The setting is higher, the temperature in the freezer is lower, temperature settings should be in accordance to:
-Ambient temperature of the appliance, the temperature is higher, the setting is higher.
-Quantity of stored foodstuff, the food is more, the setting is higher.
-Frequency of opening door, open the door more frequently, the setting is higher.
We recommend a middle setting, when you set the middle setting, the temperature will be below 18 ℃,when you put much food in it or the ambient temperature is high, you need set higher setting