This is how you check the functionality of the LEDs:
You can easily check the functionality of the infrared LEDs with your mobile phone.
- Make sure you are in a dark environment
- Open the camera of your mobile phone
- Point the mobile phone at the game camera
- Take a test photo with the wildlife camera
- On the screen of your mobile phone you should see the LEDs light up
Look through your mobile phone in the dark when the camera triggers for a picture. Then the 940nm flash is visible.
In the following picture this is shown with the icuhunt (3G model)