1. Safety Instructions
Read all instructions before using this device. Do not make any changes or create settings that are not described in this manual. Failure to follow instructions may result in physical injury, loss of data, or damage, and will void the product protection service.
1.1 Setup Environment
- Do not expose the device to rain or moisture to reduce the risk of fire or electric shock. Objects filled with liquids, such as vases, should not be placed on this device.
- Do not place this device on soft surfaces such as tablecloths or carpets, as this could be a fire hazard.
- Do not place this device in areas susceptible to excessive dust and dirt or near any appliance generating a strong magnetic field.
- To prevent overheating, do not block or clog the ventilation openings.
- Never place this device in a confined space. Always leave enough space around this device for ventilation.
- Protect this device from overexposure to direct sunlight, heat, large temperature fluctuations, and moisture. Avoid extreme temperatures. The device's proper operating and storage temperature range is 0°F to 95°F.
- When this device runs for a long period, the surface may become hot. Shut it down immediately and unplug the charger. Resume operation after the device has cooled down.
- Always handle this device with care. Avoid touching the lens. Do not allow children to operate the device without supervision.
- Never place heavy or sharp objects on this device.
- To avoid electric shock, do not disassemble.
- Use attachments or accessories specified by the manufacturer only.
- Avoid extreme vibrations as they may damage the internal components.
1.2 Important Notices
- Don't install the projector in sites with improper ventilation.
- Don't install the projector in hot or humid sites.
- Don't cover the projector ventilation holes with any material.
- Don't install the projector in dust or smoke sites.
- Don't install the projector near the temperature or smoke transducer. It may cause a sensor failure.
- Don't install the projector in sites with direct blowing at warm or cool air-condition wind.
- Please do not look into the lens when the projector is working, otherwise it may hurt your eyes.
- Please use the power cord with caution to avoid undue bending. A damaged power cord may cause electric shock.
- Please use the projector with caution to avoid dropping or shocking, which may damage the internal components.
- Please use the same power voltage as marked on the projector.
- Please use the projector in a dark room to get the best projection.
- Please do not disassemble the projector yourself, otherwise the product protection service will be invalid.
- Please turn off and unplug from the power supply if not using the projector for a long time.
- The device for operation in the band 5150-5250 MHz is only for indoor use.
1.3 Hearing Safety
To avoid hearing damage, do not listen for extended periods at high volume. Set the volume to a safe level.
1.4 Cleaning
- Use a soft, lint-free cloth. Never use liquid, gaseous, or easily flammable cleansers (sprays, abrasives, polishes) to clean.
- Do not use any liquid cleaning agents to clean the lens to avoid damaging the coating film on the lens. Use lens cleaning paper to clean the lens.
1.5 Repairs
- Do not make any repairs to this device yourself. Only have your device repaired by an authorized service center.
- Improper maintenance can result in injuries or damage to this device.
- Refer all servicing to qualified service personnel.
1.6 Caution (Optical Radiation)
- Possibly hazardous optical radiation is emitted from this device.
- Do not store at the operating beam. The bright light may damage your eyes.
- When charging, place this device in an environment with an average room temperature (41°F to 77°F recommended) and good ventilation.
1.7 E-waste Recycling Instructions
All electronic waste is made up of chemicals such as lead, cadmium, beryllium, mercury, and brominated flame retardants. Improper disposal of gadgets and devices increases the chances of these dangerous chemicals contaminating the soil, polluting the air, and leaching into water bodies. Please find an e-waste recycler who is officially certified by the Basel Action Network (BAN).
The symbol of a crossed-out wheeled garbage can regularly displayed on electrical and electronic equipment indicates that the respective device must be collected separately from unsorted municipal waste at the end of its service life.
If you have old appliances, you can hand them in at the facilities set up and available by public use disposal authorities for the return of collection of old appliances for the purpose of proper disposal of the old appliances. If necessary, it is also possible to hand in electrical and electronic equipment there for the purpose of reusing the equipment. For more information, please contact the respective collection or take-back point.
Old appliances may contain substances that are harmful to the environment and human health. The separate collection and recycling of old appliances should prevent negative effects on the environment and human health.
Old devices often contain sensitive personal data. This applies to information and telecommunications technology devices such as computers and smartphones. In your own interest, please note that each end user is responsible for deleting the data on the old devices to be disposed of.
1.8 FCC and IC Compliance
FCC WARNING: This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: Reorient or relocate the receiving antenna. Increase the separation between the equipment and receiver. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. Consult the dealer or an experienced radio/TV technician for help. To maintain compliance with FCC's RF Exposure guidelines, this equipment should be installed and operated with minimum 20cm distance between the radiator and your body: Use only the supplied antenna. FCC ID: 2BFIZ-X3BQ.
IC Caution (English): This device complies with Innovation, Science and Economic Development Canada licence-exempt RSS standard(s). Operation is subject to the following two conditions: (1) This device may not cause interference, and (2) This device must accept any interference, including interference that may cause undesired operation of the device. To maintain compliance with RSS-102 RF Exposure guidelines, this equipment should be installed and operated with minimum 20cm distance between the radiator and your body: Use only the supplied antenna. This product is limited to indoor operation in the 5150-5250 MHz band.
IC Caution (French): Cet appareil est conforme aux normes RSS exemptées de licence d'innovation, sciences et développement économique Canada. L'exploitation est autorisée aux deux conditions suivantes: (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d'en compromettre le fonctionnement. Pour être conforme aux lignes directrices d'exposition RF RSS-102, cet équipement doit être installé et exploité à une distance minimale de 20cm entre le radiateur et votre corps: n'utilisez que l'antenne fournie. Ce produit est limité à un fonctionnement à l'intérieur dans la bande 5150-5250 MHz.
2. Setup
2.1 Package List
Please check the package contents upon unpacking:
Projector x 1
Remote Control x 1 (Batteries are not included)- Power Cable x 1
- Video Cable x 1
- User Manual x 1 (PDF version available for download, see Support section)
- Cleaning Tool x 1
If any part is missing, please contact customer service.
2.2 Projector Overview
Familiarize yourself with the projector's components and ports.

