1. Introduction
The llano HDMI 2.1 Switch is a high-performance, bidirectional device designed to manage your HDMI connections efficiently. It supports advanced video and audio technologies, ensuring a high-quality experience for gaming, entertainment, and professional use. This manual provides detailed instructions for setup, operation, and troubleshooting to help you maximize your device's potential.
2. Package Contents
Please verify that all items are present in your package:
- llano 8K HDMI Switcher (Model LCTS502G)
- User Manual
- Type-C Power Cable

Image: The llano HDMI 2.1 Switch with its included Type-C power cable and user manual.
3. Product Overview
The llano HDMI 2.1 Switch features a compact aluminum alloy case with clearly labeled ports and an intuitive button for switching. Indicator lights provide visual feedback on the active port.

Image: A detailed view of the llano HDMI 2.1 Switch, highlighting its two input ports and single output port, along with the central switching button and indicator lights.
Port Layout
- HDMI Input Ports (x2): Connect your source devices (e.g., PS5, Xbox, PC).
- HDMI Output Port (x1): Connect to your display device (e.g., TV, monitor, projector).
- Micro USB (DC 5V) Port: For external power supply, required for certain modes.
- Switch Button: Press to toggle between active inputs/outputs.
- Indicator Lights: Show which port is currently active.
4. Setup
The llano HDMI 2.1 Switch is a plug-and-play device. No external drivers are needed. Ensure you use certified Premium HDMI or Ultra High Speed HDMI cables for optimal performance and to prevent signal issues.
4.1. 2 In 1 Out Mode (Switcher)
In this mode, two source devices share one display. You can switch between the two sources.
- Connect your two HDMI source devices (e.g., PS5, Laptop) to the two HDMI Input ports on the switch.
- Connect your display (e.g., TV, monitor) to the HDMI Output port on the switch.
- Connect the provided Type-C power cable to the Micro USB port on the switch and to a 5V power source (e.g., USB port on your TV, a USB wall adapter).
- Press the switch button to toggle between the two input sources. The indicator lights will show the active source.

Image: Diagram illustrating the connection for 2 In 1 Out (Switcher) mode, where two HDMI sources connect to the switch, and the switch connects to a single display.
4.2. 1 In 2 Out Mode (Splitter)
In this mode, one source device can output to two displays, but only one display can be active at a time. This is not for simultaneous display on both screens.
- Connect your HDMI source device (e.g., Laptop) to the HDMI Output port on the switch.
- Connect your two displays (e.g., Monitor 1, Monitor 2) to the two HDMI Input ports on the switch.
- Connect the provided Type-C power cable to the Micro USB port on the switch and to a 5V power source.
- Press the switch button to toggle between the two output displays. The indicator lights will show the active display.

Image: Diagram illustrating the connection for 1 In 2 Out (Splitter) mode, where one HDMI source connects to the switch, and the switch connects to two displays, with only one active at a time.
5. Operating Instructions
Using the llano HDMI 2.1 Switch is straightforward:
- Switching: Simply press the button on the top of the device to switch between the connected HDMI sources or displays.
- Indicator Lights: The blue LED indicator lights next to each port will illuminate to show which input or output is currently active.
- Power: For optimal performance, especially in 1 In 2 Out (splitter) mode or with high-resolution signals, ensure the device is powered via the Micro USB port.

Image: The llano HDMI 2.1 Switch connected to various devices, demonstrating the ease of toggling between inputs with a single button press.
6. Features & Performance
The llano HDMI 2.1 Switch is engineered for high-fidelity audio and video transmission:
- 8K & 4K Support: Supports resolutions up to 8K@60Hz and 4K@120Hz, with backward compatibility for 1080P@240Hz and earlier HDMI standards.
- High Bandwidth: Features 48Gbps bandwidth for ultra-high-speed data transmission, ensuring stable and clear signals.
- Advanced Technologies: Compatible with VRR (Variable Refresh Rate), Dynamic HDR, Chroma 4:2:0 / 4:2:2 / 4:4:4, Dolby Vision, and HDCP 2.3.
- Wide Compatibility: Works with all standard HDMI interface devices, including PS5, PS4, PS3, Xbox Series X/S, Nintendo Switch, Apple TV, Fire Stick, Roku, DVD players, TVs, projectors, and monitors.

Image: A visual comparison demonstrating the difference between 60Hz and 120Hz refresh rates for 4K video, highlighting smoother motion at higher refresh rates.

Image: A display showcasing the enhanced 8K picture quality with HDR10, illustrating the vibrant and realistic colors achieved with Dynamic HDR compared to no HDR.
Official Product Videos
Video: An overview of the llano 8K HDMI Switch, demonstrating its features and compact design.
Video: A demonstration of the llano HDMI 2.1 Switch supporting 4K at 120Hz, highlighting its performance with high-refresh-rate content.
7. Troubleshooting
If you encounter issues, please refer to the following common solutions:
- No Signal/Flickering Screen:
- Ensure all HDMI cables are securely connected.
- Verify that you are using certified Premium HDMI or Ultra High Speed HDMI cables. Low-quality cables can cause signal handshake failures.
- Confirm the switch is receiving adequate power via the Micro USB port, especially for high-resolution outputs or in 1 In 2 Out mode.
- Try restarting the source device and the display.
- Incorrect Resolution/Refresh Rate:
- Check the display settings on your source device (e.g., PS5, Xbox) to ensure the desired resolution and refresh rate are selected and supported by your display.
- Ensure your display (TV/monitor) is configured to accept enhanced HDMI signal formats for 4K@120Hz or 8K@60Hz.
- Audio Issues:
- Verify audio settings on your source device and display.
- Ensure your audio system supports the transmitted audio format (e.g., Dolby Atmos).
8. Specifications
| Model Number | LCTS502G |
| Product Dimensions | 0.39 x 0.25 x 0.18 inches |
| Item Weight | 3.84 ounces |
| Connector Type | HDMI |
| Color | Grey |
| Supported Resolutions | 8K@60Hz, 4K@120Hz, 1080P@240Hz |
| Bandwidth | 48Gbps |
| HDR Support | Dynamic HDR, HDR10, Dolby Vision |
| Other Features | VRR, Chroma 4:2:0 / 4:2:2 / 4:4:4, HDCP 2.3 |
9. Warranty & Support
llano is committed to providing high-quality products and excellent customer service. Your llano 8K HDMI Switch comes with a standard warranty.
- Warranty Extension: Join the "SmartTech VIP service center" to extend your warranty period for free to 3 years. Please send your order number to our official after-sales service team.
- Customer Service: If you have any questions or concerns, please feel free to contact our after-sales service team. We value your feedback and are here to assist you.


