Acer ExtensaTM 670 User Manual page 54

Using the Keyboard
Fn+F7
Fn+F11
Fn+F12
Fn+T
Fn+
Fn+
Fn+
Fn+
Fn+End
2-30
Toggles the NumLock function ON and
OFF. The internal numeric keypad is
activated when NumLock is ON. Refer
to the Using the Internal Numeric
Keypad section for more details.
Turns the LCD backlight off (blanks
the screen). Press any key to turn it
back on.
Toggles the screen output between the
LCD, external CRT or both
( )
SIMULSCAN
Enables/disables the internal
touchpad
Adjusts the brightness up
Adjusts the brightness down
Adjusts the contrast brighter
Adjusts the contrast darker
Toggles the internal speaker on and off