Important Product Information; Machine Type And Model Information - Lenovo ThinkPad T480 User Manual

2 Fn Lock indicator
This indicator shows the status of Fn Lock function. For more information, see "Using the special keys" on
page 19.
3 Speaker-mute indicator
When this indicator is on, the speakers are muted.
4 Microphone-mute indicator
When this indicator is on, the microphones are muted.
5 Camera status indicator
When this indicator is on, the camera is in use.
6 8 System status indicators
The indicator in the ThinkPad logo on the computer lid and the indicator in the power button show the
system status of your computer.
• Blinks for three times: The computer is initially connected to power.
• On: The computer is on (in normal mode).
• Off: The computer is off or in hibernation mode.
• Blinks rapidly: The computer is entering sleep or hibernation mode.
• Blinks slowly: The computer is in sleep mode.
7 Fingerprint reader indicator
This indicator shows the status of fingerprint reader. For more information, see "Using the fingerprint reader"
on page 56.
9
ac power status indicator
This indicator shows the battery power status of the computer when ac power is connected.
• White: connected to ac power (battery power 90%–100%)
• Amber: connected to ac power (battery power 0%–90%)
• Off: not connected to ac power

Important product information

This section provides information to help you locate the following:

• Machine type and model information

• FCC ID and IC Certification information
• Windows operating systems information
Machine type and model information
When you contact Lenovo for help, the machine type and model information helps the technicians to identify
your computer and provide faster service.
8
T480 User Guide