D-Link JustConnect DNR-4020-16P User Manual page 141

Section 3 - Configuration
Sync NVR Time To Camera
On this page you can configure the cameras connected to the DNR-4020-16P to
automatically sync their time settings with the NVR's.
Sync Camera
Toggle this to enable time syncing with the connected cameras.
Time
Frequency of
Enter how often (in seconds) the NVR should sync its time
Checks
settings with its cameras' time settings.
D-Link DNR-4020-16P User Manual 136