3-13 
+  
Increase the LCD brightness. 
+  
Decrease the built-in speaker’s volume. 
+  
Increase the built-in speaker’s volume. 
+  
Disable the computer’s audio function. 
+  
Force the computer into sleep state (depending on the system 
configuration). 
 
  Quick Launch [Fn] Keys   
Use the [Fn] buttons on the keyboard to activate the specific applications or tools.     
With the help of these quick launch buttons, users will be able to do work more efficiently. 
+  
User Defined 
or 
Windows Search 
(optional)
 
  Press and hold the Fn button, and then press the F4 button 
to launch the User Defined application. 
  Or, press and hold the Fn button, and then press the F4 
button to launch the Windows Search function. 
+  
ECO Engine 
(Power Saving)
 
  Press and hold the Fn button, and then press the F5 button 
repeatedly to switch among various power saving modes 
provided by ECO Engine, or to turn this function off 
recurrently. 
+  
Webcam 
  Press and hold the Fn button, and then press the F6 button 
to turn the Webcam function on.    Press again to turn it off.
+  
WLAN 
(WiFi)
 
  Press and hold the Fn button, and then press the F8 button 
repeatedly to turn the Wireless LAN (WiFi) function on or 
off recurrently.