1. Within the Items browser, create a search…
2. Select: <Items by common properties>
3. Select or check all items in the list…
4. Uncheck or deselect the Plant Area item in the list… and click ok.
5. Adopt the query, where... Area equal to the appropriate value. And add to search… Note: the values must be preset within the drawing settings Plant Tab.
6. Update property... via right mouse click on the returned node in the items browser…
7. Adopt the Area value to the appropriate preset value within the next upcoming dialog.
The above mentioned method gives you the flexibility to select a range of components instead of the whole P&ID, whenever necessary.