Contraindications: none. Large size LCD screen, high brightness back light, display clear and soft;. Press ‘set’ button for 2 seconds, the screen shows Fl, press “set” button once to enter F2, then press “+” button to increase the temperature value by 0.1°C (0.1°F), and press “-” button to decrease the temperature value by 0.1°C (0.1°F).
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