Transfer the rice to the inner pot and add water. You can use the internal gradation lines (e.g., fill to the "2" line for 2 cups of rice) or the "finger method," where water reaches the first digit of your index finger above the rice.
Uses more water and a slower cycle for soft rice porridge. Matsusho Rice Cooker Manual
Always allow the unit to cool completely before cleaning. Transfer the rice to the inner pot and add water