1. An interactive manual system of a device, comprising: a model package database including a set of at least one of phrases and sentences, an object file, and a grammar table, wherein the object file includes information regarding an appearance of, and spatial characteristics of, one or more structures of the device and includes data representing visual displays that are associated with the device and that are associated with respective ones of the set of the at least one of phrases and sentences, and the grammar table identifies associations between (a) the information and data and (b) the respective ones of the set of the at least one of phrases and sentences; a processor configured to execute: a speech engine module for converting an utterance into a word sequence based on the set of the at least one of phrases and sentences and identifying a grammar category to which the word sequence conforms; and a dialog manager module for extracting a subset of the information regarding the appearance of, and spatial characteristics of, the one or more structures of the device; and an output arrangement configured to output what has been extracted; wherein the extraction is based on the identified grammar category, one or more of the set of the at least one of phrases and sentences to which the word sequence corresponds, and the associations of the grammar table.