Lenovo B575e, Hardware Maintenance Manual, Page: 45 / 102

Table 1. Status indicators (continued)
Indicator Meaning
5
Battery status
indicator
• Blinking orange (500ms off/1s on): The remaining power of the battery is less than
5% of its capacity.
• Blinking orange (100ms off/3.2s on): The battery is being charged with the
remaining power between 5% and 20% of its capacity.
• Orange: The computer is operating on battery power with the remaining power
between 5% and 20% of its capacity.
• Blinking white: The battery is being charged with the remaining power between
20% and 80% of its capacity.
• Off: The remaining power of the battery is more than 80% of its capacity, or the
computer is operating on battery power with the remaining power between 20%
and 80% of its capacity.
6
Wireless status
indicator • White: Any one of the wireless devices is enabled.
• Off: All the wireless devices are disabled.
Fn key combinations
The following table describes the functions of Fn key combinations.
Table 2. Function key combinations
Key combination Description
Fn+Esc Launch the camera and audio settings.
Fn+F1 Enter sleep mode.
Fn+F2 Enable or disable the backlight feature of the computer screen.
Fn+F3
Switch between the computer display and an external monitor.
Fn+F5 Enable or disable the built-in wireless features.
Fn+F6 Enable or disable the touch pad.
Fn+F8 Enable or disable the numeric keypad.
Fn+F9 Start or pause playback of Windows Media Player.
Fn+F10 Stop playback of Windows Media Player.
Fn+F11
Skip to the previous track.
Fn+F12 Skip to the next track.
Fn+PgUp Enable or disable the scroll lock function.
Fn+PrtSc
Activate the system request.
Fn+Home Activate the pause function.
Fn+End Activate the break function.
Fn+PgDn
Activate the insert function.
Fn + Up/Down arrow Increase or decrease the display brightness level.
Fn + Left/Right arrow Increase or decrease the sound volume.
Chapter 5
.
Lenovo B575e
39