The EV-700 is a digital announcing machine capable of recording/playback. It is ideal for periodical,attention calling, and guide broadcasts uses in commercial and public facilities. Using the Setting Software makes it easy to perform sound source rewriting, settings, and controls. Preset sound sources like chime sound and Westminster chime are stored on the supplied memory card. The EV-700 can be mounted in an EIA-Standard equipment rack with the optional rack mounting bracket (1U size).