Locating products Use the RF unit to find the locations in which a product is stored. From the RF Main Menu, select System Inquiry. Select Locate Item. In System Inquiry - Locate Item, scan or specify the product number. You can also press F12 to look up the item. All locations that contain the product selected, the zone, aisle, pallet ID, and quantity are displayed. Use the arrow keys to scroll through the list and view additional information. Press F4 to exit.