Where to install?
In electrical cabinets or distribution boxes.
 
          In electrical cabinets or distribution boxes.
 
          Manually reproduction: user independently decides to start the playback input.
 
          Internal storage: in order to start audio/video playbacks stored inside the device.
 
          Scheduled playback: in order to start scheduled reproductions, mainly on specific days, times or hours.
 
          External USB storage: in order to start audio/video files stored in external devices.
