Check remote by IR remote Test whether it's working or detect the actual problem
An IR Remote Tester Control sends out a signal using Infrared light. You cannot see this light with your eyes, but by using a camera app with filter you can see the signal.
To check if your IR Remote is sending a signal, follow the steps below:
Pick a device to use:
>Turn the IR Remote Tester app on.
>After open of the IR Remote Tester app.
>Point the end of the remote control with the IR emitter.
>Look at the viewfinder or LCD screen.
>Press and hold one of the buttons on the remote control.
>If the remote control is sending a signal, you should see a light in the viewfinder or cell phone screen when you press buttons on the remote control.
> If the transmitter is visible
The remote control is normal.
>If the transmitter is not visible
The battery is dead or the remote control may be damaged.
>Depending on whether the transmitter is visible or not, follow the instructions below:
If the light of the remote control transmitter is not visible when any button is pressed, there is a possibility the batteries are spent. Switch to new batteries and check whether or not the transmitter lights up.
>>NOTE: Insert a battery consistent with the + pole and - pole according to the indication.
If the symptoms do not improve, the remote control may be broken.
You can also test each of the buttons on the remote by pressing them one at a time and checking to see if you see a light from the emitter.
>>NOTE: If you see a light when no button is pressed, one of the buttons on the remote may be >stuck and preventing other buttons from working. If this is the case:
>Remove the batteries.\n
>Press and release each button a couple of times to see if you can free the stuck button.
>Replace the batteries and test the remote again.
>If you continue to see a light when no button is pressed, the remote control may need to be replaced.
>If it does not light up when its specific button is pressed, the button may be broken.
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