1. Introduction
The Lytmi TV LED Backlight System enhances your viewing experience by synchronizing ambient lighting with the colors displayed on your screen. This system provides immersive lighting for movies, games, and music, creating a dynamic atmosphere in your entertainment space.
2. What's in the Box
Verify that all components are present before beginning installation:
- TV Sync Stick
- LED Light Strip (cuttable to fit 56-75 inch TVs)
- Power Adapter
- USB Cable
- User Manual
- Warranty Card

Figure 2.1: Package Contents
3. Setup and Installation
Follow these steps for proper installation:
- Prepare your TV: Ensure your TV is clean and dry on the back surface where the LED strip will be applied.
- Attach the LED Strip: Carefully peel the adhesive backing from the LED light strip and firmly press it onto the back of your TV, along the edges. The strip is designed to be cut at designated marks to fit TVs ranging from 56-75 inches. Ensure the strip is positioned correctly for optimal light distribution.
- Connect the Sync Stick: Plug the TV Sync Stick into an available HDMI 2.0 port on your TV. Connect your video source (e.g., streaming device, game console) to the HDMI input port on the Sync Stick.
- Power On: Connect the power adapter to the Sync Stick and plug it into a power outlet.

Figure 3.1: LED Strip Installation

Figure 3.2: Sync Stick Connection
4. Operating Instructions
4.1. Vivid Color Matching
The Lytmi LED TV backlight system automatically syncs colors with your screen, providing an immersive viewing experience. The cutting-edge lighting algorithm precisely separates and matches colors to the content being displayed.

Figure 4.1: Immersive Color Sync
4.2. Enhanced Gaming Experience
Enjoy high-performance games with stunning color and minimal latency. The system supports 4K@60Hz and 1080P@120Hz, ensuring a smooth and responsive lighting effect that complements your gameplay.

Figure 4.2: Dynamic Gaming Lighting
4.3. Dynamic Lighting Effects (RGBIC)
Utilizing RGBIC technology, the system allows for 16 million color combinations, creating a dynamic and vibrant atmosphere for any content. This technology enables multiple colors to be displayed on a single strip segment simultaneously.

Figure 4.3: RGBIC Lighting in Action
4.4. Music Mode
The LED light strip can sync with music, creating a desirable atmosphere for parties or casual listening. The lights will react to the rhythm and beat of your audio.
Video 4.1: Lytmi TV LED Backlight Stick with HDMI 2.0 in action, demonstrating movie, gaming, and music immersion.
5. Specifications
| Feature | Detail |
|---|---|
| Brand | Lytmi |
| Model Number | LDD31 |
| Color | Multicolor |
| Indoor/Outdoor Usage | Indoor |
| Special Feature | Color Changing |
| Light Source Type | LED |
| Power Source | DC |
| Connectivity Technology | HDMI |
| Voltage | 5 Volts (DC) |
| Item Weight | 14.4 ounces |
| Compatible TV Size | For 56-75 Inch TV (cuttable) |
For more detailed product data, refer to the official EPREL Product Datasheet.
6. Troubleshooting
- Lights not syncing: Ensure all HDMI connections are secure. Verify that the Sync Stick is receiving power. Check your TV's input settings to ensure the correct HDMI input is selected.
- Flickering lights: This can sometimes occur with certain content or signal types. Ensure your HDMI cables are high-quality. Try restarting the TV and the Lytmi system.
- Color inaccuracy: Ensure the LED strip is installed correctly around the TV perimeter. Some content with very dark or very bright edges might show slight variations.
- No power: Check the power adapter and cable connections. Ensure the power outlet is functional.
7. Warranty and Support
Lytmi products come with a warranty. For specific warranty details, please refer to the warranty card included in your package. If you have any questions or require technical assistance, please contact Lytmi customer support.
Customer Support Email: support@lytmi.co
Lytmi provides 24/7 customer service to assist you with any product-related inquiries.

Figure 7.1: Lytmi Customer Support
