Voice output device for outputting vocal instructions when the waiting time for a key input operation exceeds a set time limit

摘要

A voice output device includes a processor for setting a time limit for waiting for the performing of a key input operation. The device also includes a timer for measuring a waiting time for the performing of a key input operation to detect the lapse of the time limit. The device further includes voice processing circuitry for outputting voice instructions to the operator when the lapse of the time limit is detected by the timer.