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User Guide - Lenovo

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• The battery status indicator is off: The battery is fully charged or the battery is detached.<br />

ThinkPad X220 Tablet and X220i Tablet status indicators<br />

Your computer has system-status indicators and power-status indicators. The status indicators show the<br />

current status of your computer.<br />

Status indicators<br />

1 Power On<br />

The power switch stays lit whenever the computer is on, blinks when the computer is in sleep (standby)<br />

mode, and is off when the computer is off.<br />

2 Speaker mute button and 4 Microphone mute button<br />

If you mute the sound and then turn off your computer, the sound will remain muted when you turn on your<br />

computer again. To turn on the sound, press the plus (+) or minus (-) button.<br />

3 Caps Lock<br />

Caps Lock mode is enabled. You can enter all alphabetic characters (A-Z) in upper case without pressing<br />

the Shift key.<br />

5 Wireless LAN/Wireless WAN/WiMAX status<br />

• Green: The wireless LAN feature (the 802.11b/g Standard, 802.11a/b/g or 802.11n draft 2.0), wireless<br />

WAN feature or WiMAX feature is on, and the radio link is ready for use, or the data is being transmitted.<br />

• Off: Wireless network devices are disabled or the radio is turned off.<br />

6 Bluetooth status<br />

• Green: The feature is on, and the radio link is ready for use, or the data is being transmitted.<br />

• Off: The Bluetooth feature is disabled.<br />

Chapter 1. Product Overview 21

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