A toaster-oven appliance has a control circuit which enables a user to program the operation of the appliance through a keyboard with audible feedback and which includes functional keys for selecting one mode of operation from available BAKE, BROIL, SLOW COOK, TIMER and TOAST modes, and numerical keys...http://www.google.co.uk/patents/US4345145?utm_source=gb-gplus-sharePatent US4345145 - User programmable control system for toaster oven appliance