User Manual

UM DS-90xxHUHI-F8/N User Manual 041717NA 75
• Pre-play: The time set to play back before the event. For example, if an alarm triggers the
recording at 10:00, if the pre-play time is set to 5 seconds, the video will play back from 9:59:55.
• Post-play: The time to play back after the event. For example, if an alarm triggers the recording to
end at 11:00, if the post-play time is set as 5 seconds, the video will play back till 11:00:05.
8. Click the or button to select the previous or next event.
13.4. P
laying Back by Tag
Video tags allow you to record related information such as people and locations at a certain time point
during playback. You can also use video tag(s) to search for record files and position time points.
13.4.1. Before Playing Back by Tag
1. Enter the Playback interface, Menu > Playback.
2. Search and play back the record file(s).
Figure 112, Interface of Playback by Time
3. Click button to add default tag.
4. Click button to add customized tag and input tag name.
Figure 113, Add Tag
NOTE: Maximum of 64 tags can be added to a single video file.