A vertical alignment mode liquid crystal display device having an improved viewing angle characteristic is provided. The administration tool can display one or more data objects that are adapted to be imported from an application framework into a physical model maintained on the BI server. Each pair of coating layers includes a first applied coating layer and a second applied coating layer. A controlling unit 30 controls the aircraft based on the control parameter output from the parameter-generating unit 20. The controller is configured to cause the projector to project one of the plurality of control markings onto the main body, dependent upon a selection of a subsystem to be managed by the interface system. This beacon includes, for each reportable neighbor AP, the corresponding one or more current operational characteristics and the corresponding received signal strength.