IBM T22 User Manual
Fn key combinations
The following table shows the function of each combination
of Fn with a function key.
of Fn with a function key.
Key
combination
combination
Description
Fn+F1
Reserved.
Fn+F2
Reserved.
Fn+F3
Turn off the LCD display, leaving the screen
blank. To turn the LCD display on again, press
any key or the TrackPoint stick.
Note: To use Fn+F3 for screen blank in
Windows 2000 and Windows XP, you must have
IBM PM device driver installed on your
computer.
blank. To turn the LCD display on again, press
any key or the TrackPoint stick.
Note: To use Fn+F3 for screen blank in
Windows 2000 and Windows XP, you must have
IBM PM device driver installed on your
computer.
Fn+F4
Turn standby mode on. To return to normal
operation, press the Fn key independently,
without pressing a function key.
operation, press the Fn key independently,
without pressing a function key.
Fn+F5
Reserved.
Fn+F6
Reserved.
Fn+F7
Switch between the LCD and an external
monitor (CRT). If an external monitor is
attached, computer output is displayed in the
following three patterns by turns:
monitor (CRT). If an external monitor is
attached, computer output is displayed in the
following three patterns by turns:
v
CRT display
v
LCD+CRT display
v
LCD
Fn+F8
Turn screen expansion on or off. (There is no
symbol on the key.)
Note: This function is not supported in Windows
2000 and Windows XP.
symbol on the key.)
Note: This function is not supported in Windows
2000 and Windows XP.
Fn+F9
Reserved.
Fn+F10
Reserved.
Fn+F11
Reserved.
Fn+F12
Turn hibernation mode on. To return to normal
operation, press the power button for less than
four seconds.
Note: To use Fn+F12 for hibernation in
Windows 2000 and Windows XP, you must have
IBM PM device driver installed on your
computer.
operation, press the power button for less than
four seconds.
Note: To use Fn+F12 for hibernation in
Windows 2000 and Windows XP, you must have
IBM PM device driver installed on your
computer.
Fn+PgUp
Turn the ThinkLight on or off.
Fn+Home
The LCD becomes brighter.
Fn+End
The LCD becomes less bright.
Product overview
48
ThinkPad T20, T21, T22, T23 (MT 2647/2648)