![background image](http://html.mh-extra.com/html/ibm/thinkpad-s30/thinkpad-s30_hardware-maintenance-manual_607479010.webp)
Symbol
Color
Meaning
(1) Battery status
Green
Enough battery power
remains for operation.
Blinking
orange
The battery pack needs to
be charged.
Orange
The battery pack is being
charged.
Blinking
green
The battery pack is being
charged and is almost fully
charged.
(2) Suspend mode
Green
The computer is in suspend
mode.
Blinking
green
The computer is entering
suspend mode.
(3) Drive in use
Green
Data is being read from or
written to the hard disk
drive. Do not enter
hibernation mode or power
off the computer when this
indicator is on.
(4) Numeric lock
Green
The numeric keypad on the
keyboard is enabled. You
enable or disable the
keypad by pressing and
holding the
Shift
key, and
pressing the
NumLk
key.
For details, see the User’s
Reference.
(5) Caps lock
Green
Caps Lock mode is
enabled. All alphabetic
characters
(A-Z)
are
entered in capital letters
without the
Shift
key being
pressed. You enable or
disable the Caps Lock
mode by pressing the
Caps
Lock
key.
(6) Scroll lock
Green
Scroll Lock mode is
enabled. The
Arrow
keys
can be used as
screen-scroll function keys.
The cursor cannot be
moved with the
Arrow
keys.
Not all application
programs support this
function.
You enable or
disable Scroll Lock mode by
pressing the
ScrLk
key.
(7) Power on
Green
The computer is
operational. This indicator is
always on when the
computer is on or in
suspend mode.
6
ThinkPad s30, s31