QNAP Security VioStor CMS (Version: 1.0.1) - Manual (Page 38)

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The system overview page will be opened. Select the overview period from the drop-down
menu on the top right corner. The system can display system details for up to seven days.
Click “Learn more” under each item to view the details.
The system overview page contains the following information:

Alarm: Alarm input, dynamic motion event information, and charts.

User account: user account related information, such as login failed, never logged in,
and the total number of user accounts.

NVR connection status: Information about the number of NVRs that have never been
disconnected and have been disconnected, and the total.

IP camera connection status: Information about the number of cameras that have
never been disconnected and have been disconnected, connection failure, and the
total.

NVR system status: Information about the number of hard disk failure, fan failure, and
the total.

Real-time status: Online users/total users, online NVRs/total NVRs, and online
cameras/total cameras.
Note:

Besides the real-time information, all other information provided is the records
from the previous seven days.

If a NVR is deleted, its records will also be permanently deleted and its logs will no
longer be available.