Lenovo ThinkPad E450 User Manual page 23

1 Fn Lock indicator
The Fn Lock indicator shows the status of Fn Lock function. For more information, see "Special keys "
on page 17.
2
Speaker-mute indicator
When the speaker-mute indicator is on, the speakers are muted.
3 Microphone-mute indicator
When the microphone-mute indicator is on, the microphones are muted.
4 Camera-status indicator
When the camera-status indicator is on, the camera is in use.
5 6 System-status indicators
There are two ThinkPad logos on your computer, one on the palm rest and the other on the outer lid.
The illuminated dot in each ThinkPad logo works as a system-status indicator and helps you identify the
status of your computer.
• Blinks for three times: The computer is initially connected to the power.
• Blinks fast: The computer is entering hibernation mode.
• Blinks slowly: The computer is in sleep mode.
.
Chapter 1 Product overview
7