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HomeCommon ProblemHow to turn on the TV and use the screen mirroring function

How to turn on the TV and use the screen mirroring function

The specific operation method is as follows:

1. Start the smart TV, use the TV's remote control to operate, find Miracast under the application column, and press the confirmation button. Turn on the Wi-Fi Display function of the TV;

2. Next, turn on the phone and enter the WLAN setting interface. Press the menu key in the lower left corner of the phone to pop up the menu options. Find WLAN Display and click to enter;

3. After entering the WLAN Display interface, click the search button at the bottom to start searching. After searching, you can see the wifi signal sent by the TV. Click on the wifi signal to start establishing a connection; after the service establishment is completed, it will display that the service has been established;

4. After the connection is established, the content displayed on the mobile phone will be displayed on the TV simultaneously.

Extended information:

Screencasting is divided into two modes.

1. Push mode

is mainly used to cast videos and music. After casting, the phone can be closed or chat on WeChat, and the TV will not stop playing. You can play with your mobile phone and watch TV at the same time. The most common is the tv button in video software.

The principle of screen projection push: The principle is that after the mobile phone and TV are connected to the same wifi, the data is transmitted through the screen projection protocol. (Just like a dedicated channel like Bluetooth). Click the screen casting button, and the phone will start to search for screen casting broadcast services in the wifi.

After the mobile phone searches for the TV, the mobile phone will send a video address to the TV. After the TV receives the address, it will start playing. After casting, the mobile phone can control the TV's progress, pause, next episode, volume and other commands.

The screen mirroring protocols include DLNA protocol, airplay push protocol, and lelink protocol (including the above two)

Mirror mode

It is to mirror the mobile phone screen or the computer screen; It's the same screen display. It is mainly used to screen mobile PPT, mobile desktop, King of Glory and other mobile games; to screen Taobao WeChat, Douyin and other APPs that currently do not have screen casting functions. The screen mirroring of Apple phones, the multi-screen interaction of Android phones and the mirroring function of Lebo Screen Mirroring mobile version all belong to the mirroring mode.

Principle: The same relies on the LAN wifi channel. After the mobile phone searches for the TV and starts mirroring, the mobile phone will continue to take screenshots or record the screen. Record the screen on the phone and usually send it to the TV. The speed is super fast, more than 60 frames per second. After the TV receives it and displays it, it becomes a same-screen function.

Mirror protocols include: miracast (difficult to use, abandoned, not using wifi transmission), airplay mirroring (Apple's, wifi LAN transmission). lelink mirroring (LeBo screen projection, wifi LAN transmission, also supports airplay mirroring).

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