QNAP Security VioStor NVR (Version: 3.3.2) - Manual (Page 77)

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The following options are provided under the ‘Video’ tab.
Video Streaming

Stream from the server: If you cannot connect to the IP camera from your computer,
select this option and the video will be streamed from the NVR. This option does not
require extra port mapping configuration; but may influence the performance of the
NVR.

Stream from IP camera: If the NVR and the IP cameras are located on the same LAN,
select this option to stream the video from the IP camera. Note that you need to
configure the port forwarding settings on the IP cameras if the NVR, IP cameras, and
the computer are located behind a router, a virtual server, or a firewall.
Video Windows
a. Highlight the video window when an event is triggered: The video window will flash if an
event is triggered.
b. Display unauthorized channels: Select this option to show the channels that the user
does not have the access right to monitor.
c. Display unconfigured channels: Select this option to show the channels that have not
been configured.