PATH Hardware Documentation
> PowerBook G3 Series 1999
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Function Keys
The function keys, F1-F12, are used as control buttons for the display and sound; unused function keys are NOPs. These keys are affected by the Function keys checkbox and the Fn key.
Table 3-5
is a list of the function keys and their operation as control buttons.
Table 3-5
The function keys as control buttons
Key name
|
Control button
|
F1
|
Decrease display brightness
|
F2
|
Increase display brightness
|
F3
|
Decrease speaker volume
|
F4
|
Increase speaker volume
|
F5
|
Num Lock
|
F6
|
Mute speaker
|
F7
|
NOP
|
F8
|
NOP
|
F9
|
NOP
|
F10
|
NOP
|
F11
|
NOP
|
F12
|
NOP
|
© 1999 Apple Computer, Inc. (Last Updated 29 April 99)