There is a face detection frame in the visible image, but there is no temperature.

1. Check if to turn on human body temperature measurement;

2. Check if there is three-point calibration.

3. Check if there is a face square in the thermal image (the face detection area is beyond the thermal field);

4. Check if the face square color of visible image is blue. If it’s blue check if you have enabled ‘abnormal temperature display’

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