The thermal camera and software are ready for use in just a few steps. Here, measurement distances, which result from the device configuration, have to be kept exactly in order to avoid errors during screening itself and thus to be able to achieve a reliable result: 1. Choosing a suitable screening position, 2. setting up the system, 3. powering up the system, 4. confirm or configure the alarm set points, 5. start of the screening process, 6. if the temperature is above the alarm set point.