Settings 147Auto hapticWhen enabled, Auto haptic causes haptic vibrations to occurin response to sounds from downloaded apps, such asgames.Note: Some downloaded apps do not support this feature.1. From the Sound menu, under System, touchAuto haptic to enable haptic vibrations fordownloaded apps,or touch Auto haptic to disable hapticvibrations for downloaded apps.2. Touch Auto haptic to turn enable or disable the setting.Emergency toneYou can set your phone to play an alert tone or vibrate duringan emergency call (for example, calls to 911).1. From the Sound menu, under System, touch Emergencytone.2. Touch Alert or Vibrate, or touch Off for no emergencytone.Display From the Settings screen, under Device, touch Display.The Display menu appears.GeneralBrightnessSet the default screen brightness.1. From the Display menu, under General, touchBrightness.2. Touch and drag the slider to set the brightness, ortouch Automatic brightness to allow the phone to adjustbrightness in response to light conditions.3. Touch OK to save the setting.Screen timeoutSet the length of delay between the last key press or screentouch and the automatic screen timeout (dim and lock).1. From the Display menu, under General, touchScreen timeout.2. Touch a setting to select it.