Acer TravelMate P645-V - Manual (Page 9)

9
English Environment
• Temperature:
•
Operating: 5 °C to 35 °C
• Non-operating: -20 °C to 65 °C
• Humidity (non-condensing):
•
Operating: 20% to 80%
• Non-operating: 20% to 80%
Using the keyboard
Hotkeys
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> Airplane mode
Enables/disables the computer’s
communication devices.
<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> NumLk Number Lock
Turns the embedded numeric keypad
on or off.
<Fn> + <F12> Scr Lk Scroll Lock Turns Scroll Lock on or off.
<Fn> + < > Brightness up Increases the screen brightness.
<Fn> + < > Brightness down Decreases the screen brightness.