values are "online" if at least one connection exists
and "offline" if no device is connected.
+ string Policy [readwrite]
+
+ The global connection policy of a system. This
+ allows to configure how connections are established
+ and also when they are taken down again.
+
+ Possible values are "single", "multiple" and "ask".
+
+ For the single policy, the priority setting of the
+ device defines which becomes the default connection
+ when multiple are available.
+
boolean FlightMode [readwrite]
The flight mode indicates the global setting for