User manual
User Manual of Digital Video Recorder 
110 
6.2  Auxiliary Functions of Playback 
6.2.1  Playing Back Frame by Frame 
Purpose: 
Play video files frame by frame, in order to view the image details of the video when abnormal events occur. 
Steps: 
•  Using a Mouse: 
Go to Playback interface. If you choose playback of the record file: click button   and   until the 
speed changes to Single frame and one click on the playback screen represents playback of one frame. If you 
choose reverse playback of the record file: click button   and    until the speed changes to Single 
frame and one click on the playback screen represents reverse playback of one frame. It is also feasible to 
use button   in toolbar. 
•  Using the Front Panel: 
Rotate and hold the outer ring on Jog Shuttle counterclockwise (for DS-8100/8000-ST series only) or click 
the   button to set the speed to Single frame. One click on button  , one click on the playback screen or 
Enter button on the front panel represents playback or reverse playback of one frame. 
6.2.2  Smart Search 
Purpose: 
In order to locate motion detection or VCA events easily and accurately in the playback progress bar, you can 
analyze a certain area (scene) dynamically, and get all of the related motion detection or VCA events that 
occurred in this area. 
Before you start (for network cameras only): 
1.  Log in the IP camera via the web browser, and enable the intrusion detection by checking the checkbox of 
it. You may enter the intrusion detection configuration interface by Configuration> Advanced 
Configuration> Events> Intrusion Detection. 
Figure 6. 26 Setting Intrusion Detection on IP Camera 
2.  Configure the required parameters of intrusion detection, including area, arming schedule and linkage 
methods. Refer to the user manual of smart IP camera for detailed instructions. 
Steps: 
1.  Enter the Normal Playback interface, and start the playback. For details, see Chapter 6.1.2. 










