The equipment has a 2.4” 230x320 TFT screen and a 16x4 pixel thermal camera. connected directly to the main board and an independent 5v 3A power supply.
To start the equipment, the 5v 3A power supply must be connected to the Jack-DC input correspondent at the top left of the main board, finally you should check that the input Jumper (Fig.1) is correctly connected.
The equipment has a mechanical switch, it is used to retain the last value always measured and when it is pressed. When you release the button again, the device you should continue recording values