The device cannot connect with PC
Reason1 - Communication method not set correctly.
Solution1 - Select the correct communication method.
Reason2 - Cable not plugged firmly or cable hardware problem.
Solution2 - Plug the cable firmly or change to another cable.
Reason3 - Not able to connect COM (wrong COM No).
Solution3 - Please enter the right COM No.
Reason4 - Not able to connect TCP/IP (wrong setting).
Solution4 - Refer to the manual for connecting Time Attendance terminal.