1. The temperature mode is used to measure the body temperature and to make dynamic compensation from the ambient temperature and the surface temperature of the forehead. 2. According to the environmental temperature, measuring distance, specific individual skin differences and other factors, the temperature offset value can be corrected by the target measurement, the correction range is -0.5 degrees C to 0.5 degrees C, the factory setting is the default. 9Calibration method: press the upper key and the lower key at the same time, then press the measurement switch, the F2 mode typed status, press the upper or lower key to modify the gain value, press the measurement switch to exit this calibration mode.