Standalone systems
If a console is not connected to anything, then it is a Standalone system. It is also a standalone system using a grandMA2 onPC with one or more grandMA2 onPC wings connected.
A console is in standalone mode when it is not a part of a session. So a console that is connected to network, but not in a running session is also considered as Standalone.
The current status can be seen in the Setup menu (press the Setup key). The right tab will display: Network Standalone.
If the console is in a session and you want to set it to Standalone mode, then you can leave the session. This can be done using the GUI or the command line (LeaveSession).
In the Standalone mode the console is limited to only controlling the amount of parameters the console / onPC unlocks.
You can only use the DMX ports on the console / wings.
If DMX is output via an Ethernet connection, then the console needs to be in a session. Enable the Network DMX if Alone button in the Setup->Network->Network Protocols. Even though not connected to anything else, it still needs to run an active session.
For more about setting up DMX ports, please have a look at the Configure the DMX ports on MA devices topic.