Auxiliary Functions Of Playback; Playing Back Frame By Frame; Digital Zoom; Reverse Playback Of Multi-Channel - HIKVISION Network Video Recorder User Manual

User Manual of DS-7100NI Series NVR

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:
Go to Playback interface.
If you choose playback of the record file: click button
on the playback screen represents playback of one frame.
If you choose adverse playback of the record file: click button
one click on the playback screen represents adverse playback of one frame. It is also feasible to use button
toolbar.

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.
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 8-ch (with 4CIF resolution) simultaneous adverse
Figure 6. 21 Draw Area for Digital Zoom
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until the speed changes to Single frame and one click
until the speed changes to Single frame and
in