90 Customizing Your Dell™ StreakTo manually set the date, time and time zone1 Touch the Home button → Menu button → Settings→ Date &time, ortouch the Application button → Settings icon → Date & time.2 Touch a desired option.Silent mode Mute everything except alarms, music and videos.NOTE: If Silent mode is enabled, only Media volume andPhone vibrate are adjustable.Ringer volume Adjust ringer volume for incoming calls andnotifications.1 To adjust ringer volume for incoming calls, drag theIncoming call volume slider horizontally or touchthe desired portion of it to increase or decreasevolume.2 If you want to set a different volume fornotifications, touch Use incoming call volume fornotifications to clear its check box. Then adjust thevolume in the same way.3 Touch OK to confirm adjustment.Media volume Adjust volume for music and video playback.1 Drag the Media volume slider horizontally or touchthe desired portion of it to increase or decreasevolume.2 Touch OK to confirm adjustment.Phone ringtone Select a desired ringtone for incoming calls.Phone vibrate Set the device to vibrate for incoming calls.Notification ringtone Select a desired ringtone for notifications.Audible touch tones You can hear a tone as you dial using the on-screendial pad.Audible selection You can hear a tone as you touch the screen to selectitems.SD card & USB notifications You can hear a tone when you unmount the SD cardand insert the USB cable.