An active control releasable ballast system for dive equipment is disclosed which in one embodiment includes a removable pocket that is secured with a side release buckle within a fixed pocket. The method of manufacturing the donor film for an organic light-emitting device including preparing a base film, and forming an organic luminescence layer pattern by a dispensing method in which a fluid organic material is ejected on the base film through a dispenser needle. The map server then causes map data including the vector descriptors and the style identifiers to be transmitted to the client device via a communication network. Based on a confidence determination using the voice recognition result and the gesture recognition result the system can, for example, immediately perform the commandrequest, request confirmation of the commandrequest or determine that the commandrequest was not identified.