Carrier ComfortChoice Edge Owner's Manual page 11

Setting time and date
6. To set the month, press the soft button below the letter M (month), then
press the up or down button to adjust the value. Stop at the desired month.
7. To set the day of the month, press the soft button below the letter D
(day), then press the up or down button to adjust the value. Stop at the
desired date.
8. To set the year, press the soft button below the letter Y (year), then
press the up or down button on the right. Stop at the desired year.
9. Close the door.
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