This category of actions is available from any application context.

	Use this action for adjusting the master volume according to the moves of your mouse. Once launched, the volume will increase when you move your mouse up and will decrease when moving it down. You may also mute the volume by pressing the left button of your mouse.
	Use this action for increasing the master volume by one increment
	Use this action for decreasing the master volume by one decrement
	Use this action for muting the master volume