/FROM=keyword

    Specifies whether the PDF is to be extracted from a product kit
    or from the product database if the product is already installed.

    Keywords are the following:

    KIT        Extract the PDF file from a product kit. This is the
               default.
    PDB        Extract the PDF file of an installed product from the
               product database.

               The /FROM=PDB and /SOURCE qualifiers are mutually
               exclusive.