HIKVISION DS-8600 - Digital Zoom; Reverse Playback of Multi-Channel

User Manual of DS-9600/8600/7700/7600 Series NVR
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6.2.3 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. 26 Draw Area for Digital Zoom
3. Right-click the image to exit the digital zoom interface.
6.2.4 Reverse Playback of Multi-channel
Purpose:
You can play back record files of multi-channel reversely. Up to 16-ch (with 1280*720 resolution) simultaneous
reverse playback is supported; up to 4-ch (with 1920*1080P resolution) simultaneous reverse playback is
supported and up to 1-ch (with 2560*1920 resolution) reverse playback is supported.
Note: We use the interface of DS-7700NI-ST series (unless stated) as example to describe the following settings.
Steps:
1. Enter Playback interface.
Menu>Playback
2. Check more than one checkboxes to select multiple channels and click to select a date on the calendar.