When the mobile phone and the TV are in the mirror projection mode, because of the display proportion, the TV will not be full screen, and only part of the screen can be displayed in the middle in the vertical screen mode. 
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Bijie multi screen cooperation equipment rotates the screen through professional screen projector, and launched the solution of advertising machine screen projection, so as to meet the needs of current users. Bijie advertising machine wireless projection solution solves the flexible transformation from traditional information publishing system to intelligent information publishing system. It supports the flexible wireless projection of smart phones and PCs anytime and anywhere. The content update of advertising machine can also be updated in real time, and temporary advertising insertion is possible.
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only rotate the content on the display screen by 90 ° to become a horizontal screen display. Part of the top of the screen is black, which seriously affects the user experience. After improvement, the projector that can support free rotation must be equipped with automatic full screen function.
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through Bijie multi screen cooperation equipment, it is easy to realize mobile phone projection TV, full screen and horizontal screen.
1. Connect the projection box to the TV through HDMI cable;
2. Plug in the Internet cable to the projection box, or connect the mobile phone directly to the AP hotspot of the projection box (comes with WiFi, and supports 4G traffic while projecting the screen, which can be used normally even if there is no Internet at home.)
3. The mobile phone opens the browser – enter the IP address of the box – find the box – display – select the angle – one click full screen – save – exit.
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4. Then, the mobile phone throws the screen. (Android phones can use their own wireless projection screen, while Apple phones use their own screen image).
at this time, the picture on the screen is full screen and horizontal screen.