2-212. Introduction and Specification- 이 문서는 삼성전자의 기술 자산으로 승인자만이 사용할 수 있습니다 -- This Document can not be used without Samsung's authorization -R530/R730Wireless LAN Turns the wireless LAN function on or off in models with wireless LAN capability..Touchpad Turns the Touchpad function on or off.When using an external mouse only, you can turn the Touchpad off.Scroll Lock If you turn the Scroll Lock on, you can scroll the screen up or down without changing thecursor location in some applications.Screen Brightness ControlTo adjust the LCD brightness press the Fn + key combination or the Fn + key combination.The changed screen brightness is displayed at the center of the screen for a moment.Volume ControlTo control the volume, press the Fn + key combination or the Fn + key combination.You can mute the sound or cancel the mute function by clicking the Fn + key combination.Other Function KeysApplication KeyPerforms the right-click mouse function (touchpad).