Disabling Function Keys in Select Applications

Long ago in an OS far away, I knew how to disable the function keys so I could map them as I chose in my mappable apps. I know this was — at the time — a terminal command, but I just can't remember it. I would settle for knowing how to do that again, but what I would really like is the ability to either quickly turn on and off the Mac default uses for the function keys or, better yet, have it turn off in certain apps.
I've tried the "Use all F1, F2, etc. keys as standard function keys," button in the Keyboard & Mouse System Settings, but I don't see where that has any sort of effect. The reference there to the 'fn' key makes me think it's only for laptops. Do I have to restart the app or the computer? Will that do what I'm looking for?
Any help?
Thanks,
Martin

I would settle for knowing how to do that again, but what I would really like is the ability to either quickly turn on and off the Mac default uses for the function keys or, better yet, have it turn off in certain apps.
I've tried the "Use all F1, F2, etc. keys as standard function keys," button in the Keyboard & Mouse System Settings, but I don't see where that has any sort of effect.
yes, it does have an effect. it lets you use F-keys as regular keys and map them to what you want.
The reference there to the 'fn' key makes me think it's only for laptops.
no, this is for any keyboard that has a fn key. if you have it on your keyboard then you get that checkbox in keyboard system preferences. if you don't have it the checkbox won't even show up. when the box is checked you have to hold fn to get the functionality of the F-keys written on them. otherwise they act as regular keys that can be mapped to whatever you want. you can do this in system preferences->keyboard&mouse->keyboard shortcuts.

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try below code
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"you in turn swith on/off your desired button
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yes, it does have an effect. it lets you use F-keys as regular keys and map them to what you want.
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iKey lets you define function keys per application. You seem to want to turn on & off the defined apple keys. Not sure if these keyboard re-mappers will do the trick.
Here is my other most favored application. Of course, I haven't checked these out in newer OS's. I'm a Tiger man myself.
iKey is a front end program that simulates typing and mouse movements. I use iKey to remap the Function keys.
"iKey is an automation utility, a program that creates shortcuts to accomplish repetitive tasks. In essence, an iKey shortcut is a little program in its own right, but you don't need to know the first thing about programming to create an iKey shortcut. All you have to do is put together three necessary parts of a shortcut: One or more commands that give the shortcut its functionality, a context in which it runs, and a launcher that defines how the shortcut is activated."
http://www.scriptsoftware.com/ikey/
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http://www.versiontracker.com/dyn/moreinfo/macosx/11485&vid=75326
( Send me a message for a copy of youpi key. )
*Examples:*
I have the common programs that I use assigned to function keys. I have F4 assigned to Firefox. When I want to start FireFox, I press F4. When I want to switch to firefox, I press F4! Starting & switching to an application in Mac OS are the same thing in Mac OS.
Here is an example of to assign volumn control to a function key.
http://discussions.apple.com/message.jspa?messageID=10361085#10361085
Here is my script for listing my application folder. I have it assigned to function-key 6.
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Full Key Codes
http://download.cnet.com/Full-Key-Codes/3000-2094_4-44175.html
Spark
"Spark is a powerful, and easy Shortcuts manager. With Spark you can create Hot Keys to launch applications and documents, execute AppleScript, command iTunes, and more... You can also export and import your Hot Keys library, or save it in HTML format to print it. Spark is free, so use it without moderation!"
http://www.versiontracker.com/dyn/moreinfo/macosx/22675
Mac OS X remap or rename keyboard keys
by vivek
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http://theos.in/apple/download-doublecommand-to-remap-keyboard-keys/
Keyboard Maestro is a powerful macro program for Mac OS X (including Tiger and Leopard) which has received glowing reviews. Keyboard Maestro will take your Macintosh experience to a new level in “Ease of Use”. With Keyboard Maestro you can design a custom action sequence with your own shortcuts and use them at any time, you can navigate through running applications and open windows with Program Switcher, and you can work with an unlimited number of clipboards - all by pressing simple keystrokes.
http://www.keyboardmaestro.com/main/
"Spark is a powerful, and easy Shortcuts manager. With Spark you can create Hot Keys to launch applications and documents, execute AppleScript, command iTunes, and more... You can also export and import your Hot Keys library, or save it in HTML format to print it. Spark is free, so use it without moderation"
http://www.versiontracker.com/dyn/moreinfo/macosx/22675

Disabling Function Keys in Select Applications

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