Digital Video Recorder User Manual 
 
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6.2.2  Digital Zoom 
Step 1 Click the    button on the playback control bar to enter Digital Zoom interface. 
Step 2 Use the mouse to draw a red rectangle and the image within it will be enlarged up to 16 
times. 
 
Figure 6-24 Draw Area for Digital Zoom 
Step 3 Right-click the image to exit the digital zoom interface. 
6.2.3  Reverse Playback of Multi-Channel   
Purpose 
You can play back record files of multi-channel reversely. Up to 16-ch simultaneous reverse 
playback is supported.   
Step 1 Enter Playback interface. 
Menu>Playback 
Step 2 Check more than one checkboxes to select multiple channels and click to select a date on 
the calendar.