DBPOWER L21 WiFi Mini Projector Instruction Manual

1. Introduction

Thank you for purchasing the DBPOWER L21 WiFi 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 use and keep it for future reference.

2. What's in the Box

Please check the package contents upon unboxing:

• WiFi Mini Portable Projector
• Remote Control
• HDMI Cable
• AV Cable
• Power Cable
• User Manual

3. Product Overview

The DBPOWER L21 is a compact and versatile mini projector designed for various entertainment and presentation needs. It supports 1080P Full HD resolution and features WiFi connectivity for seamless screen mirroring.

3.1. Physical Components

Image 1: The DBPOWER L21 WiFi Mini Projector displaying a scenic view via wireless screen mirroring from a smartphone. The projector is white with black accents, compact, and sits on a coffee table.

3.2. Ports and Controls

The projector features multiple ports for connectivity and intuitive controls for easy operation:

• HDMI Ports: For connecting devices like laptops, TV sticks, gaming consoles.
• USB Ports: For playing media directly from USB flash drives.
• Audio Out (3.5mm Jack): For connecting external speakers or headphones.
• AV Port: For connecting older devices using the included AV cable.
• Power Input: For connecting the power adapter.

Image 2: Close-up view of the projector's focus and keystone correction dials. The image shows how adjusting these dials can sharpen the image and correct trapezoidal distortion.

• Focus Ring: Adjusts image sharpness.
• Keystone Correction: Corrects trapezoidal image distortion (up to ±15°).
• Control Panel: On-device buttons for basic navigation and settings.

4. Setup

4.1. Powering On

1. Connect the power cable to the projector's power input and then to a power outlet.
2. Press the power button on the projector or the remote control to turn it on.

4.2. Initial Placement and Adjustment

Place the projector on a stable, flat surface or mount it using a compatible tripod. Adjust the distance from the projection surface to achieve your desired screen size (up to 240 inches recommended at 10ft distance).

Image 3: Diagram illustrating various projector placement options including ceiling mount, table placement, and tripod installation for flexible viewing setups.

4.3. Focus and Keystone Correction

• Rotate the Focus Ring until the projected image is clear and sharp.
• Adjust the Keystone Correction dial to ensure the image is rectangular and not trapezoidal.

5. Operating Instructions

5.1. Connecting Devices

The projector supports various input sources:

• HDMI: Connect your device (laptop, TV stick, game console) using an HDMI cable. Select the corresponding HDMI input from the projector's menu.
• USB: Insert a USB flash drive into the USB port. The projector will automatically detect the drive and allow you to browse media files.
• AV: Use the provided AV cable to connect older devices. Select the AV input.

5.2. WiFi Screen Mirroring (iOS/Android)

The DBPOWER L21 features the latest WiFi technology for easy screen mirroring from your smartphone or tablet:

1. Ensure your projector and mobile device are connected to the same WiFi network.
2. On the projector's main menu, select the

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