Product overview

 

 

 

Indicator

Meaning

 

 

 

 

Num lock

Green:

The numeric keypad on the keyboard

 

 

is enabled. To enable or disable the

 

 

keypad, press and hold the Shift key

 

 

while pressing the NumLk key.

 

 

 

Caps lock

Green:

Caps Lock mode is enabled. To

 

 

enable or disable Caps Lock mode,

 

 

press 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 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 A20m/p, A21m/p and A22m/p 45

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IBM A21P, A21M, A22P, A22M, A20M, MT 2631 manual Indicator Meaning