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Table 7. Status indicators
Indicator
1
Wireless LAN status
2
Wireless PAN status
R
3
Drive in use
4
Fingerprint reader
status
5
Battery status
6
Sleep (standby)
status
52
ThinkPad X220 and X220i Hardware Maintenance Manual
Meaning
The wireless LAN feature is on, and the radio link is ready for
Green:
use, or the data is being transmitted.
Blinking green:
Data is being transmitted (for some models).
Green:
Wireless PAN (Bluetooth wireless or Wireless USB) is operational.
This indicator is on when Wireless PAN is on and not in suspend
mode, or the data is being transmitted.
Blinking green:
Data is being transmitted (for some models).
Green:
Data is being read from or written to the hard disk drive, the
diskette drive, or the drive in the Serial Ultrabay Slim device.
When this indicator is on, do not put the computer into sleep
(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.
The fingerprint reader is ready to swipe.
Green:
Blinking green:
The fingerprint is being authenticated or has been authenticated.
Blinking amber:
The fingerprint could not be authenticated.
Green:
The battery is being charged when its charge level is between
80% and 100%. Or the battery is being discharged when its
charge level is between 0% and 80%.
Blinking green:
The battery charge level is between 20% and 80%, and the
battery is being charged.
Orange:
The battery charge level is between 5% and 20%, and the
battery is being discharged.
Blinking orange
The battery charge level is between 5% and 20%, and the
(slow):
battery is being charged.
Blinking orange
The battery charge level is between 0% and 5%, and the battery
(rapid):
is being charged.
Green:
The computer is in sleep (standby) mode.
Blinking green:
The computer is entering sleep (standby) mode or hibernation
mode, or is resuming normal operation.
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