ThinkPad T440p, Hardware Maintenance Manual

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Table 7. Status indicators (continued)
Indicator Meaning
4 6
System-status indicator Blinks three times : The computer is initially connected to power.
On : The computer is in use.
Off : The computer is off or in hibernation mode.
Blinks slowly : The computer is in sleep mode.
Blinks fast : The computer is entering hibernation mode.
5
Fn Lock indicator
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.
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Hardware Maintenance Manual