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Indicator
4 Num lock
5 Caps lock
6 Scroll lock Green:
7 Power on
Meaning
Green:
Green:
Green:
ThinkPad A20m/p, A21m/p and A22m/p
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 mode is enabled. To
enable or disable Caps Lock mode,
press Caps Lock key.
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.
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.
Product overview
45
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