... .in FM Radio state, long press “ PLAY/SCAN “key, the machine will search the radio channels automatically ,in ... music or FM State Press “PLAY/SCAN” key is Play or Pause ,press “PREV” is last ... channel, long press is volume decease, Press “PLAY/SCAN” key is play or pause the music, ,press “NEXT” ... increase.In FM or Music state, press “Number key board “you can choose the music or choose FM ...