Samsung UN40F6300 E-Manual page 46

Special Functions
Press and hold the following Smart Touch Control buttons to access various special functions.
Press and hold the touch pad while watching TV to display OH List on the
screen. In addition, you can press and hold the touch pad for 2 seconds or more
Touch pad while an application is running to access the application's hidden features. (Not
available with at! applications.)
RE]°URIN Press and hold this button to quit the current process or app.
Press and hold the touch pad to select a desired function (e.g. MENt_(@),
MORE TOOLS( or!_2 ) , INFO(i), etc.) easily.