QNAP Security VioStor NVR (Version: 4.1.2) - Manual (Page 87)

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The following options are provided under the ‘Video’ tab.
Video Streaming
Stream from the server: If the IP camera cannot be connected from the 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 the port
forwarding settings on the IP cameras must be configured if the NVR, IP cameras, and
the computer are located behind a router, a virtual server, or a firewall.
Video Windows
Highlight the video window when an event is triggered: The video window will flash if an
event is triggered.
Display unauthorized channels: Select this option to show the channels that the user
does not have the access right to monitor.
Display unconfigured channels: Select this option to show the channels that have not
been configured.
Decoder
Select this option to multithread decode H.264 video streams when 1 or 4-channel view is
in use.