Manual

User Manual of Network Video Recorder
102
6.2 Auxiliary Functions of Playback
6.2.1 Playing Back Frame by Frame
Purpose:
Play video files frame by frame, in case of checking image details of the video when abnormal events happen.
Steps:
• Using a Mouse:
Go to Playback interface.
If you choose playback of the record file: click button 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 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 (for DS-8600NI-E8 and DS-7700NI-E4(/P) models):
Rotate and hold the outer ring on Jog Shuttle counter clockwise 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 Digital Zoom
Steps:
1. Click the button on the playback control bar to enter Digital Zoom interface.
2. Use the mouse to draw a red rectangle and the image within it will be enlarged up to 16 times.
Figure 6. 22 Draw Area for Digital Zoom
3. Right-click the image to exit the digital zoom interface.