How to check if the remote control is sending an infrared signal

Release time:

2022-05-13

There are five or six remote controls in many families. Sometimes the remote control is broken but you can't check the problem, and you can't do anything about it. Most remote controls use infrared light to transmit signals. The human eye cannot see this light, but the camera can. You can follow the procedure below to learn how to detect infrared signals from a remote control. bluetooth remote

step

1 Bring all the malfunctioning remote controls in your home, and a mobile phone or digital camera with a camera together.

2 Turn on the digital camera, you just need to check the digital screen carefully when doing the following process.

3 No need to turn off the lights (but may allow you to see the infrared light more clearly).

4 Point the remote control at the lens as you would normally point at the TV.

5 Press and hold either button and look at the camera lens together. Note: Some buttons may not transmit signals by default. Test the key first.

6 Press and hold the button of the remote control and investigate the lens together. If you find a blue light spot, it means that the infrared signal transmission is normal, or there may be a problem with the direct connection between the remote control and the TV (if it is a universal remote control, You need to set it to the TV's receiving channel, if it's not universal, maybe you're just not aiming the TV correctly). TV remote control

hint

This tutorial will also teach you to detect infrared light probes and automatic infrared sirens (AIR), but not for cheap, common forced IR sirens.

If the above process fails, check the article on the remote control.

Change the battery and try again.

Try the universal remote.

Another person should be asked to press the remote button and you to look at the camera.

Classification of remote controls

How to use the TV remote control How to use the TV remote control

Classification of remote controls

How to use the TV remote control How to use the TV remote control

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