Troubleshoot & FAQ (DHF1)

How to change to Fahrenheit or Celsius
To change to Fahrenheit or Celsius, you can locate a button on the back of the unit to toggle between the two scale of temperatures.



Battery type
This unit uses one CR2032 battery.



"LL" is displayed
"LL" indicates that the thermometer is outside of its temperature range. For normal operation, the temperature range is -4° to 122°F (-20° to 50°C). 

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