BUZZER SOUND SELECTION AND SOUND VOLUME ADJUSTMENT OF MICROWAVE OVEN

摘要

PURPOSE: A buzzer sound selection and a sound pressure control method of a microwave oven is provided to give convenience according to a use condition and a user's taste by controlling the level of the buzzer sound and creating the buzzer sound having different melodies. CONSTITUTION: The buzzer sound selection and a sound pressure control method of a microwave oven comprises:a key input unit(7) creating a sound pressure and a melody according to the buzzer sound; a micro computer(1) controlling the general working and state of the microwave oven by counting the input signal from the key input unit and the clock state that generates itself; and a interrupt(3) supplying the wave form for the control signal use.