これで出来るかな?
http://jakenjarvis.wordpress.com/2013/06/21/showservicemode%E3%82%92%E3%81%94%E5%88%A9%E7%94%A8%E4%B8%AD%E3%81%AE%E6%96%B9%E3%81%B8%E9%87%8D%E8%A6%81%E3%81%AA%E3%81%8A%E7%9F%A5%E3%82%89%E3%81%9B/