What are the default Fn-Key Functions?

May 4, 2011
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I've got a MacBook Pro running OS X 10.6.8.

Does anyone know what the default settings are for the function keys (say, if you are using the Finder)?

For example, what's supposed to happen if you type Fn-1?

I've figured out a few (Fn9-12), but want to know what the other function keys are set to do.

Second question -- just as important -- is there any way native to OS X to reassign the function keys' functions? (or if not native to OS X --without having to use a script or something-- is there third-party software that you recommend?)

(I found an Apple webpage discussing the Fn keys, but the content of the discussion is not available: currently "under maintenance.")

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