Step 1: Install the Display Terminal on Your TV, Set-Top Box, or Digital Signage
Choose the appropriate version for your device's hardware and software architecture.
For installation instructions, refer to the Installation Overview.
After installation, you should see the following interface: 
Step 2: Enable LAN Direct Connection
Turn on the LAN direct connection feature.
Step 3: Scan the QR Code to Log In
After enabling the LAN direct connection, a QR code with the LAN address will appear below. Use a phone or computer on the same local network to scan the QR code, or enter the address directly in your browser's address bar to log in. 
Once opened, click the avatar in the top left corner to log in. The default password is admin. Please change your password promptly after logging in. 
Step 4: Create and Cast a Program
After logging in, you need to create a program. Click the "Create Program" button in the bottom right corner and follow the prompts to create a program. 
Then, enter the program editing interface. Click the "Add" button in the bottom right corner to add media. Here, we'll use an image as an example. 
Select an image from your phone, then click the "Save" button in the top right corner of the program editing interface. After saving, click the "Cast" button in the bottom right corner. 
In the pop-up dialog, select "Cast to Selected Device." 
Select "This Device," then click the "Confirm Selection" button in the bottom right corner. 
Click "Confirm" again in the pop-up dialog. 
At this point, the display terminal device will play the image you just selected. 
If the device is not authorized, an unauthorized prompt will appear. Complete local authorization to remove the prompt.