Regarding RCA RP5011A Turn on = Play + Menu (at the same time) Turn off = Stop (will revert to just clock) Selecting folders or changing options = Turn on then press menu to move through options and use the forward and backward buttons to change within options Deleting a file within a folder = Select the folder through menu options (A or B) then exit menu (cycle through all options or press stop once while in menu) then press the forward key to cycle through files within folders (1 or 2) then press delete once to display "Del" next to file then press delete a second time to delete file. Take batteries out to quickly reset recorder (will not lose saved files)