Automatically remove all file in the controller, and update the document list.
6> Cal time
Motherboard supports processing files towards hours worked. Select the file to
calculate the work hours worked and click the button. Calculation to be completed, the
control panel will be prompted to complete the calculation. And then point to read button
shown in the list, calculated from the working hours.
In addition, when the document processing operation performed, the hours
information will also be covered by the actual processing work.
