Tampering is a feature that enables you to detect when a camera is not recording what it is supposed to. For example when there is no light, the camera is obscured, there is an object occluding the view, the camera angle changed, no live data, etc...
Header contains the title of the page and the "Refresh" button, which is located on the right side. The page is not reloaded automatically, so you need to click the button to see updated information.
On the left side you can see a database of monitored cameras. Every record contains name of the camera, state, datetime of last check and source (location where it writes data). Cameras can have these states:
We have three tabs on this page: detail, background settings and help.
In the detail tab, you can see the latest image from camera as well as history of images.
You can add any of them as background to the camera by simply clicking "Add selected to backgrounds" button in the bottom right.
In the backgrounds settings tab, you can browse backgrounds for the camera,
remove them or upload new ones by clicking the respective buttons on the bottom of the tab.