Setting the clock: Pull the button. The clock indication flashes. The clock indication can be changed by turning the button to the left or to the right, respectively.
Setting the minutes: Pull the button several times until the minutes display starts flashing. The minutes display can be changed by turning the button to the left or right, respectively.
Setting the date: Pull the button several times until the day, month or year indication starts to flash. By turning the button to the left or, respectively, to the right, the day, month and year indication can be changed.
Displaying or deleting the date: Pull the button several times until the date display starts to flash. Turn the button left or right to delete or display the date display, about 15 seconds after pressing the setting button, the adjustment process is completed.