Samsung GALAXY S SGH-T989D - Manual (Page 186)

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This feature allows you set the phone to automatically switch to
power saving mode when the battery is low and configure
additional power saving options.
1. Press  and then tap (Settings)  Power
saving mode. Tap Use Power saving mode. A check mark
displayed at the right side and
in the status bar
indicate active status.
To adjust power saving options:
1. Activate power saving mode (see above).
2. Tap Power saving on at to assign the “battery low” level at
which the power saving mode is activated (10% battery
power, 30%, 50% or 70%.
To activate additional power saving features:
1. Activate power saving mode (see above).
2. Tap any of the available fields to adjust additional power
saving parameters.
• Turn Off Wi-Fi to disable Wi-Fi when it is not connected to a
router.
• Turn Off Bluetooth to disable Bluetooth when not in use or
actively transmitting data.
• Turn Off GPS to disable the GPS location system when not in
use.
• Turn off Sync to disable the feature when the phone is not
synchronizing with the server.
• Brightness to enable screen brightness adjustment.
• Brightness to adjust the brightness of the screen. For more
information, refer to “Adjusting Screen Brightness” on
page 177.
• Screen timeout to adjust the time delay before the screen turns
off when inactive.
• Power saving tips display additional information on the power
saving features.