2. Door opening button: Press this button to stop the microwave oven and open the oven door. It should be noted that when power is on, do not open the oven door at will.
3. Timer: used to set the cooking time. The general popular microwave oven has no start button, and the function is replaced by a timer. As long as the food is put into the oven cavity and the oven door is closed, the heating can be completed within the set time.
4. Function regulator: used to adjust the output power of microwave oven. Generally, there are five power levels in the popular microwave oven, which are high power, medium high power, medium power, low power and thawing.
5. Main power switch: In addition to popular microwave ovens, most microwave ovens will be equipped with this function button.
6. Heating time key: used in conjunction with the numeric keys to set the heating time and control the heating of food.