The field does not appear in the entry screen but a default value is assigned to it.
Displayed:
The default value is assigned to the field and displayed. It cannot be modified.Entered:
The default value can be modified. In that case, the site must be chosen from the list of sites with which the user normally works.
If a product is managed in stock, this chosen site must be declared as a warehouse in the site table.
The default value assigned to the Reception site field is the request site (DA)/order entered in the header.