Settings 149Emergency NumberEmergency Numbers lets you set up to 3 numbers that yourphone will be able to call with your phone in Airplane Modeor locked. (For more information, refer to “Dialing EmergencyNumbers” on page 39.)Note: 911 is preset as one of the Emergence numbers.1. From the Settings menu, touch Call settings ➔Emergency Number.2. Touch one of the emergency numbers to change it orenter a new value.3. To save your changes, touch Save.SoundSilent modeTemporarily silence all the sounds your phone makes exceptfor media playback and alarms.1. From the Settings menu, touch Sound.2. Touch Silent mode to enable or disable silent mode.When enabled, a check mark appears in the check box.VibrateWhen enabled, your phone vibrates to alert you to incomingcalls, as well as playing the call ringtone. From the Settings menu, touch Sound ➔ Vibrate to setyour phone to Always vibrate, Never vibrate, vibrateOnly in silent mode, or Only when not in silent mode.Note: The Vibrate setting is independent of other call soundssettings. For example, if you have Silent mode enabledwith Vibrate set to Always, your phone won’t play aringtone, but will vibrate for an incoming call.