Panasonic NE-2140, Service Manual

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12. 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 at any power selection except for High power position. The digital programmer circuit controls the
ON-OFF time of the power relays contacts in order to vary the output power of the microwave oven. The
relation between indications on the control panel and the output power of the microwave oven is as
shown in table.
NOTE
ON-OFF time of power relays are changed by digital programmer circuit when remaining cooking time
or selected cooking time are within 8 minutes at MED, @LOW and Defrost cooking mode.
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