In a Pass Through Session, PTCs exported to a UTF8 or UTF16 client character set are converted and exported without error.
In a session in which Unicode Pass Through is not enabled, PTCs to be exported to a UTF8 or UTF16 client character set are converted to the UTF8 or UTF16 client error character and exported without error.
In all sessions, Pass Through or not, PTCs that are exported to client character sets that are not UTF8 or UTF16 are converted to the client error character and exported without error.