4
3 Technical Descriptions
3.1. Description of operating sequence
Variable power cooking control
The coil of power relays are energized intermittently by the digital programmer circuit, when the oven is set to MEDIUM or
DEFROST power position. The digital programmer circuit controls the ON-OFF time of each power relay contacts in order to
vary the output power of the microwave oven. One complete ON and OFF cycle of the power relay is 44 seconds. The relation
between indications on the control panel and the output power of the microwave oven is as shown in Figure.
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