Product overview

 

 

 

Indicator

Meaning

 

 

 

 

Drive in use

Green:

Data is being read from or

 

 

written to the hard-disk drive,

 

 

the diskette drive, or the drive

 

 

in the Ultrabay 2000. When

 

 

this indicator is on, do not put

 

 

the computer into standby

 

 

mode or turn off the computer.

 

Note: Do not move the system while the

 

Green drive in use light is on. Sudden

 

physical shock could cause drive errors.

 

 

 

Num lock

Green:

The numeric keypad on the

 

 

keyboard is enabled. To enable

 

 

or disable the keypad, press

 

 

and hold the Fn key while

 

 

pressing the NumLk key.

 

 

 

Caps lock

Green:

Caps Lock mode is enabled.

 

 

To enable or disable Caps

 

 

Lock mode, press Fn + Caps

 

 

Lock key.

 

 

 

Scroll lock

Green:

Scroll Lock mode is enabled.

 

 

Arrow keys can be used as

 

 

screen-scroll function keys, but

 

 

not to move the cursor. To

 

 

enable or disable Scroll Lock

 

 

mode, press Fn + ScrLk key.

 

 

Not all application programs

 

 

support this function.

 

 

 

Power on

Green:

This indicator stays lighted

 

 

whenever the computer is on.

 

 

If the power-on indicator is on

 

 

and the standby indicator is off,

 

 

the system is ready to use. If

 

 

both the power-on indicator

 

 

and the standby indicator are

 

 

on, you can use the computer

 

 

after it returns from the

 

 

standby mode and the standby

 

 

indicator goes off.

 

 

 

ThinkPad A21e 37

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IBM MT 2632 manual Indicator Meaning