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BACK PANEL FUNCTIONS
1. USB Control board
2. USB and Micro SD Memory Card Slot
3. Master volume control knob
4. 3.5MM AUX input jack
5. Bass volume control knob
6. Treble volume control knob
7. Echo volume control knob
8. Microphone volume control knob
9. Charge LED indicator, red color is
on charge mode, blue color is full
charge mode
10. DC 9V input jack
11 6.5MM microphone input jack
12. Extra DC 12V input
13. Power switch
14. LED light switch
15. FM antenna
REMOTE CONTROL FUNCTIONS
1. Standby button
2. Choose input AUX/FM/BT/USB signal
3. Mute button
4. Play/Stop button on MP3 mode,
scan function on FM mode.
5. Next song on USB/Micro SD card,
next channel on FM mode.
6. Previous song on USB/Micro SD card,
last channel on FM mode
7. EQ eect on MP3 mode
8. Increase speaker volume
9. Choose song number directly
on MP3 mode
10. Stop button
11. Decrease music volume
12. Repeat song on USB/Micro SD memory card
TROUBLESHOOTING
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1. The audio format in the U disc is
incorrect.
2. Improper operation has caused
a process disorder.
3. USB disc is disconnected.
1. Convert audio format into Mp3
format.
2. Reboot the machine.
3. Insert USB disc properly.
MP3
does not
play
Fault
Possible Cause
Solution
No sound
Distortion
of sound
Karaoke
does not
work
1. No input sound source.
2. Volume is too low.
1. Volume too high.
2. Speaker may be damaged
1. Microphone plug is not fully
inserted.
2. Microphone switch is not on.
3. Microphone volume knob is at
the lowest position.
1. Use a better music signal.
2. Adjust volume.
1. Turn down the volume.
2. If speaker is damaged, repair
or replace it.
1. Plug microphone properly into
the socket.
2. Turn on microphone switch.
3. Adjust microphone volume
properly.
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