We will see [Calculator] when you open [External program management] over again:
4.7.2 Connect to Time Attendance Machine
Click [External]-[Connect to Time Attendance Machine] springs the communication
interface between the software and the machine which can control the current machine
connected with the computer, it can collect the records from the machine, upload and
download employee info & clear the old data & modify the time on the machine. Find
detail on clause《Time and attendance management & communication》.
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