Find an empty Review File and click on the search Records button. The Query box will open. Set the Record Type to Item, since those are the types of records you are requesting.
Change range to Index, then select barcode
put your item barcode prefix in both fields as shown below. The example is the item prefix for Town of Ulster.
In the search form enter the search as shown
Type= item
Field = Created
Condition = greater than
Value A = whatever date you prefer to determine new