HIKVISION DS-7200 User Manual page 106

User Manual of DS-7200/7300/8100 Series DVR
Figure 6. 7 Select Channels for Synchronous Playback
6. Event playback interface.
The toolbar in the bottom part of Playback interface can be used to control playing process.
Figure 6. 8 Interface of Playback by Event
Pre-play and post-play can be configured for the 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 you set to play back after the event. For example, when an alarm triggered the
recording ends at 11:00, if you set the post-play time as 5 seconds, the video plays back till 11:00:05.
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