We'll now set the date, you can change the US/EU mode now. In this example, we'll have US mode but of course EU is the same except that the day and month are swapped

Press MENU to enter the configuration menu. Press MENU again twice to advance to Set Date

Press SET to begin setting the time. Press + to increment the month (in US mode) or day (in EU mode). Press SET to advance.

Press + to increment the day (in US mode) or month (in EU mode). Press SET to advance.