Foster BUILT-IN OVEN S4000 - Manual (Page 17)

Fan cooking
This type of cooking allows even heat distribution to all parts of the oven.
It is possible to cook two different types of food (e.g. meat and fish) while using
their different respective cooking times.
Pizza function
This kind of cooking is ideal for pizza and vegetable dishes.
With this function, all the heating elements and the fan work together.
Defrosting
Only the fan works, so there is no transmission of heat.
The oven door must be closed. This function makes it possible to defrost foods
using only about one-third of the time that would normally be required.
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