Introduction : Reassigning the Function Keys in Mac OS X

Reassigning the Function Keys in Mac OS X
When you work with Reason, you will do a lot of navigating between the three main areas - the main mixer, the rack and the sequencer. The quickest way to switch between these areas is to use the function keys F5, F6 and F7 (see “Navigating between the areas” for details). Also, the F2, F3, F4 and F8 keys are shortcuts for showing and hiding the Spectrum EQ window, Browser, On-screen Piano Keys window and the Tool Window, respectively.
However, on many Macintosh models (especially MacBooks), the function keys double as hardware control buttons. For example, they might control the volume of the built-in speaker, the display brightness or keyboard backlight. To make these keys actually work as function keys for software such as Reason, you need to hold the "Fn" key while pressing them.
This can work perfectly OK, but to get the best workflow in Reason we recommend that you change this behavior, so that pressing e.g. the F5 key actually sends "F5" to Reason (and you hold down the Fn key to get the hardware control functions instead). Here is how you change this:
1.
The "Keyboard" preferences are shown.
2.
Now you can use F2-F8 for controlling functions in Reason. To use hardware control features such as volume and display brightness, you need to hold down the "Fn" key before pressing the function keys.
Some function keys might also be pre-assigned to Mac OS X keyboard shortcuts, which will have priority over software such as Reason. This is easily changed:
3.
The Keyboards Shortcuts window shows lists of keyboard shortcuts assigned to system functions. For example, [Cmd]+[F5] is in the Accessibility group assigned to turn VoiceOver on or off. In Reason, this is the keyboard shortcut for detaching the main mixer into a separate window.
4.
5.
From now on, the function keys and keyboard shortcuts will perform their intended functions in Reason.

Introduction : Reassigning the Function Keys in Mac OS X