谢谢,我现在打出来,刚刚点错啦
how to connect
1.when connect or open the unit,please first unplug USB jack and cut off the power,or cause the unit mistakes and damage
2.please be suer that the connections for Sub audio signal innput is correct
3.please be sure that all cables is connected,if loosen,maybe no sound or has noise etc.
4.When connect with SD card,please first unplug audio signal cable,or the unit cannot read it.
5.please note that a slit of SD card should be upwards.