48SettingsRingtones and soundsSelect one of the profile above or you can create yourown profile by tapping ` "New". Edit the followingitems.• "Name"• "Alert style"• "Audible selection"*• "Volume"• "Ringtone"• "Message alert"• "Email alert"• "Calendar alert"• "Alarm alert"* Set the operation sound when selecting from a menu.DisplayNote• When the battery level becomes low, "Brightness"automatically sets to its minimum to conserve power.eco modeLocation & securityRingVibrateSilentTap "OK" to set this product not to emit sound, etc., foretiquette when in a public or similar place.Alternatively, press and hold the power switch for onesecond or longer, and tap "Silent mode".Ring and vibrateAirplaneBrightnessCheck the box of "Automatic brightness" to detectsurrounding brightness and adjust automatically.Auto-rotate screenSet whether the display switches automatically accordingto the orientation of this product.AnimationSet the animation to display if the screen switches.Screen timeoutSet the time until the screen back light turns off. Aboutfive seconds after the backlight turns off, you can tapto turn it on again.eco modeIf you set "AUTO", eco mode turns on automaticallyaccording to the battery level set with "Auto setting".eco mode option settingsWhen you set "eco mode" to "ON" or "AUTO", you canset the below items.BrightnessScreen timeoutTurn off BluetoothTurn off Wi-FiUnuse GPS satellitesStop syncStop live wallpapersAuto settingIf you set "eco mode" to "AUTO", set the battery level atwhich eco mode turns on automatically.AboutUse wireless networks (P.39)Use GPS satellites (P.39)Set up screen lockConfigure to enter the unlock security code for unlockingthe screen.Customer Lock Screens (P.24)Set up SIM card lockLock SIM cardChange SIM PIN (P.53)Visible passwordsSet to display characters when entering a password.Select device administratorsUse secure credentialsPermit access to safe certificates and other credentialsinformation.A credential information storage password must be setbeforehand.Install from SD cardInstall an encrypted certificate from a microSD card.Set passwordSet a password for credentials information storage.Clear storageDelete all credentials information and reset thecredentials information storage password.