Caution / Notice / Hint

HINT: 

• When a large amount of data is in a USB device, it may take a while to begin playback.
• When using a USB device, files that are protected by copyright cannot be played.
• When files are not played in the sorted order, perform the following procedure before inspection.
  1. Add numbers in front of the file names.
  2. Put the files in a folder and copy the folder data to the USB device.