Lenovo manual Status indicators, ThinkPad X300 Hardware Maintenance Manual

Table 8. Status indicators

Indicator	Meaning
Power on	Green: The computer is on and ready to use. This indicator
	stays lit whenever the computer is on and is not in
	standby mode.
Standby status	Green: The computer is in standby mode.
	Blinking green:
	The computer is entering standby mode or hibernation
	mode, or is resuming normal operation.
AC power	Green: The computer is connected to the ac power supply.
status
Battery status	Green: The battery is charged between 80% to 100% of the
	capacity, and being discharged between 0% to 80% of
	the capacity.
	Blinking green:
	The battery is charged between 20% to 80% of the
	capacity, and being charged.
	Orange:
	The battery is charged between 5% and 20% of the
	capacity, and being discharged.
	Blinking orange (slow):
	The battery is charged between 5% to 20% of the
	capacity, and being charged.
	Blinking orange (rapid):
	The battery is charged between 0% to 5% of the capacity.
Drive in use	Green: Data is being read from or written to the hard disk
	drive, the diskette drive, or the drive in the Optical bay
	device. 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 Shift
	key, and press the NumLk (ScrLk) key.
Wireless WAN	Green: The wireless WAN is on, and the radio link is ready for
status	use.
	Blinking green:
	Data is being transmitted.
Wireless PAN	Green: Wireless PAN is operational. This indicator is on when
status	Wireless PAN is on and not in suspend mode.
Wireless status	Green: The wireless feature (the IEEE 802.11 standard or IEEE
	802.11n) is on, and the radio link is ready for use.
	Blinking green:
	Data is being transmitted.
Caps lock	Green: Caps Lock mode is enabled. To enable or disable Caps
	Lock mode, press the Caps Lock key.

50ThinkPad X300 Hardware Maintenance Manual