... 5 second to shut down power.7. >//, RPT, RDM button1) In MMC/SD card or USB playing conditionClick ... ) In MMC/SD card or USB modeClick 4 / RDM button, it will play all tracks in any order, ... and display will appear characters "RDM" for 2 seconds. Click this button again, it ... cancel the random play, simultaneously screen will appear characters "RDM OFF" for 2 seconds.5) In MMC/SD ...