Dahua NVR1A-4P Series User Manual

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playback, you can use time or the mark key words to search corresponding record and then play. It is very
easy for you to get the important video information.
 Add Mark
When system is playback, click Mark button , you can go to the following interface. See Figure 4-75.
Figure 4-75
 Playback Mark
During 1-window playback mode, click mark file list button in Figure 4-71, you can go to mark file list
interface. Double click one mark file, you can begin playback from the mark time.
 Play before mark time
Here you can set to begin playback from previous N seconds of the mark time.
Note
Usually, system can playbacks previous N seconds record if there is such kind of record file. Otherwise,
system playbacks from the previous X seconds when there is such as kind of record.
 Mark Manager
Click the mark manager button on the Search interface (See Figure 4-71); you can go to Mark
Manager interface. See Figure 4-76. System can manage all the record mark information of current
channel by default. You can view all mark information of current channel by time.
Figure 4-76

Dahua NVR1A-4P Series Specifications

General

Brand	Dahua
Model	NVR1A-4P Series
Category	DVR
Language	English