How to Adjust the Humidity of Siemens Refrigerator BCD-569(ka96fa46tl)

Simon's refrigerator temperature adjustment method is as follows: if it is a mechanically controlled refrigerator, just adjust the constant temperature gear of the fresh-keeping room directly, and lower it in normal summer, 1~2 gear; Mid-range in spring and autumn, 3~4 files; Upgrade to high-grade in winter, 5~6. If the ambient temperature is lower than 10 degrees, turn on the greenhouse switch. 15 degrees above, just turn off this switch.