User Guide
30 
SETUP 
over variable-latency data networks. 
PRIMARY SNTP SERVER: Input the address of the primary NTP time-server. 
SECONDARY SNTP SERVER: Input the address of the secondary NTP time-server.
TIME  ZONE:  NTP  synchronizes  with  GMT  (Greenwich  Mean  Time)  regardless  of 
geography, user must set their own time difference.   
CONNECTON  MODE:  Select  the  NTP  time-server  connection  mode  from  TIME, 
INTERVAL, and ONCE. 
CONNECTION PERIOD 
-  TIME – Refresh the time at the designated time (e.g. 1AM) 
-  INTERVAL – Every 1 hour ~ 24 hours 
-  ONCE –  Synchronizes time only  once. NTP will not synchronize  unless the 
Connection Mode is changed. 
  Sends  E-MAIL  Notification  when  the  NTP  server  time  is  faster  than  the 
system time with bellow message. 
“NTP server time is faster than the system time. 
In this case, NTP server time is ignored to protect the user data. 
User must set the time manually. 
SYSTEM TIME: Mon Oct 10 13:46:49 2011 
SERVER TIME: Mon Oct 10 13:33:12 2011 
DVR ID: DVR 
IP ADDRESS: 172.16.2.46 
SEND EMAIL 
SERVER TYPE: Select GMAIL, HOTMAIL, AOL, YAHOO or MANUAL)   
MAIL SERVER: Enter the appropriate mail server information.   










