Acer 2010 - Manual (Page 24)

Getting familiar with your computer 14
English
Indicators
Your computer provides three indicators located above the keyboard,
in addition to five indicators positioned at the front of the palm rest
area. These indicators show the status of the computer and its compo-
nents.
The three indicators located above the keyboard provide the following
status information when lit:
Icon Description
Caps Lock Caps Lock activie.
NumLk Num Lock active
Note: The keypad lock must be turned on to use
the embedded numeric keypad.
Scr Lk Scroll Lock active.