User Manual of DS-9600/8600/7700/7600NI-ST and DS-7700/7600NI-SP Series NVR
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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 adverse playback of the record file: click button
until the speed changes to Single frame and one
click on the playback screen represents adverse 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 counter clockwise (for DS-7700/8600NI-ST 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 adverse playback of one frame.
6.2.2 Digital Zoom
Steps:
1.
Right click the mouse on a channel under playback and choose Digital Zoom to enter Digital Zoom
interface.
2.
Drag and draw the red rectangle and the image within it will be quadrupled.
Figure 6. 33 Draw Area for Digital Zoom
