User Manual

DS-720xHTI-Kx DVR User Manual
UM DS-720xHTI-Kx 012918NA 77
Figure 6-7 Select Channels for Synchronous Playback
6. On the Event Playback interface, select main stream or sub-stream from the Playback drop-down list.
The toolbar in the bottom of the Playback interface can be used to control the playing process.
Figure 6-8 Playback by Event Interface
Pre-play and post-play can be configured for playback of event triggered record files.
• Pre-play: The time you set to play back before the event. For example, when an alarm triggered the
recording at 10:00, if you set the pre-play time as 5 seconds, the video plays back from 9:59:55.
• Post-play: The time to play back after the event. Example: When an alarm triggered recording ends
at 11:00, if you set the post-play time as 5 seconds, the video plays back until 11:00:05.
7. Click or to select the previous or next event.