Dahua DH-XVR54 L-I2 Series User Manual page 154

Playing Back Time before the Tag
You can configure to play N seconds of the tagged video before the tagged time.
In the Tag Name box, enter the name of a tagged video.
In the Interval Before Tag box, enter N seconds.
Click
The playback starts from N seconds before the tagged time.
If there is N seconds exist before the marked time, the playback starts from N seconds before the
tagged time. If there is not, it plays back as much as there is.
Managing Tagged Video
On the Tag List page, click
Be default, it manages all the tagged videos of the selected channel.

To search the tagged video, select channel number from the Channel list, enter time in Start

Time box and End Time box, and then click Search.
All the tagged videos display in time order.

To modify the name of tagged video, double-click a tagged video.

To delete the marked video, select the tagged video, and then click Delete.

After opening the Tag Management page, the playback will pause until exiting this page. If the
marked video that was in playing back is deleted, the playback will start from the first tagged video
in the Tag List.
.
.
Tag management
143
User's Manual