“I just plugged it in and I can't get it to change the display from Celsius to Fahrenheit. Am I missing something? Do I need to wait for it to reach operating temperature?”

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• Push the temperature up and down buttons at the same time.

  Answered by Jerry 8 years ago

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• you have to hold the up and down at the same time. it will then flash and you can change

  Answered by krstna169 9 years ago

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