Acer Extensa 355 - Keyboard Ergonomics

System Tour
2-10
Activating and Using Hot Keys
When activating hot keys, press and hold the first key Fn
before pressing the other keys in the hot key combination.
Some hot keys pop-up an onscreen icon. For hot keys with
pop-up icons, press the scale hot keys (Fn-→ and Fn-←) to
increase and decrease the setting of the current icon.
Exiting Pop-up Icons and Screens
Press hot key escape (Fn-Esc) to exit a pop-up icon resulting
from a hot key. Press Esc to exit a screen resulting from a
hot key.
2.4.5 Keyboard Ergonomics
Located below the keyboard, the wide and curved palm rest
gives you a place to rest your hands while you type.