1.4.3.1 Controls and Indicators
As shown in Figure 1-6, Extensa Series Notebook Computers contain a set
of three buttons (switches) and five LED displays just above the keyboard
including:
•Power, Setup, and Standby/Suspend Buttons (Switches)
•Sleep Mode Indicator. This LED lights when the notebook is in Sl eep
Mode.
•Hard Drive Activity Indicator. This LED lights when the notebook is
accessing the hard drive (read or write).
•Num Lock indicator. This LED lights when you press the NumLk key to
toggle on the numeric keypad lock function. When the LED is On, the
embedded numeric keyboard keys generate AT keypad characters and
functions when pressed in conjunction with the Shift key. When the
indicator is Off, pressing the Fn key with the appropriate keys provides
cursor movement, paging and other functions in the normal mode.
•Caps Lock indicator. This LED indicates that the keyboard is locked in
the uppercase mode. To switch to the lowercase mode, press the Caps
Lock key.
•Scroll Lock indicator. This LED lights to indicate that the keyboard is
locked in the scroll mode.
•Standby Indicator. Lights when Notebook is in Standby mode.
4
56
Q
W
E
R
T
Y
U
I
O
P
1
23
Caps
Lock
A
S
DFG HJ K
L
1
2
345 67
9

^

&
@
%
0
7
9
Shift
0
0
X
C
VB
N
M
Z
Shift
[
{
]
}
Fn
Ctrl
Alt
F2
F3 F5F4
Esc
F1
8
8
Enter
F11
F10
F9F8F7F6
Delete
Insert
E
nd
Hom
e
Pg
D
n
PgDn
NumLock PrtSc SysRq ScrLock Pause
F12
Break
Figure1-5 Extensa Keyboard
1-8 General Description