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Understanding Fn Key Combinations
The following table shows the Fn key and function key
combinations and their corresponding functions.
The Fn key works independently from the operating
system. The operating system obtains the status through
the system management interface to control the system.
Fn+ Description
(alone) Resumes operation from Suspend mode.
F1 Enters the Configuration Utility.
F2 Turns the battery-gauge icon on and off.
F3 Enters Standby mode.
F4 Enters Suspend mode.
F5 Mutes and unmutes speaker.
F6 Turns the hard disk off.
F7 Cycles through display options (LCD, CRT,
both).
F8 Reverses video display.
F9 Reserved.
F10 Reserved.
F11 Reserved.
F12 Enters Hibernate mode.
Insert Increases contrast.
(This combination key does not provide this
function on ThinkPad 701C as TFT screens
do not require contrast adjustment.)
Delete Decreases contrast.
(This combination key does not provide this
function on ThinkPad 701C as TFT screens
do not require contrast adjustment.)
Home Increases brightness.
End Decreases brightness.
PgUp Increases speaker volume, unmutes
speaker.
PgDn Decreases speaker volume.
154 IBM Mobile Systems HMM