Recording cannot be done The buttons do not work • Thekeymaybelocked�Pressandholdthe buttonto deactivatethelockfunction� The MP3 player does not • UseapapercliptopresstheresetbuttontoturntheMP3player function properly off�Pressthe buttontoturnitonagain� Specifications Model DMP270E MP3/WMA/WAV Audio Format MP3 bit Rate 8~320Kbps WMA bit rate 5Kbps-384Kbps S/N rate 80dB(30Kfilter) Dynamic range ≥80dB...