Device Function Keys - Samsung Replenish SPH-M580 User Manual

Turn Wi-Fi off when not is use. See "Turning Wi-Fi On
and Off" on page 152.
Deactivate the GPS when not needed. Most
applications using this function will periodically query
the GPS satellites for your current location; each
query drains your battery. See "Activating Location
Mode" on page 184.
Do not wait until your battery is completely depleted
before charging your device. Repeating this process
of a complete discharge and recharge can over time
reduce the storage capacity of any battery.
Turn off Automatic application sync. See
"Synchronizing Accounts" on page 65.
Use the Power Control Widget to deactivate hardware
functions such as Wi-Fi, Bluetooth, GPS,
Synchronization, or LCD brightness setting.
Check the Running Services and close any
unnecessary applications.
24 2A. Device Basics

Device Function Keys

The Samsung Replenish™ offers four main function
keys that can be used on any screen to provide added
functionality.
Menu Key
The key ( ) activates an available menu
Menu
function for the current screen or application. When on
the Home screen, the following menu options are
available:
( ) adds one of the following functions to
Add
a selected screen: Widgets, Shortcuts, Folders,
and Wallpapers. (See "Customizing Your Home
Screen" on page 35.)
( ) lets you to customize the current
Wallpaper
screen's wallpaper image. You can obtain this
image from either your Pictures folder, from any of
the available images within the device's
Wallpaper gallery, or from the animated Live
Wallpapers. (See "Changing the Display Screen"
on page 63.)