Keep pressing        button for 4 secs to enter Setting current 
time mode. 
1
Press     key to adjust the current day.
2
Press     key to move to AM/ PM setting mode  
(the 'AM/ PM segment will flash).
3
Setting AM/ PM value by pressing     button.
4
Press     button to move to 'Hour' setting mode. 
(the 'Hour' segment will flash)
5
Setting Hour value by pressing        button.
6
Press     button to move to 'Minute' setting mode. 
(the 'Minute' segment will flash)
7
Setting Minute value by pressing       button. 
8
Press     button to finish.
9
In the process, press        button to release and exit from setting 
mode. (In case of exit with incomplete information, it will return to 
the previous setting 
10