Lenovo K49 Hardware Maintenance Manual - Page 45

Fn key combinations

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Table 1. Status indicators Indicator 1 Battery status indicator 2 Device access status indicator 3 Wireless status indicator Meaning • Green: The battery charge level is between 80% and 100%, or the battery discharge level is between 20% and 100%. • Slow blinking green: The battery charge level is between 20% and 80%, and charging is continuing. When the battery charge level reaches 80%, the battery status indicator stops blinking, but the charging might continue until the battery is 100% charged. • Slow blinking orange: The battery charge level is between 5% and 20%, and the charging is continuing. When the battery charge level reaches 20%, the blinking color changes to green. • Orange: The battery discharge level is between 5% and 20%. • Fast blinking orange: The battery charge or discharge level is 5% or less. • Off: The battery is detached or the computer is powered off. When this indicator is on, the hard disk drive or the optical drive is reading or writing data. Attention: • When the indicator is on, do not put the computer into sleep mode or turn off the computer. • When the indicator is on, do not move the computer. Sudden physical shock might cause drive errors. • Blue: The wireless network feature is on. • Off: Wireless network devices are disabled or the wireless radio is turned off. 4 APS status indicator • On: The Active Protection System program is active. • Off: The Active Protection System program is inactive. Fn key combinations The following table shows the function of each combination of Fn with a function key. Table 2. Function key combinations Key combination Fn+Esc Fn+F1 Fn+F2 Fn+F3 Fn+F4 Fn+F5 Fn+F8 Fn+F9 Fn+F10 Fn+F11 Description Turns on or turns off the keyboard light. Enters sleep mode. Enables or disables the backlight feature of the computer screen. Switches between the computer display and an external monitor. Enables or disables the camera. Enables or disables the built-in wireless features. Enables or disables the touch pad Starts or pauses playback of Windows Media Player. Stops playback of Windows Media Player. Skips to the previous track. Fn+F12 Skips to the next track. Chapter 5. ZhaoYang K49 39

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Table 1. Status indicators
Indicator
Meaning
1
Battery status
indicator
•
Green:
The battery charge level is between 80% and 100%, or the battery discharge
level is between 20% and 100%.
•
Slow blinking green:
The battery charge level is between 20% and 80%, and
charging is continuing. When the battery charge level reaches 80%, the battery status
indicator stops blinking, but the charging might continue until the battery is 100%
charged.
•
Slow blinking orange:
The battery charge level is between 5% and 20%, and the
charging is continuing. When the battery charge level reaches 20%, the blinking
color changes to green.
•
Orange:
The battery discharge level is between 5% and 20%.
•
Fast blinking orange:
The battery charge or discharge level is 5% or less.
•
Off:
The battery is detached or the computer is powered off.
2
Device access
status indicator
When this indicator is on, the hard disk drive or the optical drive is reading or writing data.
Attention:
•
When the indicator is on, do not put the computer into sleep mode or turn off the
computer.
•
When the indicator is on, do not move the computer. Sudden physical shock might
cause drive errors.
3
Wireless status
indicator
•
Blue:
The wireless network feature is on.
•
Off:
Wireless network devices are disabled or the wireless radio is turned off.
4
APS status indicator
•
On:
The Active Protection System program is active.
•
Off:
The Active Protection System program is inactive.
Fn key combinations
The following table shows the function of each combination of Fn with a function key.
Table 2. Function key combinations
Key combination
Description
Fn+Esc
Turns on or turns off the keyboard light.
Fn+F1
Enters sleep mode.
Fn+F2
Enables or disables the backlight feature of the computer screen.
Fn+F3
Switches between the computer display and an external monitor.
Fn+F4
Enables or disables the camera.
Fn+F5
Enables or disables the built-in wireless features.
Fn+F8
Enables or disables the touch pad
Fn+F9
Starts or pauses playback of Windows Media Player.
Fn+F10
Stops playback of Windows Media Player.
Fn+F11
Skips to the previous track.
Fn+F12
Skips to the next track.
Chapter 5
.
ZhaoYang K49
39