Lenovo ThinkPad 390E Hardware Maintenance Manual (March 1999): ThinkPad 390E o - Page 34
Fn Key Combinations, The operating system obtains the status through
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Fn Key Combinations The following table shows the Fn key and function key combinations and their corresponding functions. The Fn key works independently of the operating system. The operating system obtains the status through the system management interface to control the system. Fn + F2 F3 F4 F7 F8 F11 F12 Result Fuel-Gauge display on and off Standby mode Suspend mode Switch between the LCD, the external monitor, and both the LCD and external monitor Expand/shrink screen Switch power mode Hibernation mode 24 ThinkPad 390E
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Fn Key Combinations
The following table shows the Fn key and function key
combinations and their corresponding functions.
The Fn key works independently of the operating system.
The operating system obtains the status through the
system management interface to control the system.
Fn +
Result
F2
Fuel-Gauge display on and off
F3
Standby mode
F4
Suspend mode
F7
Switch between the LCD, the external monitor,
and both the LCD and external monitor
F8
Expand/shrink screen
F11
Switch power mode
F12
Hibernation mode
24
ThinkPad 390E