Fn key combinations
The following table shows the function of each combination
of Fn with a function key.
Key
combination
Description
Fn+F1 Reserved.
Fn+F2 Reserved.
Fn+F3 Turn off the computer display, leaving the
screen blank. To turn the computer display on
again, press any key or press the TrackPoint
pointing stick.
Fn+F4 Put the computer in standby mode. To return to
normal operation, press the Fn key only,
without pressing a function key.
Notes:
1. This mode is called suspend mode in
Windows NT.
2. In Windows 2000 and Windows XP, this
combination of keys functions as a sleep
button. The setting can be changed so that
pressing it puts the computer into
hibernation mode or even shuts the
computer down.
Fn+F5 Control the power source of the built-in
Bluetooth wireless device. This combination of
the keys functions as a toggle switch of the
power state.
Note: In Windows 2000 or Windows XP, this
combination of keys enables or disables the
built-in wireless networking features (the IEEE
802.11 standard) and the Bluetooth wireless
features. To use this function, the following
drivers must be installed.
v ThinkPad Power Management driver
v OnScreen Display utility
v Wireless device drivers
Fn+F6 Reserved.
(continued)
Product overview
ThinkPad T43/T43p Series 55
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