Electrical appliance programming

摘要: A timing control system and timer sub-assembly for microwave cooking source parallel connected with a series an interval time switch defrost cycle power level selector. The is operable to the at fast rate selected operating intervals of given value or greater slow less than value. provides progressively decreasing "on" each cycle. has pawl-driven ratchet wheel having toothed sector lesser pitch diameter masking periodic deep notches spaced thereabout permitting drive pawl periodically engage teeth slower advance driven indexing plurality rotary cam tracks actuation.