Model-Unique Functions
Status Indicators
The system status indicators show the current computer
status in different colors (green and orange):
Symbol Color Meaning
.1/Battery Green The battery is fully charged.
Orange The battery is charging.
Blinking
orange
The battery needs charging.
.2/Suspend
Mode
Green Suspend mode
Blinking
green
Entering suspend mode
.3/Hard Disk
In Use
Orange Data is read from or written
to the hard disk drive.
.4/Numeric
Lock
Green The numeric keypad on the
keyboard is enabled.
.5/Caps
Lock
Green Caps Lock mode is enabled.
.6/Scroll
Lock
Green Arrow keys can be used as
screen-scroll function keys.
.7/Power On Green Power on
ThinkPad 600 51