Background (MENU-> Settings -> Background)ACN IRIS X has four desktops and each desktop can be set with a different background according to your preference.For each desktop, you can select a color or an image from local/external files to display. After the selection, you canpreview the settings. Press Save for the phone to take effect.Background SettingsTones (MENU-> Settings -> Language)The Tones Manager configures the volume and ringtones. The Tones menu is accessible by selecting MENU-> SystemSettings-> Tones.The Volume page allows you to turn up/down the key volume and ring volume by pressing or .Tones->VolumeIn the page Tones, you can set the Event Alert Tones for the events added in the Calendar application. All the tonescan be set from the built-in tones/music or from local/external storage file if Customized is selected.