User's Manual

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Personal > Location services.
 Don't leave the Maps or Navigation apps open on the screen when you're not using them. They use GPS (and
thus more power) only when they're running.
 Turn down screen brightness and set a shorter Sleep timeout: Settings > Device > Display.
 If you don't need it, turn off automatic syncing for all apps: Settings > Personal > Accounts & sync. Note that
this means you need to sync manually to collect messages, email, and other recent information, and won't
receive notifications when updates occur.
 If you know you won't be near a mobile or Wi-Fi network for a while, switch to Airplane mode:
Press and hold the power switch until the Tablet options dialog appears. Then touch Airplane Mode.
Check battery level and usage details
 Open Settings > Device > Battery.
The list at the bottom of the screen shows the breakdown of battery usage for individual apps and services. Touch a
graph for more details. The details screen for some apps includes buttons that allow you to adjust settings affecting
power usage, or stop the app completely.
Warning!
If you stop some apps or services, your device may not work correctly.
Battery status (charging, discharging) and level (as a percentage of fully charged) are displayed at the top of the
screen.
The discharge graph shows battery level over time since you last charged the device, and how long you've been
running on battery power.
Optimize data usage
To adjust the settings described here:
1. Touch the Settings icon on a Home or All Apps screen.
2. Touch Wireless & networks > Data usage.
By default, you see the settings for mobile data: that is, the data network or
networks provided by your carrier:
It's possible to show Wi-Fi data usage settings in a separate tab. To do so, touch