3. Use A (+) and C 
| Temperature | 0.1°C | 
| Barometric Pressure | 1 hPa | 
•Pressing A and C at the same time returns to the factory calibration (OFF).
4.Press E to return to the Barometer/Thermometer Mode screen.
3. Use A (+) and C 
| Temperature | 0.1°C | 
| Barometric Pressure | 1 hPa | 
•Pressing A and C at the same time returns to the factory calibration (OFF).
4.Press E to return to the Barometer/Thermometer Mode screen.