After selecting the desired cooking mode, press the "Timer" button. The screen will then display the preset time. Press "+" or "-" to adjust the preset time. Once done, long press the "Start/Keep Warm" button to activate the timer.

To adjust the cook time after setting the timer, press the "Timer/Temperature" button so that the screen displays the cook time. Then, press "+" or "-" to adjust the cook time. After that, long press the "Start/Keep Warm" button to start the timer. When the timer finishes counting down, the rice cooker will start the selected cooking mode.