Chapter 1 19Hot KeysThe computer employs hot keys or key combinations to access most of the computer’s controls like sreenbrightness, volume output and the BIOS utility.To activate hot keys, press and hold the Fn key before pressing the other key in the hot key combination.Hot Key Icon Function DescriptionFn-F1 Hot key help Displays help on hot keys.Fn-F2 Acer eSetting Launches the Acer eSetting in the Acer eManager setby the Acer Empowering key.Fn-F3 AcerePowerManagementLaunches the Acer ePowerManagement in the AcereManager set by the Acer Empowering key.Fn-F4 Sleep Puts the computer in Sleep mode.Fn-F5 Display toggle Switches display output between the display screen,external monitor (if connected) and both the displayscreen and external monitor.Fn-F6 Screen blank Turns the display screen backlight off to save power.Press any key to return.Fn-F7 Touchpad toggle Turns the internal touchpad on and off.Fn-F8 Speaker toggle Turns the speakers on and off.Fn-w Volume up Increases the speaker volume.download service manual and resetter printer at http://printer1.blogspot.com