User Manual

Table Of Contents
Network Video Recorder User Manual
53
4.3.4 Switch between Main Stream and Sub-Stream
You can switch between the main stream and the sub-stream during the playback.
Icon
Description
Play the video in main stream.
Play the video in sub-stream.
Note
The encoding parameters for the main stream and sub-stream can be configured in Storage
Encoding Parameters.
4.3.5 Thumbnails View
With the thumbnails view on the playback interface, you can conveniently locate the required
video files on the time bar.
In the playback mode, position the cursor on time bar to get preview thumbnails.
Figure 4-13 Thumbnails View
You can click a thumbnail to enter the full-screen playback.
4.3.6 Fisheye View
The device supports the fisheye camera expansion in Live View or playback mode.
Before You Start
The fisheye expansion view feature is supported only by the
The connected camera must support the fisheye view.
Steps
1. Start live view, click to enter the fisheye expansion mode.
2. Select the expansion view mode.
180° Panorama ( )Switch the Live View image to the 180° panorama view.360° Panorama
( )Switch the Live View image to the 360° panorama view.PTZ Expansion ( )The PTZ
Expansion is the close-up view of some defined area in the fisheye view or panorama expansion.
It supports the electronic PTZ function, also called e-PTZ.Radial Expansion ( )In radial
expansion mode, the whole wide-angle view of the fisheye camera is displayed. This view mode
is called Fisheye View because it approximates the vision of a fish’s convex eye. The lens
produces curvilinear images of a large area, while distorting the perspective and angles of
objects in the image.