DITONG HY300 Plus Projector User Manual

1. Introduction

The DITONG HY300 Plus is a versatile and portable smart projector designed for home cinema and entertainment. Featuring Android 11, dual-band WiFi 6, Bluetooth 5.0, and electronic focusing, it delivers a high-definition viewing experience with support for 4K video decoding and native 720P resolution. Its compact design and 180-degree rotation capability make it ideal for various projection scenarios, from a small room to an outdoor movie night.

Figure 1: Key Features of the HY300 Plus Projector

2. Safety Information

• Do not expose the projector to rain or moisture to prevent fire or electric shock.
• Do not open the casing. Refer all servicing to qualified service personnel.
• Ensure proper ventilation. Do not block ventilation openings.
• Use only the power adapter supplied with the projector.
• Avoid direct eye exposure to the projector lens when the lamp is on.
• Keep the projector away from heat sources and direct sunlight.

3. Package Contents

Please check that all items are present and in good condition:

• DITONG HY300 Plus Projector
• Remote Control
• Power Cord (specific plug type: US Plug)
• User Manual (this document)
• Protective Carrying Box (optional, depending on package)

Figure 2: Standard Package Contents

4. Product Overview

4.1 Physical Features

The HY300 Plus projector features a compact, portable design, making it easy to carry and set up in various locations. It includes a stand that allows for 180-degree rotation, enabling projection onto walls, ceilings, or floors.

Figure 3: Portable Size of the Projector

4.2 Ports and Controls

The projector is equipped with essential input/output ports for versatile connectivity:

• HDMI: For connecting to laptops, gaming consoles, and other HDMI-enabled devices.
• USB: For playing media directly from USB drives.
• 3.5mm Earphone Out: For connecting external speakers or headphones.
• POWER: For connecting the AC power adapter.

Controls are primarily managed via the included remote control, which allows for electronic focusing and navigation of the Android system.

Figure 4: Projector Rear Ports

5. Setup

5.1 Initial Placement

Place the projector on a stable, flat surface. The flexible stand allows you to adjust the projection angle up to 180 degrees. For best results, ensure the projector lens is perpendicular to your projection surface.

5.2 Power Connection

1. Connect the power cord to the POWER port on the projector.
2. Plug the other end of the power cord into a suitable AC power outlet (AC90-260V/50-60MHZ, 110-220V).
3. Press the power button on the projector or the remote control to turn it on.

5.3 Focus Adjustment

The HY300 Plus features electronic focusing for sharp images. Use the focus buttons on the remote control to adjust the image clarity until it is crisp and clear.

Figure 5: Adjusting Focus with Remote Control

5.4 Keystone Correction

The projector supports automatic keystone correction (up and down) and 4P/4D keystone correction (up to ±45%) to adjust for distorted images when the projector is not perfectly aligned with the screen. This ensures a rectangular image even when projected at an angle.

Figure 6: Automatic Keystone Correction

6. Operating

6.1 Android 11 System & Apps

The HY300 Plus runs on Android 11, providing access to a wide range of applications from the app store. Navigate the interface using the remote control to browse, download, and use your favorite streaming services, games, and other apps.

Figure 7: Android 11 System Interface

6.2 WiFi Connectivity

Connect the projector to your home network using its dual-band WiFi (2.4G & 5G) capabilities for seamless online streaming and app usage.

1. Go to 'Settings' on the Android interface.
2. Select 'Network & Internet' and then 'Wi-Fi'.
3. Choose your desired network and enter the password if prompted.

Figure 8: Dual-band WiFi and Bluetooth Connectivity

6.3 Bluetooth Connectivity

The projector features Bluetooth 5.0, allowing you to connect external audio devices like speakers or headphones, as well as input devices such as keyboards and mice for enhanced control.

1. Go to 'Settings' and select 'Connected devices'.
2. Turn on Bluetooth and search for available devices.
3. Select your device from the list to pair.

Figure 9: Bluetooth 5.0 Connectivity Options

6.4 Screen Mirroring

Mirror your smartphone or tablet screen wirelessly to the projector via WiFi for easy sharing of content.

1. Ensure your projector and mobile device are connected to the same WiFi network.
2. On the projector, open the screen mirroring application (e.g., AirScreen for iOS, Miracast for Android).
3. On your mobile device, activate screen mirroring/casting and select the projector from the list of available devices.

Figure 10: Convenient Screen Mirroring

6.5 Media Playback

The projector supports various image and video file formats, including JPG, BMP, PNG for images, and full-format decoding for videos (HEVC/VP9/AVS2/AVC 4K@60fps, MPEG1/MPEG2/AV1 1080p/60fps). You can play media directly from a USB drive or through installed applications.

7. Maintenance

7.1 Lens Care

The HY300 Plus comes with a lens protection cover to prevent dust from entering and damaging the lens. Always place the cover on the lens when the projector is not in use.

Figure 11: Lens Protection Cover

7.2 Cleaning

• Exterior: Use a soft, dry cloth to wipe the projector's exterior. Do not use abrasive cleaners or solvents.
• Lens: Use a lens cleaning cloth or specialized lens cleaning solution to gently clean the lens. Avoid touching the lens with your fingers.
• Ventilation: Ensure the ventilation openings are clear of dust and debris to prevent overheating. Use a soft brush or compressed air if necessary.

8. Troubleshooting

• No image:
  • Check if the power cord is securely connected and the projector is turned on.
  • Verify the input source (HDMI, USB) is correctly selected.
  • Ensure the lens cap is removed.
• Blurry image:
  • Adjust the focus using the remote control's electronic focus buttons.
  • Ensure the projection distance is within the recommended range (1.2-4M).
• Distorted image (trapezoid shape):
  • Use the keystone correction feature to adjust the image geometry. The projector supports auto keystone correction.
• No sound:
  • Check the volume settings on the projector and any connected external audio devices.
  • Ensure external speakers or headphones are properly connected via the 3.5mm jack or Bluetooth.
  • Verify the audio output settings in the Android system.
• WiFi/Bluetooth connectivity issues:
  • Ensure the projector is within range of your WiFi router or Bluetooth device.
  • Restart the projector and your network devices.
  • Check WiFi password and Bluetooth pairing status.

9. Specifications

9.1 General Specifications

Note: Specifications are subject to change without notice.

9.2 Model Comparison

Figure 12: Comparison of HY300 Series Projectors

10. User Tips

• Optimal Projection Surface: For the best image quality, project onto a smooth, light-colored wall or a dedicated projector screen. Rough or dark surfaces can significantly degrade picture clarity and color accuracy.
• Software Updates: Regularly check for and install updates for the projector's Android system and your streaming applications. This ensures optimal performance, security, and access to the latest features.
• Power Source: The DITONG HY300 Plus operates solely on AC power and does not have an internal battery. Always ensure it is connected to a power outlet during use.
• Low Noise Operation: The projector is designed for low noise operation (below 25dB), making it suitable for quiet environments like bedrooms.

Figure 13: Low Noise Operation (<25dB)

11. Warranty and Support

For warranty information, technical support, or service inquiries, please contact your retailer or the manufacturer directly. Keep your purchase receipt as proof of purchase.