Diagram showing the location of the On/Off button, Lens, 3.5mm Stereo Jack, USB ports, IR receiver, Power Socket, and the Rotate mechanism on the projector.
- On/Off Button: Powers the projector on or off.
- Lens: Projects the image.
- 3.5mm Stereo Jack: For audio output.
- USB Ports: For connecting USB flash drives or other USB devices.
- IR Receiver: Receives signals from the remote control.
- Power Socket: Connects to the power cable.
- Rotate Mechanism: Allows 270° rotation for flexible projection angles.
2.3 Projector Installation
The projector offers flexible installation options to adapt to any space.

Image illustrating three installation methods: Ceiling Mount, Desktop Setup, and Tray Bracket, demonstrating the projector's adaptability.
- You can install the projector wherever you want.
- The projector can seamlessly rotate and project onto walls, ceilings, or even the floor. Enjoy an immersive viewing experience from any angle in your home.

Diagram showing the projector's 270° rotatable design, allowing projection onto various surfaces.
3. Operating Instructions
3.1 Getting Started
- Plug the power cord into the projector.
- Press the power button to turn on the projector.
- Use the electric focus function to achieve the best image performance. (Automatic keystone, ≥45°)
- You can seamlessly rotate and project onto walls, ceilings, or even the floor.
- Connect the projector to WiFi / USB / Video Cable port support device.
- Press and hold the Power button for 3 seconds to turn off the projector.
3.2 Remote Control Functions

Diagram of the remote control showing buttons for Power, Mute, Focus, Mouse Control, Navigation (Up, Down, Left, Right, OK), Menu, Return, Home, and Volume.
- Power Switch: Turns the projector on/off.
- Mute: Mutes/unmutes audio.
- Focus +/-: Adjusts image focus.
- Switch to mouse control: Toggles mouse mode. Press once to enter, press again to exit.
- OK: Confirms selections.
- Up/Down/Left/Right: Navigation buttons.
- Menu: Accesses menu options.
- Return: Goes back to the previous screen.
- Home: Returns to the home screen.
- Volume -/+: Adjusts volume.
Remote Control Attention:
- Do not submerge the remote control in water.
- Do not put the remote control near fire or in wet or hot places.
- Do not use old and new batteries together in the remote control.
- Please take the batteries out if not using the remote control for a long time to avoid battery leakage.
- Please point the remote control towards the IR receiver.
- Please use the remote control within 6 meters distance and 30-degree angle.
3.3 Connections and Interface
The projector supports multiple devices and applications.

