Three different operation modes are available:
- Automatic: there are 5 preset speed with automatic reversing fan; the operator through oven display can select on of this 5 speeds according recipe.
- Manual: ventilation motors control is manual means 3 inputs the operator can enable and select rotation direction, while the external potentiometer provides speed regulation.
- Semiautomatic: this operation mode request the use of on-board trimmers to set rotation and pause time, means 3 inputs the operator can enable the control and select speed (low or high) and ventilation (continuous or reversing fan). This operation mode can use an enable heating to implement a stand-alone control for simplified cooking oven.