Familiar iPod Features
In certain respects, the iPhone is not an iPod. It doesn't have a click wheel, it doesn't come with any games, and it doesn't offer disk mode (where the iPod acts as a hard drive for transporting computer files).
Tip
OK, OK—there actually is a way to simulate iPod disk mode on the iPhone. Just download iPhone Drive, a shareware program available from this book's "Missing CD" page at www.missingmanuals.com.
It does have a long list of traditional iPod features, though. You just have to know where to find them.
Volume Limiter
It's now established fact: Listening to a lot of loud music through earphones can damage your hearing. Pump it up today, pay for it tomorrow.
MP3 players can be sinister that way, because in noisy places like planes and city streets, people turn up the volume much louder than they would in a quiet place, and they don't even realize how high they've cranked it.
That's why Apple created the password-protected volume limiter. It lets parents program their children's iPods (and now iPhones) to max out at a certain volume level that can be surpassed only with the password; see iPod.
Sound Check
This feature smooths out the master volume levels of tracks from different albums, helping to compensate for differences in their recording levels. It doesn't deprive you of peaks and valleys in the music volume, of course—it affects only the baseline level. You turn it on or off in Settings (Messages).
Equalization
Like any good music player, the iPhone offers ...
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