Acer Extensa 500 Service Manual
16
System Introduction
Fn-F7
Touchpad on/off
Turns the internal touchpad on
and off.
and off.
When you connect an external
PS/2 mouse, the computer
automatically disables the
touchpad.
PS/2 mouse, the computer
automatically disables the
touchpad.
Fn-F8
Speaker on/off
Turns the speakers on and off;
mutes the sound.
mutes the sound.
Fn-
↑
Contrast up
Increases the screen contrast
(available only for models with
HPA displays).
(available only for models with
HPA displays).
Fn-
↓
Contrast down
Decreases the screen contrast
(available only for models with
HPA displays).
(available only for models with
HPA displays).
Fn-
→
Brightness up
Increases the screen brightness.
Fn-
←
Brightness
down
down
Decreases the screen brightness.
Hot Key
Icon
Function
Description