Time & Date

Table of Contents

Time & Date
Time Server
System policy when time changes

This configuration adjusts time and date.

Time & Date Configuration Screen

Figure 5.13. Time & Date Configuration Screen


Time & Date

This item displays the date of the current system by format of 24 hours and calendar.

Time Zone indicates the timezone where the current system is located in, it effects to the daylight saving time and the time synchronization. You need to select area to change timezone.

Time Zone Area Selection Screen

Figure 5.14. Time Zone Area Selection Screen


The first city is selected in an alphabet order when the area is selected above timezone area. This city can be changed into the preferable city by clicking the city. The window will be disappeared and the time and date information will be applied by clicking Ok button.

Time Zone City Selection Screen

Figure 5.15. Time Zone City Selection Screen


Time Server

Time is important in the security device. It is configured with the network time server to get an accurate time. Local time is tend to slow slightly so the time server is preferred.

Supported time synchronization Protocols are NTP, Unix/Linux, Windows, Custom. NTP method uses network time protocol(ntpdate, 123 port), Unix/Linux method uses the time synchronization program(rdate, 37 port), Windows method uses the time synchronization from the windows server(net time, 139/445 port).

Time will be configured with specified server on Server a day by selecting Synchronize clock with internet server. This process is executed automatically and can be executed instantly by clicking Update now button from the time server.

System policy when time changes

The system will be restarted when time goes backward from the current system's one. The system will not be restarted when time goes forward, but the network connection and the recording will be stopped before the change of time and will be restarted after the change of time.

[Note] Note

Advancing time occurs few problem to system, turning back time can occur system malfunction. So, program will be restarted when time is turning back. System will be restarted when Update now button is clicked with same reason.

[Note] Note

Overlap of recorded data will be removed when time is turned back to avoid conflicting.