check_owner 

This parameter defines the database owner of tables and indexes to be checked by the BRCONNECT check function.

Syntax: check_owner = <owner>|(<owner_list>)

Default: SAPR3/SAP<SID> in a standard SAP database or all SAP owners in a multi-schema database

You can use this parameter to limit the check to objects of selected SAP owners (that is, systems).