1. Introduction
This instruction manual provides essential information for the safe and efficient operation of your Miroir L300 Full HD LCD Portable Projector. Please read this manual thoroughly before using the product and retain it for future reference. The Miroir L300 is designed to deliver a high-quality viewing experience with its native 1080p resolution and versatile connectivity.
2. What's in the Box
Upon unpacking, please ensure all the following items are present:
- Miroir L300 Projector
- Remote Control
- HDMI Cable
- AC Adapter
- Quick Start Guide

Image: Contents of the Miroir L300 package, including the projector, remote, HDMI cable, AC adapter, and quick start guide.
3. Product Features
- Native 1080p Full HD Resolution: Delivers clear and sharp images with a resolution of 1920 x 1080p.
- Adjustable Screen Size: Projects images from 30 inches up to 80 inches.
- Long-lasting LED Lamp: Features an LED lamp with an estimated lifespan of up to 20,000 viewing hours.
- Integrated Audio: Equipped with two built-in 3-watt speakers for direct audio output.
- Multiple Connectivity Options: Includes 2 HDMI ports, 2 USB Type-A jacks for power, and a 3.5mm audio out port.
- Streaming Device Compatibility: USB Type-A jacks can power streaming sticks such as Fire Stick, Chromecast, and Roku.
- Optimal Viewing Conditions: Best performance is achieved in dark or semi-lit environments.

Image: Front view of the Miroir L300 projector.

Image: Top view of the Miroir L300 projector with control buttons.

Image: Connectivity options and compatible devices for the Miroir L300 projector.
4. Setup
- Placement: Position the projector on a stable, flat surface. Ensure there is adequate ventilation around the unit. For optimal image quality, place the projector perpendicular to the projection surface (wall or screen).
- Power Connection: Connect the AC adapter to the projector's power input and then plug it into a power outlet.
- Connect Source Device: Use an HDMI cable to connect your source device (e.g., laptop, streaming stick, game console) to one of the HDMI ports on the back of the projector. If using a streaming stick, you can power it using one of the USB Type-A ports.
- Power On: Press the power button on the projector or the remote control to turn on the device.
- Focus Adjustment: Rotate the focus wheel located near the lens until the projected image appears sharp and clear.
- Image Size: Adjust the distance of the projector from the screen to achieve your desired image size (30" to 80"). The L300 does not feature a zoom function.
- Audio Output: If external speakers are desired, connect them to the 3.5mm audio out port.

Image: Miroir L300 projector with its integrated kickstand for angle adjustment.

Image: Rear panel of the Miroir L300 projector displaying input/output ports.
5. Operating Instructions
- Power On/Off: Press the power button on the projector or remote control.
- Input Source Selection: Use the 'Source' button on the remote or projector to cycle through available input sources (HDMI 1, HDMI 2).
- Volume Control: Adjust the volume using the '+' and '-' buttons on the remote or the projector's top panel.
- Navigation: Use the arrow keys and 'OK' button on the remote to navigate through any on-screen menus if available.
- Keystone Correction: The projector may feature automatic or manual keystone correction to adjust the image shape if the projector is not perfectly aligned with the screen. Refer to the on-screen display for specific adjustments.
Video: An official product video from Miroir USA showcasing the L300 LCD Projector's features and usage scenarios.
6. Maintenance
- 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 cloths that could scratch the lens.
- Cleaning the Projector Body: Wipe the exterior of the projector with a soft, dry cloth. Do not use liquid cleaners or solvents.
- Ventilation: Ensure the projector's ventilation openings are not blocked to prevent overheating. Regularly check for dust accumulation and gently clean with a soft brush or compressed air if necessary.
- Storage: When not in use for extended periods, store the projector in a cool, dry place, away from direct sunlight and extreme temperatures.
7. Troubleshooting
- No Image:
- Ensure the projector is powered on and the power cable is securely connected.
- Verify the input source is correctly selected (e.g., HDMI 1 or HDMI 2) to match your connected device.
- Check the HDMI cable connection at both the projector and the source device. Try a different HDMI cable if possible.
- Confirm your source device is powered on and outputting a signal.
- Blurry Image:
- Adjust the focus wheel until the image is sharp.
- Ensure the projection surface is flat and smooth.
- Check the distance between the projector and the screen; it should be within the recommended range for a clear image.
- No Sound:
- Increase the volume on both the projector and your source device.
- If using external speakers, ensure they are properly connected and powered on.
- Verify that the audio output from your source device is enabled.
- Remote Control Not Working:
- Check and replace the batteries in the remote control.
- Ensure there are no obstructions between the remote and the projector's IR receiver.
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | L300 |
| Product Dimensions | 7.7 x 7.7 x 3.46 inches |
| Item Weight | 2 pounds |
| Display Resolution | 1920x1080p (Native Full HD) |
| Connectivity Technology | 2x HDMI, 2x USB Type A, 3.5mm Audio Out |
| Lamp Type | LED |
| LED Lamp Life | Up to 20,000 viewing hours |
| Built-in Speakers | Yes (2x 3-watt) |
| Recommended Uses | Home Cinema |
| Manufacturer | Miroir |
9. Warranty and Support
For warranty information and customer support, please refer to the Quick Start Guide included in your product packaging or visit the official Miroir website. Keep your purchase receipt as proof of purchase for warranty claims.
Important Note: Some Apple devices may require an Apple Digital AV Adapter (sold separately) and some Android devices may require a USB-C to HDMI adapter cable (sold separately) for connectivity.





