LG ProBeam BF50NST Manuel D'utilisation page 66

Controlling Your Projector with the LG TV Plus App
You can tap the buttons on your smart device's screen to control the projector.
You can use the same functions as the Magic Remote's pointer and arrow
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keys.
You can adjust the volume, or make other adjustments without using the
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remote control.
You can open an app installed on your projector or conigure settings for
3
functions such as switching input.
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Some controls may be limited in external input mode.
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The app's screen and functionality are subject to change without prior notice.
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Available features may differ depending on your country and OS.
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The TV-related functions will not work.
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