Courtesy of member milci! Added to the Boomboxery Library.
https://www.mediafire.com/file/46dk37qb9bvg8s6/Sharp_GF-9090X%3B_GF-9090A_User_Manual.pdf/file
https://www.mediafire.com/file/46dk37qb9bvg8s6/Sharp_GF-9090X%3B_GF-9090A_User_Manual.pdf/file