Technical Manual

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After your system has been used for a period of time, a big amount
of obsolete data are saved in the database, which not only occupy hard
disk space but also affect operation speed. Then you can clear these
useless data by using this function.
When clearing attendance clock-in and attendance exception records,
you are required to back up clock-in data to files. You can click
corresponding txt input box to type file name,or click
button to
confirm your data file’s saving path and file name, notice that you should
choose a new filename, if the name has existed the system will suggest
you to define a new filename
Input the close date of the data that you want to clear in close date
box, and the close date should be ten days before the current day you will