Set the temperature display to show either Fahrenheit (8) or Celsius (7) units.
Turn the appliance on.
Press the Function button.
Press the L or M button until the below icon flashes at the display screen. Then press the Function button.
Press the L or M button to set either Fahrenheit (8) or Celsius(7) units.
Each time button pressed, the function changes in this order: 7 & 8
Then press the Function button.