GETTING STARTED GUIDE Cisco Aironet 1600 Series Access Points
http://www.cisco.com/c/en/us/td/docs/wireless/access_point/1600/quick/guide/ap1600getstart.pdf
If you want to convert Autonomous Access Points to Lightweight Mode or voice versa
http://mrncciew.com/2012/10/20/lightweight-to-autonomous-conversion/
http://www.cisco.com/c/en/us/td/docs/wireless/controller/8-0/configuration-guide/b_cg80/b_cg80_chapter_01101010.html#wp160918