Phone screen mirroring settings

# 一、Demonstration of the use of the mobile phone screen projection function
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# 二、Easy to broadcast vision download<a href="http://www.eastai.com/portal/app/esj_download" target="_blank" style="color: #FFFFFF;background-color: blue;font-size: 14px;width: 149px;padding: 10px; border-radius: 5px; margin-left: 20px;">Click to download</a>
## 1、Use the screen projection mobile phone to download Yibo Vision
- <span style="font-size: 16px;">After downloading, log in for the first time and log in with the verification code, and the system will automatically register the account corresponding to the mobile phone number</span>

# 三、Settings for the use of the mobile phone screen projection function
## 1、Make sure that the same mobile phone number is logged in by Yibo Vision and the director
## 2、Ensure that the same wireless network connected to the broadcast station is connected to the broadcast station
## 3、You can choose the mode of projection according to your needs:
- <span style="font-size: 16px;">Local camera (will use the local camera to cast the screen to the live broadcaster, suitable for scenarios that require multiple cameras)</span>
- <span style="font-size: 16px;">Mobile screen - portrait screen (will use the real-time vertical screen of the machine to project the screen to the live broadcaster, suitable for teaching scenarios)</span>
- <span style="font-size: 16px;">Mobile screen - landscape screen (will use the real-time vertical screen of the unit to project the screen to the live broadcaster, suitable for game scenarios)</span>
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