Apple’s release of an AirPort Utility app for iOS 5 lets you leave the desktop version behind for most base station configuration tasks. It’s free, and has the bonus of a graphic presentation of your network layout and connections among base stations. Glenn Fleishman has the details at Macworld. follow link
View Extra Audio Details in Snow Leopard
In Snow Leopard, Option-clicking the Volume icon in the menu bar displays a list of sound input and output devices. Choose one to switch to it; it's much easier than using the Sound preference pane. Also, hold Shift and click the icon to set the system volume, which is separate from the general output volume.
Use the New AirPort Utility App for iOS 5
Check out the Take Control ebooks that expand on the topic in this article: