A printing apparatus includes an ejection unit that ejects fluid from nozzles onto a target and a nozzle inspection unit that performs nozzle inspection to inspect whether the fluid is ejected. The points of interest are associated with different, user-identified, point of interest categories. The aircraft subsystem includes a comparator module for comparing flight data with expected data, and a triggering module for triggering transmission of selected data when the flight data deviate from the expected data. Therefore, it is possible to provide an inexpensive display device capable of satisfying a variety of users’ needs and design requirements. Depending upon design detail, the aromatherapy cavity may be at least partially located beneath the top surface.