24 2A. Device Basics Turn Wi-Fi off when not is use. See “Turning Wi-Fi Onand Off” on page 152. Deactivate the GPS when not needed. Mostapplications using this function will periodically querythe GPS satellites for your current location; eachquery drains your battery. See “Activating LocationMode” on page 184. Do not wait until your battery is completely depletedbefore charging your device. Repeating this processof a complete discharge and recharge can over timereduce the storage capacity of any battery. Turn off Automatic application sync. See“Synchronizing Accounts” on page 65. Use the Power Control Widget to deactivate hardwarefunctions such as Wi-Fi, Bluetooth, GPS,Synchronization, or LCD brightness setting. Check the Running Services and close anyunnecessary applications.Device Function KeysThe Samsung Replenish™ offers four main functionkeys that can be used on any screen to provide addedfunctionality.Menu KeyThe Menu key ( ) activates an available menufunction for the current screen or application. When onthe Home screen, the following menu options areavailable: Add ( ) adds one of the following functions toa selected screen: Widgets, Shortcuts, Folders,and Wallpapers. (See “Customizing Your HomeScreen” on page 35.) Wallpaper ( ) lets you to customize the currentscreen’s wallpaper image. You can obtain thisimage from either your Pictures folder, from any ofthe available images within the device’sWallpaper gallery, or from the animated LiveWallpapers. (See “Changing the Display Screen”on page 63.)SPH-M580.book Page 24 Thursday, January 12, 2012 2:53 PM
