Android IP Video Phone D900 User Manual124equipmentDevice Settings interfacevoiceconfiguration item meaningvoice Adjust the media, ringtones and notifications, and the volumeof the alarm clock.mobile phone ringtone Select call bell.The default notificationsound When selecting text messages to prompt.Dial-up touch keyboardsound After open click to dial a beep .Touch the prompt After opening a beep when touching the screen.Lock screen prompt After opening a beep when the lock screen.displayconfiguration item meaningbrightness Adjust the screen brightness (can be made automaticallyadjust screen brightness).wallpaperSet the phone screen wallpaperLive wallpaper: use the system with dynamic wallpaper, screenwallpaper dynamic;Gallery: pick up image from the gallery as the wallpaper;Take picture as wallpaper wallpaper: use system;dormant Choose when to phone without any operation after a certaintime, the unit into a dormant state.