Diagram showing various input ports (HDMI, USB, Audio, DC/IN) and compatible devices like Tablet, PC, TV box, Game Console, USB, iPhone, Soundboxes, and Earphones.
3.3.1 USB Connection
Insert a USB flash/storage hard drive into the USB port and choose USB as the source from the menu.
The USB icon will appear on the main interface once the USB is inserted. If the USB icon in the upper right corner of the interface does not appear or is not illuminated, please reinsert the USB or check if the USB flash drive is malfunctioning.
Supported Multimedia Formats:
| File Type | Format | Suffix | Decoding |
|---|---|---|---|
| Video Play | MPEG 1 | .DAT.MPG.MPEG | / |
| MPEG 2 | .MPG | / | |
| MPEG 4 | .AVI.MP4 | DIVX.XVID | |
| RMA.RMVB | RMA.RMVB | RV8, RV9, RV10 | |
| MJFEG | .AVI | / | |
| WMV | |||
| VC1 | |||
| H.264 | .MKV.MOV | H.264 | |
| H.265 | .MKV.MP4 | / | |
| Picture Play | JPEG | .JPG | / |
| PNG | .PNG | / | |
| BMP | .BMP | / | |
| Audio Play | MP3 | .MP3 | |
| M4A | .MP4 | ||
| Dihritid(AC-3) Optional | |||
| AAC-LC | |||
| HE-AAC | |||
| WMA |
3.3.2 Video Cable Connection
Use the Video Cable port to connect computers and Video Cable compatible devices. Once connected, select the Video Cable signal source.
Tips: Mini Display Port to Video Cable. Thunderbolt to Video Cable Adapters are needed to be compatible with iMac, MacBook, Surface, ThinkPad.
Video Decoding:
- H.265 MP, VP9, AVS2, supporting up to 7680x4320
- H.264 BP/MP/HP, supporting up to 3840x2160@30fps
- H.263, MPEG-1, MPEG-2, MPEG-4, VP8, VC1, RMVB, AVS/AVS+, supporting up to 1920x1080@60fps
3.3.3 Wireless Mirroring (Android, Microsoft, AirPlay)
Ensure your mobile phone and the projector are connected to the same network for wireless mirroring.
Android Wireless Mirroring:
Enter the Transcreen app on your mobile phone. Follow the tips on the screen, go to https://transcreen.app and download the Transcreen app. Search for the projector device name on your phone and click connect to share the screen.
Microsoft Mirroring:
Click "START" on the screen. Then go to the Microsoft mirroring interface. Follow the tips on the screen, according to your phone's mirroring function, to search for the device for screen sharing.
AirPlay Mirroring:
Click "Screen Mirroring" on your phone. Find the projector device name and share the screen.
3.3.4 Wired Mirroring (Android, Apple)
Android Wired Mirroring:
Connect the Android mobile phone to the USB port of the projector by USB cable. At the first connection, your mobile phone will display tips for downloading the mirroring app. After installation, accept the mirroring at the pop-up window and then share the screen. You can also scan the QR code or download the APP from the URL: https://transcreen.app/linedisplay.
Apple Wired Mirroring:
Connect the iOS mobile phone to the USB port of the projector by USB cable. After connection, input the passwords then share the screen.
3.4 System Settings
Access various settings to customize your projector experience.

Screenshot of the Android 14 OS interface showing various apps and the search bar, highlighting the projector's smart capabilities.
3.4.1 App Store
In the App Store, applications can be installed with one click and used directly after installation. This allows users to easily obtain and use applications.
3.4.2 Projection Settings
Enter Projection settings to set up projection mode, display settings, installation mode, digital scaling, auto trapezoidal correction, and manual trapezoidal correction.

