HIKVISION DS-7104HGHI-SH User Manual page 103

If several channels are triggered, clicking
checkbox to select one channel for playback or select multiple channels for synchronous playback.
The max. number of channels for synchronous playback supported varies to different models.
Figure 6. 6 Select Channels for Synchronous Playback
6. Event playback interface. You can select the main stream or sub stream from the dropdown list for playback.
The toolbar in the bottom part of Playback interface can be used to control playing process.
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
Digital Video Recorder User Manual
button takes you to the synch playback interface. Check
Figure 6. 7 Interface of Playback by Event
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