IC Realtime Specialty: Interrogator DVR - a DVR for law enforcement User Manual
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In Figure 7-37, you need to input server IP, port and update interval. You can select 
time zone from the dropdown list. Please refer to the following sheet. 
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
Figure 7-37
Enable DDNS
You need a PC of fixed IP in the internet and there is the DDNS software running in this 
PC. In other words, this PC is a DNS (domain name server).see Figure 7-38. 
Please enable DDNS function and then input PC IP. Click save button and then reboot 
device. Now you can login via DDNS. Please open IE and then input http://(DDNS 
server IP)/ DDNServer / default.htm. for example, input http:
//10.5.2.149/DDNServer/default.htm, you open a DDNS server web page.