LevelOne NVR-0216 - Manual (Page 80)

80 [NVR MANAGEMENT SOFTWARE USER MANUAL]
Service Mode
If you are using a PC that is not dedicated to run this program only
(working with some other programs at the same time), you can turn
on the service mode, which can be accessed from the side menu bar
under the "SYSTEM” menu, select “service mode”.
This will minimize the program to the Windows system tray in the
lower-right hand corner.
The function to detect new NVR and event trigger notification will
continue to work in the background. You will get notification from the
tray if the program has detected a new NVR has been placed on the
network.
A small video will also be popping out from the tray to notify you that
an abnormal motion has been detected.