Unless you are using the auto cooking functions, the cook time and power level must be set manually.
Press Time and press the number keys to set the cook time (5:30).
Press Power Level, press the number 8 key to select power level 8, and press START/Enter.
When cooking is complete, a chime sounds and End appears in the display window.
If a power level is not selected, the oven defaults to 100% power.