TOPTRO TR21 Mini Projector

1. Introduction

Thank you for purchasing the TOPTRO TR21 Mini Projector. This manual provides essential information for setting up, operating, and maintaining your projector to ensure optimal performance and longevity. Please read this manual thoroughly before using the product and keep it for future reference.

Figure 1: TOPTRO TR21 Mini Projector in use, highlighting WiFi and Bluetooth capabilities.

2. Safety Information

• Do not look directly into the projector lens when the lamp is on.
• Ensure proper ventilation around the projector to prevent overheating.
• Use only the power adapter provided with the projector.
• Keep the projector away from water or other liquids.
• Do not attempt to repair the projector yourself. Contact qualified service personnel.
• Place the projector on a stable, level surface.

3. Package Contents

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

• TOPTRO TR21 Mini Projector
• Remote Controller
• Power Adapter
• User Manual (this document)
• (Other accessories may vary based on package)

4. Product Overview

The TOPTRO TR21 is a compact digital projector designed for home entertainment. It features WiFi and Bluetooth connectivity, allowing for versatile media playback.

4.1. Projector Features

• Wireless screen mirroring for mobile devices (Android/iOS)
• Bluetooth 5.0 for connecting external audio devices
• Native 1280x720dpi resolution, supporting 1080P input
• 9500 Lumens brightness and 10000:1 contrast ratio
• Long-lasting LED light source (up to 20,000 hours)
• Advanced cooling system for reduced noise
• Multiple input ports: HDMI, USB, VGA, AV, SD card
• Built-in speaker
• Manual and Electronic Keystone Correction
• Zoom function (75% to 100%)

4.2. Ports and Controls

Figure 2: Overview of projector ports and compatible external devices.

The projector includes the following ports:

• AV Port: For connecting older devices using an AV cable.
• USB Ports (x2): For connecting USB storage devices (e.g., flash drives) or other USB peripherals.
• HDMI Port: For connecting devices like TV sticks, game consoles (PS4, X-Box), laptops, etc.
• SD Card Slot: For playing media directly from an SD card.
• VGA Port: For connecting computers or laptops.
• Power Input: For connecting the AC power adapter.

Controls typically include focus ring, keystone adjustment, and basic navigation buttons on the top panel (refer to Figure 5 for visual reference of focus/keystone).

5. Setup

5.1. Placement

The TOPTRO TR21 projector offers flexible installation options:

• Front Projection: Place the projector on a table in front of the screen.
• Rear Projection: Place the projector behind a translucent screen.
• Ceiling Projection: Mount the projector to the ceiling (requires a compatible ceiling mount, not included).

Figure 3: Various installation types: Front, Rear, and Ceiling projection.

Ensure the projector is positioned at an appropriate distance from the screen to achieve the desired screen size (20-300 inches).

5.2. Power Connection

1. Connect the provided power adapter to the projector's power input port.
2. Plug the power adapter into a suitable AC power outlet.
3. Press the power button on the projector or remote control to turn it on.

5.3. Focus and Keystone Adjustment

After powering on, adjust the image for clarity and shape:

1. Focus: Rotate the focus ring near the lens until the projected image appears sharp and clear.
2. Keystone Correction: If the image appears trapezoidal (wider at the top or bottom), use the manual keystone correction dial or electronic correction settings (if available via menu) to square the image. The projector supports manual ±15° keystone correction.

Figure 4: Focus and Manual Keystone Correction dials.

6. Operating Instructions

6.1. Wireless Connection (Screen Mirroring)

The TR21 projector supports convenient WiFi screen mirroring for both Android and iOS devices, eliminating the need for extra cables or HDMI adapters.

1. Ensure your mobile device and the projector are connected to the same WiFi network.
2. Select the 'Screen Mirroring' or 'WiFi Display' option on the projector's input source menu.
3. On your mobile device, activate the screen mirroring feature (e.g., 'Smart View' on Android, 'Screen Mirroring' on iOS).
4. Select the projector's name from the list of available devices to establish the connection.

Figure 5: Wireless screen mirroring from a smartphone to the projector.

6.2. Bluetooth Connection (Audio Output)

Enhance your audio experience by connecting external Bluetooth speakers or headphones to the projector.

1. Turn on your Bluetooth speaker or headphones and set them to pairing mode.
2. On the projector, navigate to the Bluetooth settings menu.
3. Scan for available Bluetooth devices.
4. Select your desired audio device from the list to pair and connect.

Note: The Bluetooth function on this projector is for audio output only. It cannot connect to mobile phones or tablets via Bluetooth for screen mirroring.

Figure 6: Enjoying enhanced audio with Bluetooth 5.0 connectivity.

6.3. Connecting External Devices

The TR21 projector supports a wide range of external devices:

• HDMI: Connect TV sticks, game consoles (PS4, X-Box), laptops, Blu-ray players.
• USB: Play media files directly from USB flash drives.
• VGA: Connect desktop computers or older laptops.
• AV: Connect legacy devices like DVD players.
• SD Card: Play media files directly from an SD card.

After connecting a device, select the corresponding input source from the projector's menu.

6.4. Zoom Function

The projector features a digital zoom function, allowing you to adjust the screen size between 75% and 100% without moving the projector. Access this feature through the projector's menu settings.

6.5. Product Video Overview

7. Maintenance

7.1. Cleaning the Lens

Use a soft, lint-free cloth specifically designed for optical lenses to gently wipe the projector lens. Avoid using abrasive cleaners or excessive force, as this can scratch the lens.

7.2. Cleaning the Projector Body

Wipe the exterior of the projector with a soft, dry cloth. Do not use liquid cleaners or solvents.

7.3. Ventilation

Regularly check that the ventilation vents are clear of dust and obstructions to ensure proper airflow and prevent overheating. The projector features an updated cooling system designed for higher heat dissipation efficiency and lower noise.

7.4. Lamp Life

The LED light source has an estimated lifespan of up to 20,000 hours, providing many years of use under normal conditions.

8. Troubleshooting

9. Specifications

10. User Tips

• For ceiling installation, ensure you have a compatible projector mount. The projector supports ceiling projection mode.
• When connecting external devices, always select the correct input source on the projector to display the content.
• If you experience any issues with screen mirroring, double-check that both your phone/tablet and the projector are on the same WiFi network.

11. Warranty and Support

For warranty information, technical support, or service inquiries, please refer to the contact information provided by your retailer or visit the official TOPTRO website. Keep your purchase receipt as proof of purchase.