On Fri, 26 Sep 2008 10:03:52 -0400, wrote:

There is only one actual power level. The manetron is either FULL ON,
or it's not on at all. The "power level control" simply changes the
duty cycle of FULL-ON/FULL-OFF.


No **** sherlock.

However if one has to run it at a 50% duty cycle instead of a 70% duty cycle to
prevent the food from ending up along the walls of the microwave oven, then the
increased power isn't providing the slightest benefit.