Question

how to see the infrared ray in T.V
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Answer 1

Answer:

Check if the IR remote control sends Infrared signals

1. Turn on your camera or the camera on your cellphone.
2. Point the end of the remote control with the IR emitter to the camera or camcorder lens or cellphone screen.
3. Press and hold one of the buttons on the remote control. ...
4. Look at the viewfinder or LCD screen