AVer IWH5000 series - Manual (Page 183)

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 iPOS Database Setting
Enable Multiple windows for viewing multi-channels of iPOS live data. To save the iPOS live data
window position on the preview mode, mark the Save Window Position. To select all channels,
mark All check box.
(10) UPS (Uninterruptible Power Supply)
Protect the system from damaging, such as power surges or brownouts. This automatically gives
time to close the DVR properly when the battery backup power has reached the Shutdown when
capacity below percentage level setting. The UPS device must be connected to your DVR server.
User can set the UPS capacity percentage to shutdown DVR if the regular power still not support.