Lenovo ThinkPad A21e TP A21e, A22e Hardware Maintenance Manual (June 2001) - Page 45

Status indicators, The system status indicators show the status of the, computer, as follows

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Status indicators Product overview The system status indicators show the status of the computer, as follows: 12345 67 Indicator 1 Drive in use 2 Num lock Meaning Green: Data is being read from or written to the storage device, such as the hard disk drive or a 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. Green: The numeric keypad on the keyboard is enabled. To enable or disable the keypad, press and hold the Shift key, and then press the NumLk (ScrLk) key. If the numeric keypad is enabled, press and hold Shift key to use the cursor- and screen-control keys temporarily. 3 Caps lock Green: Caps Lock mode is enabled. To enable or disable Caps Lock mode, press Fn + Caps Lock key. (continued) ThinkPad A21e, A22e, i 1800 41

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Status indicators
The system status indicators show the status of the
computer, as follows:
6
1
2
3
4
5
7
Indicator
Meaning
±1²
Drive in use
Green:
Data is being read from or
written to the storage device,
such as the hard disk drive or a
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.
±2²
Num lock
Green:
The numeric keypad on the
keyboard is enabled. To enable
or disable the keypad, press and
hold the
Shift
key, and then
press the
NumLk (ScrLk)
key. If
the numeric keypad is enabled,
press and hold
Shift
key to use
the cursor- and screen-control
keys temporarily.
±3²
Caps lock
Green:
Caps Lock mode is enabled. To
enable or disable Caps Lock
mode, press
Fn
+
Caps Lock
key.
(continued)
Product overview
ThinkPad A21e, A22e, i 1800
41