
| KEY | DESCRIPTION | 
| Fn + Esc | Turns on and off the light of mouse and panning keys. | 
| Fn + | Turns on and off the power of the GPRS or CDMA modules. | 
| Fn + F1 | Decreases screen brightness. | 
| Fn + F2 | Increases screen brightness. | 
| Fn + F3 | Activates  | 
| Fn + F4 | |
| Fn + F5 | Mutes the speaker volume. | 
| Fn + F6 | Increases speaker volume. | 
| Fn + F7 | Turns on and off the power of the speakers. | 
| Fn + F8 | Turns on and off the power of the Wireless LAN mode. | 
| Fn + F9 | Turns on and off the power of Bluetooth mode. | 
| Fn + F10 | Switches the display output to the LCD display screen, to an external display | 
| 
 | device or both. | 
TRACK POINTS, MOUSE BUTTONS, AND PAN BUTTON
Two “track points“ along with two sets of mouse buttons are available on your computer.
C H A P T E R 4
43
