DVR systems DVRxx04HF-A Series - Manual (Page 85)

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IP filter interface is shown as in Figure 5-11. You can add IP in the following list. The list
supports max 64 IP addresses.
Please note after you enabled this function, only the IP listed below can access current DVR.
If you disable this function, all IP addresses can access current DVR.
Figure 5-11
5.3.5.3 NTP Setup
You need to install SNTP server (Such as Absolute Time Server) in your PC first. In Windows XP
OS, you can use command “net start w32time” to boot up NTP service.
NTP setup interface is shown as in Figure 5-12.
z
Host IP: Input your PC address.
z Port: This series DVR supports TCP transmission only. Port default value is 123.
z Update interval: minimum value is 1. Max value is 65535. (Unit: minute)
z Time zone: select your corresponding time zone here.
Here is a sheet for your time zone setup.
City /Region Name Time Zone
London GMT+0
Berlin GMT+1
Cairo GMT+2
Moscow GMT+3
New Deli
GMT+5
Bangkok GMT+7
Beijing (Hong Kong)
GMT+8
Tokyo GMT+9
Sydney GMT+10
Hawaii GMT-10
Alaska GMT-9
Pacific Time(P.T)
GMT-8
American Mountain Time(M.T) GMT-7
American Central Time(C.T) GMT-6
American Eastern Time(E.T) GMT-5
Atlantic Time GMT-4
Brazil GMT-3
Middle Atlantic Time
GMT-2