1. Function introduction
When the remote sends the IR signal, it can’t be seen by the naked eye, but can be seen through the camera.
This method can help to check if the Bluetooth remote control is currently in infrared mode or Bluetooth mode, and it can also test if the infrared remote control can work normally.
2. Operation
Step 1: Turn on the smartphone camera and point to the front of the remote.
Step 2: Press any button on the remote while looking at the smartphone screen. You can see a light or flash coming from the remote.
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How to test if the Bluetooth function of the remote control is working properly？
