Compare the source catalog and the destination catalog. Compare Catalogs is used only if you copy across models with different source and destination catalogs. If the source and destination catalogs are identical, this step is skipped.
Compares the source catalog items to the corresponding items in the destination catalog.
View & Map
Opens the View & Map dialog box, which displays the results from the catalog comparison. You can map the missing items for pipe spec elements, code lists, and option codes.
Pipe spec and short code mapping will be used
Determines whether or not to use the mapping file to map items.