You could reassign the keys needed for Exposé and Spaces, no? I have a early 2008 MacBook so all F-keys except F5 and F6 are occupied by various system control buttons (play/pause, dashboard etc).
The volume and overall sound settings in macOS are straightforward and easy to use, but some users may want more control over their Mac's audio. AppleInsider reveals a few tips and tricks that give ...
macOS has two distinct volume control options in the Sound preference pane that affect how a Mac produces sound. The Alert volume slider in the middle controls sound effect and notification volume; ...
One of the things that bugs me about OS X is that the volume adjustments made via the keyboard-based volume keys move in steps that are too large. Invariably, I’ll move the volume down a notch, and it ...