Elitegroup EB-800C - Manual (Page 67)

ELITEGROUP COMPUTER SYSTEMS CO., LTD. Page 67
Rescan -- A press on this option will start the system to rescan the media files in the external SD card.
This can ensure the listed content is the latest one every time you insert an external SD card.
Audio Library -- This option can bring you back to the main screen of the audio library.
7.5.2 Context menu
A long-press on particular item will bring up a context menu available for the item.