Chapter 4
System Operation
4-24
HD NVR User Manual
4-5
Viewer
4-5-1 Brief of the Viewer
The viewer is the main operation unit of the HD NVR Manager. Not only the viewer
plays the live image from multiply ways, like general camera, PTZ camera, 180 or
360 degree IP Dome camera, sub channel, ROI, channel icon in the map, , but also the
viewer offers the functions of historical image playing, image seeking, retrieving, as
well as motion detection.
A viewer is composed of the channel image, the on -screen display (OSD), and four
indicators. When the user activates the sub channel or the ROI function, the viewer an
associated area in a colored rectangle will be showed in the viewer.
The following figure displays all relative details of the viewer.
Figure 4-18 Brief of the Viewer
NOTE: The viewer with the white frame in a pattern
is regarded as the active viewer.
The following section will introduc e all detailed functions of the viewer.
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