... Type A&BInsert an adapter into the socker for D/C power, then the blue moodlight of this unit will ... the ON/OFF swith to "ON" position, press 'C/CE' to start the calculator, pressing the function key to ... "AUDIO" jack of this unit by USB cable or D/C(provided), the other into MP3,MP4 or DVD,VCD, ... can be. RadioConnect the computer using the USB or D/C, VOL open the power switch, press SCAN button election ...