[READING] is displayed for an extended time, or it takes a long time before playback starts.
- The reading process can take a long time in the following cases:
- There are many folders or files on the USB device.
- The file structure is extremely complex.
- The memory capacity is excessive.
- The internal memory is fragmented.
- Folder paths: up to 128 characters long
- Total files per folder: 150 or less.