Settings 852. Touch Audible selection to enable or disable tones. Whenenabled, a check mark appears in the check box.Screen lock soundsWhen enabled, sounds play when you lock or unlock the screen.(For more information, refer to “Securing Your Phone” onpage 12.)1. From the Settings menu, touch Sound settings.2. Touch Screen lock sounds to enable or disable screen locksounds. When enabled, a check mark appears in the checkbox.Haptic feedbackWhen enabled, the phone vibrates to indicate screen touches andother interactions. From the Settings menu, touch Sound settings ➔ Hapticfeedback to enable or disable screen touch feedbackvibration. When enabled, a check mark appears in thecheck box.Emergency toneWhen enabled (the default setting) and during an Emergency(911) Call, the phone plays a tone that emergency personnel canuse to locate your phone.Caution!: When you are endangered by intruders, you should disableEmergency tone before placing an Emergency Call. From the Settings menu, touch Sound settings ➔Emergency tone. The following options are available:• Off: Disables Emergency tone playback.• Alert: Enables Emergency tone playback.• Vibrate: Your phone vibrates when you place an Emergency Call.Display settingsBrightnessSet the default screen brightness.1. From the Settings menu, touch Display settings ➔Brightness.2. Touch Automatic brightness to enable or disable automaticscreen brightness adjustment to ambient light levels.When enabled, a check appears in the box.3. With Automatic brightness disabled, touch and drag theslider to set the brightness.4. Touch OK to save the setting.