Lenovo ThinkPad P50 Hardware Maintenance Manual page 54

Table 7. Status indicators (continued)
Indicator
3
Microphone-mute indicator
4
Speaker-mute indicator
5
Numeric Lock indicator
6
Caps Lock indicator
7
Fn Lock indicator
8
Device-access-status indicator
10
ac power-status indicator
48
ThinkPad P50 Hardware Maintenance Manual
Meaning
On: The microphones are muted.
On: The speakers are muted.
On: The numeric keypad can be used to input numbers.
On: The Caps Lock mode is enabled. You can type all alphabetic characters
(A-Z) in upper case directly.
Off: The Fn Lock function is disabled. To initiate the special function of each key,
press the corresponding function key directly. To input F1- F12, press the Fn key
and the corresponding function key.
On: The Fn Lock function is enabled. To input F1- F12, press the corresponding
function key directly. To initiate the special function of each key, press the Fn key
and the corresponding function key.
For more information, see Chapter 6 "Special keys" on page 43.
Blinking: The storage device of your computer is reading or writing data. During
this period, do not put the computer into sleep mode, remove the storage device,
or turn off the computer.
The ac power-status indicator shows the ac power charging status of the
computer.
• Green: Connected to ac power (charging 80%–100%)
• Amber: Connected to ac power (charging 1%–80%)
• Off: Not connected to ac power (no charging)