Fn Key Combinations - IBM ThinkPad X40 Hardware Maintenance Manual

Product overview

Fn key combinations

The following table shows the function of each combination
of Fn with a function key.
Key
combination
Fn+F1
Fn+F2
Fn+F3
Fn+F4
Fn+F5
(continued)
54
ThinkPad X40 (2369, 2370, 2371, 2372, 2382, 2386)
Description
Reserved.
Reserved.
Standby mode
Turn off the LCD display, leaving the screen
blank. Hard disk drive spindown while CPU still
works. To turn the LCD display on again, press
any key or the TrackPoint stick.
Sleep mode
This function causes the system to enter a low
power sleep state. The unit may remain in the
Sleep state for an extended time. For ACPI
systems the OS will determine which state the
system will enter by user setting on the control
panel.
Wireless radio on/off switching
Enable or disable the built-in wireless
networking features ( the IEEE 802.11
standard) and the Bluetooth features. If this
combination of keys are pressed, a list of
wireless features is displayed in the Wireless
Radio Control window. The user can quickly
change the power state of each feature in the
list.