User Manual
Table Of Contents
- Revision History
- Overview
- Accessing the Video Server
- Main Page
- Client settings
- Configuration
- System
- Security
- HTTPS (Hypertext Transfer Protocol over SSL) 
- SNMP (Simple Network Management Protocol) 
- Network
- Express link
- DDNS
- Access list 
- Digital I/O
- Audio and video
- Motion detection
- Camera tampering detection
- Camera control
- Homepage layout 
- Application 
- Recording > Recording settings 
- Local storage > SD card management
- Local storage > Content management
- System log 
- View parameters 
- Maintenance
- Appendix
VIVOTEK
User's Manual - 27
System time
Keep current date and time: Select this option to preserve the current date and time of the Video server.
The video server’s internal real-time clock maintains the date and time even when the power of the
system is turned off.
Sync with computer time: Select this option to synchronize the date and time of the video server with the
local computer. The read-only date and time of the PC is displayed as updated.
Manual: The administrator can enter the date and time manually. Note that the date and time format are
[yyyy/mm/dd] and [hh:mm:ss].
Automatic: The Network Time Protocol is a protocol which synchronizes computer clocks by periodically
querying an NTP Server.
NTP server: Assign the IP address or domain name of the time-server. Leaving the text box blank
connects the video server to the default time servers.
Update interval: Select to update the time using the NTP server on an hourly, daily, weekly, or monthly
basis.
Time zone
Advanced Mode
: Select the appropriate time zone from the list. If you want to upload
Daylight Savings Time rules on the Maintenance page, please refer to Upload / Export daylight saving
time conguration le on page 102 for details.