Lenovo ThinkPad X300 Series User Manual page 18

3. Battery status
Green: The battery has more than 20% charge.
Orange: The battery has between 5% and 20% charge
Fast blinking orange: The battery has less than 5% charge.
Note: The battery may be charging.
Slow blinking orange: The battery is being charged. When it reaches
20%, the blinking color changes to green.
Slow blinking green: The battery has between 20% and 80% charge, and
charging is continuing. When the battery reaches 80% charge, blinking
stops, but the charging may continue until the battery is 100% charged.
Note: If the computer is operating on battery power, the Battery status
indicator does not work while the computer is turned off or is in sleep
(standby) mode or hibernation mode.
If your computer is shipped with a wireless WAN feature, a Bluetooth feature, a
Wireless USB, and a wireless LAN feature, you can use the following indicators:
4. Wireless WAN/WiMAX status
Green: The wireless WAN feature or WiMAX feature is on, and the radio
link is ready for use.
Blinking green: Data is being transmitted.
5. Bluetooth/Wireless USB status
Green: The feature is on, and the radio link is ready for use.
Blinking green: Data is being transmitted.
6. Wireless LAN status
Green: The wireless LAN feature (the IEEE 802.11 standard) is on, and
the radio link is ready for use.
Blinking green: Data is being transmitted.