Lenovo ThinkPad E555 (English) Hardware Maintenance Manual - Page 56

Indicator, Description, Blinksforthreetimes, Blinks slowly, Blinks fast, Fn Lock indicator

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Table 7. Status indicators (continued) Indicator Description 4 and 6 System-status indicator Blinks for three times: The computer is initially connected to power. On: The computer is on (in normal mode). Off: The computer is off or in hibernation mode. Blinks slowly: The computer is in sleep mode. 5 Fn Lock indicator Blinks fast: The computer is entering hibernation mode. On: The Fn Lock function is enabled. To initiate the special function of each key, press the Fn key and the corresponding function key. To input F1-F12, press the function keys directly. Off: The Fn Lock function is disabled. To initiate the special function of each key, press the function keys directly. To input F1-F12, press the Fn key and the corresponding function key. 50 Hardware Maintenance Manual

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Table 7. Status indicators (continued)
Indicator
Description
4
and
6
System-status
indicator
Blinksforthreetimes
: The computer is initially connected to power.
On
: The computer is on (in normal mode).
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
On
: The Fn Lock function is enabled. To initiate the special function of each key, press
the Fn key and the corresponding function key. To input F1-F12, press the function
keys directly.
Off
: The Fn Lock function is disabled. To initiate the special function of each key, press
the function keys directly. To input F1-F12, press the Fn key and the corresponding
function key.
50
Hardware Maintenance Manual