Please contact your local service engineer or our sales person for help. We can guide you to solve this problem.
Please download the full manual and follow chapter 18.104.22.168.1 to create a server certificate.
Please download the full manual and follow chapter 22.214.171.124.2 to download a root certificate.
Please make sure your PC time is the same as the device time.
to select corresponding channel type and then restart the DVR.