Hardware Reference
In-Depth Information
Assault on batteries
Because this is a chapter of tips and hints, we'd be remiss if we didn't include some ways that you can
extend your battery life. First and foremost: If you use a carrying case, charging the iPad while it's in
that case may generate more heat than is healthy. Overheating is bad for both battery capacity and
battery life. So take the iPad out of the case before you charge it. The Smart Cover isn't actually a
case, so if you use one of those, you're good to go.
If you're not using power-thirsty 3G, 4G, or Wi-Fi networks, or a Bluetooth device (such as a headset),
consider turning off the features you don't need in Settings. Doing so could mean the difference
between running out of juice and seeing the end of a movie.
Activate Auto-Brightness to enable the screen brightness to adjust based on current lighting
conditions. Using this setting can be easier on your battery. Tap Settings⇒Brightness, and
then tap the On/Off switch, if necessary, to turn it on.
Turn off Location Services (tap Settings⇒Location Services) globally or for individual apps
with the On/Off switches. Figuring out your precise location takes its toll on your battery, so
you may want to disable Location Services for apps you don't use very often.
Push notifications are notorious juice-suckers as well. Disable them (tap Settings⇒Mail,
Contacts, Calendars⇒Fetch New Data⇒Push On/Off switch) and watch your battery life im-
prove dramatically. You can disable push notifications for other apps via Settings⇒Notifica-
tions.
The Way-Cool Semi-Hidden Audio Scrub
Speed Tip
Here's the situation: You're listening to a podcast or audiobook and trying to find the beginning of a
specific segment by moving the Scrubber bar — the little red line representing the playhead — left
and right. The only problem is that the Scrubber bar isn't very precise and your fat finger keeps mov-
ing it too far one way or the other. Never fear — your iPad has a wonderful (albeit somewhat hid-
den) fix.
Just press your finger on the Scrubber, but instead of sliding your finger to the left or
right, slide it downward toward the bottom of the screen. (See Figure 20-4 .)
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