Image 5.2: Top view of the projector, indicating the position of the manual focus wheel.

5.4. Keystone Correction

The projector features 4-point 4D electronic keystone correction. This function automatically adjusts the image to be rectangular even if the projector is placed at an angle. You can also manually adjust the vertical, horizontal, and four corner points through the projector's settings menu using the remote control.

Image 5.3: Illustration demonstrating how keystone correction transforms a trapezoidal image into a rectangular one.

6. Operating Instructions

6.1. Power On/Off

• Power On: Press the power button on the projector or the remote control.
• Power Off: Press the power button again. Confirm shutdown if prompted.

6.2. Remote Control

The included remote control allows for convenient operation of the projector. Insert 2x AAA batteries (not included) into the remote.

Image 6.1: The remote control for the GOWENIC Mini Projector. It features power, source, navigation, volume, settings, and home buttons.

6.3. Input Sources

Press the "Source" button on the remote or projector to select an input source.

• HD Multimedia Interface (HDMI): Connect external devices like laptops, gaming consoles, or Blu-ray players.
• USB: Play media files directly from a USB flash drive.
• Memory Card (TF): Play media files directly from a MicroSD card (up to 128GB).
• AV: Connect older devices with composite video and stereo audio outputs.
• Screen Mirroring (Wi-Fi): Mirror content from iOS and Android smartphones wirelessly.

6.4. Network Connection (Wi-Fi)

The projector supports 2.4G and 5G Wi-Fi.

1. Navigate to the "Settings" menu.
2. Select "Network" or "Wi-Fi Settings".
3. Choose your desired Wi-Fi network and enter the password.

6.5. Bluetooth Audio

Connect external Bluetooth speakers or headphones for enhanced audio. The projector features BT5.0.

1. Ensure your Bluetooth device is in pairing mode.
2. Navigate to the "Settings" menu on the projector.
3. Select "Bluetooth Settings".
4. Scan for available devices and select your device to pair.

Note: Bluetooth is for audio output only. It does not support smartphone screen synchronization.

6.6. Built-in TV System and Apps

The projector includes a built-in TV system (based on Android 7.1) allowing you to install and use streaming applications directly.

1. Ensure the projector is connected to Wi-Fi.
2. Access the home screen to find pre-installed apps or an app store.
3. Download and install your preferred streaming applications (e.g., Netflix, Prime Video, Hulu).
4. Log in to your accounts to access content.

Image 6.2: An example of a high-definition image projected onto a screen, demonstrating the visual quality and large screen size capability (up to 150 inches).

7. Maintenance

7.1. Cleaning

• Projector Casing: Wipe with a soft, dry cloth. Do not use abrasive cleaners or solvents.
• Lens: Use a professional lens cleaning cloth or air blower to remove dust. Avoid touching the lens surface with fingers.
• Ventilation Openings: Periodically check and gently clean any dust accumulation from the ventilation grilles using a soft brush or compressed air.

7.2. 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 to protect it from dust and impact.

8. Troubleshooting

9. Specifications

10. Warranty and Support

For warranty information and technical support, please refer to the documentation provided at the time of purchase or contact your retailer.