Plusmed plusSCAN Mode D'emploi page 27

Measuring Temperature
6. The LCD screen displays "Lo" or "Hi" when the temperature
measured is outside of the thermometer's sensory range.
7. The mark "Err" appears if the operating temperature is outside
of the permissible range 16°C to 35°C (60.8°F to 95°F).
8. After one minute of idling, the device automatically powers itself
off to conserve battery life.
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