| 摘要 |
<p>An apparatus provides audio instructions to a worker regarding job tasks to beperformed and is adapted to be position at a location where the worker performsthe tasks. A chart has a plurality of symbols related to the different job tasksand a user input assembly is associated with the symbols. The user input assemblyis activated by the worker selecting one of the plurality of symbols which therebyproduces an electrical signal indicating a selected symbol. A storage devicecontains a plurality of audio instructional messages corresponding to the pluralityof symbols. An audio playback circuit is connected to the user input assemblyand the storage device, and responds to the electrical signal by playing the audioinstructional message that is associated with the selected symbol.</p> |
