When you are entering you weanings 
you can set the program so it automatically move alle the weaned piglets to a certain location.
When you open the list you must write a 4 in the filter line under “To location” now you select the Layout Setup 
(Please remember to do your own layout).
Select the tab “Filter sorting” and click “Activate current sorting”
As soon as you enter a sow number the location code 4 will automatically be entered in the program. If you delete the 4 during you work not problem. When you open the program again the 4 will be back.