1. The temperature control of the oven can only be turned independently. If you want to adjust it to 2 degrees, you should adjust the temperature of the oven. Generally speaking, it is controlled by the temperature control knob, so you only need to adjust the temperature to the desired temperature, and you can preheat it to the desired temperature in about ten minutes.

2. Generally, it is impossible to control the temperature of the upper and lower tubes separately, and it is basically impossible for most household ovens to adjust the upper and lower tubes separately.

3. Touch button adjustment. Generally, the oven can be adjusted and set directly by touching the button. However, the upper and lower fires of the general embedded oven are consistent and cannot be adjusted separately. Button adjustment next to the oven, some ovens have buttons showing the temperature adjustment of the upper and lower tubes, just press the desired temperature.

4. Adjust the upper and lower temperature control keys of the oven, which can be adjusted to 6-2 degrees only by pressing them once. Pressing twice only means that the heating temperature of the lower tube can be adjusted by 6-2 degrees; Pressing the third time means adjusting the temperature of the pipe; Press the fourth button to indicate that the temperature of the lower pipe can be adjusted by 23-6 degrees; Generally, if the temperature is not adjusted, the default heating temperature is 15 degrees.