An apparatus provides audio instructions to a worker regarding job tasks to be performed and is adapted to be position at a location where the worker performs the tasks. A chart has a plurality of symbols related to the different job tasks and a user input assembly is associated with the symbols. The user input assembly is activated by the worker selecting one of the plurality of symbols which thereby produces an electrical signal indicating a selected symbol. A storage device contains a plurality of audio instructional messages corresponding to the plurality of symbols. An audio playback circuit is connected to the user input assembly and the storage device, and responds to the electrical signal by playing the audio instructional message that is associated with the selected symbol.