GE JES1142WPC Owner's Manual page 18

About the time features.
Time Defrost
Press TIME DEFROST and enter time required
1
(maximum 99 minutes, 99 seconds) for defrost.
All defrost is done at a power level of 3 (30%).
If a different power is required, press POWER LEVEL
2
until the desired level is reached.
Press START/+30 SEC. to begin defrost.
3
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