This funnnction can restore system to orignal installment status, the
follow is detailed step:
Click initial system menu,this pop-up window is follow
Caution:if confirm your selected,the system will clear all staff's data
and all attendance data. Before this operation you must be carefully.
Click (yes (Y)) button, the system will clear all data, and return initial
status just system install.
Click (No (N)) button, the system return main menu without clear data.