Dahua NVR52-4KS2 Series User Manual page 231

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5.8.2.3 Smart Search Playback
Background Information
This function is for some models only.
During the playback process, the system can analyze the motion detection zone in the scene and
give the analysis result.
Function
Smart search.
See "5.8.2.3 Smart Search Playback" for detailed information.
Smart motion detection. You can click the icon to select a human or motor
vehicle, and the system plays detected videos of the person or motor vehicle.
Human and motor vehicle can be selected at the same time.
Click the snapshot button in the full-screen mode to take one snapshot.
System supports custom snap picture saved path. Connect the peripheral
device first, click snap button on the full-screen mode, you can select or create a
path. Click Start button, the snapshot picture can be saved to the specified
path.
Mark button.
This function is available on select models. Make sure there is a mark button in
the playback control pane.
See "5.8.2.9 Tag Playback" for detailed information.
Display and hide POS information.
In 1-channel playback mode, you can click it to display/hide POS information on
the video.
In 1-channel playback mode, click it to enable or disable display IVS rule
information on the video.
This function is for some series only.
Picture search. For details, see "5.6.3.7 Picture Search".
Quick pick. For details, see "5.6.3.8 Quick Pick".
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AcuPick. For details, see "5.8.2.4 AcuPick".
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Both one-channel and multiple-channel playback mode support AcuPick.
Click the icon to accurately search for the target.
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User's Manual