How to configure standalone Cisco access point from GUI and configure WPA2 authentication
How To Configure Cisco Access Points : Step By Step Guide
How to configure Cisco Standalone AP Autonomous Aironet Access Point - Quick Configuration Guide.
Cisco IOS Configuration Guide for Autonomous Cisco Aironet
My CCNA Wireless Journal: Converting Cisco Lightweight to Autonomous AP (and vice-versa) via Mode Button
Cisco Small Business Single Point Setup
Cisco IOS Configuration Guide for Autonomous Aironet Access Points Cisco IOS Release 15.3(3)JAB - Overview of Access Point Features [Cisco Aironet 1600 Series] - Cisco
Wi-Fi Protected Access 2 (WPA 2) Configuration Example - Cisco
Configure Cisco Access Point using GUI Standalone/Autonomous with WPAv2 Authentication Key
Autonomous AP CLI
Cisco IOS Configuration Guide for Autonomous Aironet Access Points Cisco IOS Release 15.3(3)JAB - Configuring Authentication Types [Cisco Aironet 1600 Series] - Cisco