260 Section 6B: CustomizingSetting System SoundsSilencing SoundsYou can immediately silence all alerts, ringtones, music that plays through the built-inspeaker, and system sounds by sliding the Ringer switch to Sound Off . This does not,however, mute the audio during a phone call.1. Slide the Ringer switch to Sound Off . (Your device vibrates once to let you knowthat you’ve turned sounds off.)2. To hear all sounds again, slide the Ringer switch to Sound On .When you slide the Ringer switch back to Sound On , it restores the previous soundsettings.Tip: Your device includes a silent alarm that can vibrate even when theRinger switch is set to Sound Off. For information on setting the vibrateoption, see the section on setting alert tones in the chapters thatdescribe the individual applications.Sound OffSound On