Acer Aspire One D255 Series, Service Manual, Page: 24 / 272

14 Chapter 1
Hot Keys
The computer employs hotkeys or key combinations to access most of the computer's controls like screen
brightness and volume output.
To activate hotkeys, press and hold the <Fn> key before pressing the other key in the hotkey combination.
Hotkey Icon Function Description
<Fn> + <F3> Communication key Enables/disables the computer’s
communication devices. (Communication
devices may vary by configuration.)
<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.
<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> + <F11> Num Lock When Num Lock is on, the embedded keypad is
in numeric mode. The keys function as a
calculator (complete with the arithmetic
ope, -, *, and /). Use this mode when
you need to do a lot of numeric data entry. A
better solution would be to connect an external
keypad.
<Fn> + <F11> only for certain models.
<Fn> + <F12> Scroll Lock When Scroll Lock is on, the screen moves one
line up or down when you press the up or down
arrow keys respectively. Scroll Lock does not
work with some applications.
<Fn> + < > Brightness up Increases the screen brightness.
<Fn> + < > Brightness down Decreases the screen brightness.
<Fn> + < >
Volume up Increases the sound volume.
<Fn> + < >
Volume down Decreases the sound volume.