Comelit MT COMELIT VSC IP START SERIES - Manual (Page 6)

Note: when you have to log out, please click right mouse button at icon in the
system tray, do not click icon at top right corner.
2.1 Video preview and recording
Double click the selected device address information at the left list and the below
corresponding device channels will come out, double click the selected channel or
drag the selected channel to right window to open the video preview.
There is a triangle icon at the channel number left when the corresponding channel
device operation. There is a circle icon at the channel number right, blue icon
means video recording not open, red icon means video recording open. When you
selected the right window, the corresponding channel number on left list will turn blue
. As figure below: