Wellion Galileo GLu/KET Owner's Manual page 12

Step 2: Release the OK button and the meter will show the
current date and time. If you are setting the date and time for
the first time, the month will now start flashing to indicate you
are in date and time set-up mode. If you are changing the date
to enter date and time set-up mode.
Step 3 - Set Month: The current month will flash. Use the arrow
buttons to select the correct month. Press the OK button to
confirm your choice and advance to set the day.
Step 4: Set Day: The current day will flash. Use the arrow
buttons to select the correct day. Press the OK button to
confirm your choice and advance to set the year.
Step 5: Set Year: The current year will flash. Use the arrow
buttons to select the correct year. Press the OK button to
confirm your choice and advance to set the hour.
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