2 Proper use of refrigerators 2.1 Levelling feet 1) Precautions before operation Information in the Instruction Manual is only for reference. Before operation of accessories, it shall be ensured that the refrigerator is disconnected from power. Before adjusting the leveling feet, precautions shall be taken to prevent any personal injury. 2) Schematic diagram of the levelling feet (T he picture above is only for reference.