GE PEM31DF1BB Owner's Manual page 18

About the time features.
1 2 3
4 5 6
Add
30 Sec
18
Express Cook
This is a quick way to set cooking time for 1 –6 minutes.
Press one of the Express Cook pads (from 1 to 6) for 1 to 6 minutes of cooking at power level 10. For
2 pad for 2 minutes of cooking time.
The power level can be changed as time is counting down. Press POWER LEVEL and enter 1–10.
Add 30 Sec
You can use this feature two ways:
It will add 30 seconds to the time counting down each time the pad is pressed.
It can be used as a quick way to set 30 seconds of cooking time.