Image demonstrating the Auto Focus and Auto Keystone Correction features, along with 100%-50% Zoom capability for a clear and properly aligned image.
3.4.3 Networking Settings
In Networking Settings, turn WiFi "ON", select your desired WiFi ID, and input the password to connect to the internet.
3.4.4 BT Setting
In BT settings, turn BT "ON", click Refresh Device, and choose the objective device to pair.
3.4.5 Language Setting
In Language Settings, enter to set up the language and select the input method.
3.4.6 Date And Time Setting
In Date And Time Setting, enter to set the Date, Time, and use the 24-hour format.
3.4.7 Other Settings
In Other Settings, you can adjust button sound, screen saver, timed shutdown, and restore factory settings.
3.4.8 About
In the About section, you can view UI version, running memory, and storage space information.
4. Maintenance
4.1 Unload The Dust Net And Clear
Regularly clean the dust net to maintain projector performance. The original manual provides diagrams for these steps.
- Step 1: Pry off the bottom cover.
- Step 2: Clean the projector by the cotton swab.
- Step 3: Reinstall the bottom cover after cleaning.
5. Troubleshooting (Questions & Answers)
If you encounter any problems, please refer to the following solutions. If the issue persists, contact customer service.
5.1 Audio Problems
Q: Why is the projector display available but without audio?
A1: The projector or the connected device (PC, TV, etc.) is muted.
A2: The video format is not supported by the projector.
A3: For Fire Stick: Enter "Setting" and find "Display & Sound". Then select "navigation sounds". Select Stereo (or PCM) for "surround sound".
Q: Why is the projector's audio available but without display?
A1: The video format is not supported by the projector.
A2: Encryption applied to the videos or media player who holds the video.
A3: If the projector lamp is off with only audio playing, the lamp is defective. Please contact customer service for a replacement.
A4: Try another Video cable if you select the Video Cable Input Source.
Q: Video playback is out of sync with sound and picture?
A: The fluency of playing is related to the network; if you are connected to a Wifi device, it generally has a delayed display.
5.2 Signal & Image Problems
Q: Why does the projection screen show No Signal?
A1: Make sure all cables are plugged correctly and firmly.
A2: Make sure you select the right Input Source. For example, if you connect with a phone, please follow the "Connections" section in this manual.
Q: How can I do if the image is upside down?
A: Press the "Menu" on the remote to enter the Settings. Then, select "Projection Mode". Press the "OK" button to rotate the image.
Tips for Blurry Image:
- First, the projector has automatic upper ±45° ladder correction.
- Second, use the electric focus function to achieve the best clarity image performance.
6. Specifications
Detailed technical specifications for the LYNCAST X3 Mini Projector.
| Feature | Value | Feature | Value |
|---|---|---|---|
| Model NO. | X3AR | Product Type | Projector |
| Projection Display | 40" - 130" | Color | White |
| Support Resolution | 1080P (1920*1080) | Power | 48W |
| WiFi | WiFi6 2.4G/5G | Keystone | Automatic keystone |
| Noise | ≤27 db | Support | 7680x4320 |
| Weight | 635g | Input Modes | USB, Video Cable, AUX, DC |
| Package Size | 242*148*159mm | Product Size | 155*122*131mm |
| Input | DC100-240V ~50/60 Hz | Output | 5V - 0.95A |
Additional Properties:
- Voltage range: High voltage (50-1000V DC, 75-1000V AC)
- High-concerned chemical: none
- Remote controller included: Yes
- Built-in Speaker: Yes
- Battery: no
- Bluetooth-compatible: Yes
- Category: Projectors
- Ansi Lumens: 400
- System: Android
- Projected Dimension: 30-300 inches
- Projective Mode: Throwing, Ceiling
- Projection Technology: LCD
- Screen Scale: 4:3/16:9
- Portable: Yes
- Use: Home
- Type: Digital Projector
- Home Theater Projector: yes
- Contrast Ratio: 2000:1
- Brightness: 2000 Lumens
- Display Size: >13.5
- Function: Video Playback
- Light source operating life: 30000 hours
- Control Method: App, Remote
- Power Source: AC
- Inbox adaptor: Yes
- Structure: Without display device
- Light Source: LED
- Certification: CE, FCC, RoHS, UL, WEEE
7. User Tips
Helpful advice from other users to enhance your experience with the LYNCAST X3 Mini Projector.
- For optimal viewing, especially in a darkened room, 50% brightness is often sufficient.
- Consider installing a media player like VLC from the Play Store after connecting to Wi-Fi and your Google account. This ensures you have the latest codecs for both local files and streaming.
- The auto keystone correction is generally accurate, but for a perfectly rectangular image, utilize the fine manual corner adjustment feature.
- The projector is versatile for different setups; users have successfully mounted it on a camera tripod to project onto the ceiling for movie nights.
- The projector is suitable for various uses, including watching movies from a USB archive or projecting reference images from a PC via HDMI for creative tasks like painting.
8. Support & Warranty
For further assistance or to access additional resources, please use the following options:
8.1 Official Video Tutorials
You can find instructional videos on the official YouTube channel:
www.youtube.com/@ProjectorInstructionVideo
This channel provides operation videos and guides.
Official product demonstration video showing features like 270° rotation, auto keystone correction, auto focus, and immersive home theater experience.
8.2 Contact Support
For direct assistance, a QR code is provided in the original manual to contact professionals and access more operation videos.
8.3 User Manual (PDF)
A PDF version of the user manual is available for download. You can access it via the following link: LYNCAST X3 Mini Projector User Manual (PDF).