Press the "Clock" button and adjust the hour and minute settings to the correct time.
Press the "Timer" button and the minute and hour controls (use the "+" and "-" buttons on some ovens) to select the time of day you want the oven to turn on for cooking or baking.
Enter the temperature for baking or cooking during the timer setting, for example, 350 degrees Fahrenheit.
Press the "Cook Time" button to enter the minutes and hours required for cooking the food.
Open the oven to insert the food and close the door.