AHD DVR User Manual
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4.3.3 NTP Setup
Picture 4.11 NTP
Server IP:
Enter the address of NTP server.
Port:
Default: 123. You can set the port according to NTP server.
Time zone:
London GMT+0; Berlin GMT +1; Cairo GMT +2; Moscow GMT +3; New Delhi GMT +5; Bangkok GMT +7;
Hong Kong Beijing GMT +8; Tokyo GMT +9; Sydney GMT +10; Hawaii GMT-10; Alaska GMT-9; Pacific time GMT-8;
American mountain time GMT-7; American mid time GMT-6; American eastern time GMT-5; Atlantic time GMT-4; Brazil
GMT-3; Atlantic mid time GMT-2.
Update Period:
The check interval about synchronizing system time with NTP server.
4.3.4 IP Filter
When choosing the trusted list, only the listed IP address can connect the DVR. If not in the list, it cannot connect the DVR.
Select the IP address in the list and click Delete IP button to delete it.