How do I change my G Pen Elite Between Fahrenheit and Celsius

For Celsius, simultaneously hold down front panel button and upper side button.

For Fahrenheit, simultaneously hold down front panel button and lower side button.

 

If you have any further questions please contact our Customer Service Department, which is available Monday through Friday, 8:00am to 5:00pm PST.

Email: info@grencoscience.com
Phone: (800) 948-7480

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