QNAP Security VioStor NVR (Version: 4.1.2) - Manual (Page 111)

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Right click the channel on the playback page. The following functions are available
depending on the IP camera model.
1. Dewarp fisheye images: for Vivotek FE8171V/ FE8172
Right click the channel and enable the function. After that, you can select Mount type,
including wall, ceiling, and floor and then select Dewarping mode, including Panorama
(Full View), Panorama (Dual View), and Rectangle.
Remark 1: The camera firmware version should be v0100h or above. About the latest
camera firmware, please visit http://www.vivotek.com/index.php.
Remark 2: If the Mount type is Wall, only Panorama (Full View), and Rectangle are
supported in Dewarping mode.
Remark 3: If Dewarping mode is Rectangle, you can use PTZ control panel to operate
PTZ functions, excluding digital zoom.
2. Dewarp panomorph images: for the specific camera models with panomorph lens
Before using this feature, you need to select the ‘Enable panomorph support’ option in
the recording settings page. Right click the channel and enable the function. After
that, you can select Mount type, including wall, ceiling, and floor and then select
Dewarping mode, including Perimeter mode, Quad mode, and PTZ mode.
Remark 1: To know the camera models which can be installed with panomorph lens,
please visit http://www.qnapsecurity.com/faq.asp.
Remark 2: The function is only available when the resolution of the video stream is
higher than 640x480 on the monitoring page.
Remark 3: If Dewarping mode is PTZ mode, for the channel, you can use PTZ control
panel or mouse (by clicking and holding down the mouse left button, and then moving
the mouse or turning the mouse wheel) to change viewing angles or zooming in/out
the screen. If Dewarping mode is Quad mode, the above methods can also be applied
to operate PTZ functions in each divided screen.