How do I select and set a cooking function on the 6TH Sense Absolute Built In Oven?

Press and hold the 'ON/OFF' button to switch the oven on, then turn the rotary knob to navigate through main functions displayed on the left-hand display. Press the '6TH SENSE' button to select the desired function, then adjust temperature, duration, and any delayed start settings as needed before pressing 'START' to begin cooking.