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VIVOTEK
User's Manual - 33
System Time
Keep current date and time: Select this option to preserve the current date and time of the Network
Camera. The Network Camera’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 Network Camera 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 Network Camera 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 File on page 112 for details.
DI and DO
You can connect DI or DO lines to the camera and let camera detects the current state. You then
congure which is the active state of a DI/DO pin.
Digital input: Select High or Low to dene normal status for the digital input. The Network Camera will
report the current status.
Digital output: Select Grounded or Open to define normal status for the digital output. The Network
Camera will show whether the trigger is activated or not.