FUNCTION OF FRONT BOARD
Function of front board:
1. USB/SD/MMC cord connector
2. Equalizer: 5 band EQ adjustment
3. MIC input jack
4. Bass adjustment
5. Treble adjustment
6. Volume adjustment
7. EQ input display
8. Remote control receiver
9. MP3 next song/FM next frequency/VOL+
10. MP3 pause/play
11. Working status display window
12. MP3 last song/FM last frequency/ VOL-
13. AUX/DVD/MP3/FM/BT input selected
14. MIC volume adjustment
15. Power on/off
16. MIC echo adjustment