Fn Key Combinations - Lenovo B570 Hardware Maintenance Manual

Table 2. Status indicators
Indicator
1
Caps lock
2
Numeric lock
3
Drive in use
4
Active Protection
System (APS)
5
Power on
6
Battery status
7
Wireless status

Fn key combinations

The following table shows the function of each combination of Fn with a function key.
Table 3. Function key combinations
Key combination
Fn+Esc
Fn+F1
Fn+F2
40
Hardware Maintenance Manual
Meaning
White: Caps Lock mode is enabled. You can enter all alphabetic characters (A-Z) in
uppercase without pressing the Shift key. To enable or disable Caps Lock mode, press
the caps lock key (CapsLk).
White: The separate numeric keypad on the keyboard is enabled. To enable or disable
the numeric keypad, press the numeric lock key (NmLk).
White: Data is being read from or written to the hard disk drive, or the optical disk
drive. When this indicator is on, do not put the computer into sleep (standby) mode
or turn off the computer.
Note: Do not move the system while the white drive-in-use light is on. Sudden physical
shock could cause drive errors.
• White: Active Protection System is enabled.
• Off: Active Protection System is disabled.
• White: System is enabled.
• Blinking white: System is in sleep (standby) mode.
• Off: System is in hibernate mode or shut down.
• 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.
• White: Any one of the wireless devices is enabled.
• Off: All the wireless devices are disabled.
Description
Turn on or turn off the integrated camera.
Put your computer into sleep (standby) mode. To return to normal operation,
press any key.
Enable or disable the backlight feature of the computer screen.