TROUBLE SHOOTING
Fault
Possible Cause
Solution
No sound
1. No input sound source.
2. Volume is too low.
1. Use a better music signal.
2. Adjust volume.
Distortio
n of
sound
1. Volume too high.
2. Speaker may be damaged.
1. Turn down the volume.
2. If speaker is damaged, repair or
replace it.
Karaoke
does not
work
1. Microphone plug is not fully
inserted.
2. Microphone switch is not on.
3. Microphone volume knob is at
the lowest position.
1. Plug microphone properly into
the socket.
2. Turn on microphone switch.
3. Adjust microphone volume
properly.
MP3 does
not play
1. The song format in the U disc
is incorrect.
2. Improper operation has
caused a process disorder.
3. USB disc is disconnected.
1. Transform song format into Mp3
format.
2. Reboot the machine.
3. Insert USB disc properly.
BUILT-IN BT FUNCTION
• Press "STANDBY/INPUT" button to choose the input signal source as BT channel when
starting the machine.
• Please ensure the BT devices you want to connect is open. Then scan and connect the
speaker with the device. When the connection is successful, "tick" tone will prompt. If the
speaker can't be connected, please restart the speaker or the device and try again.
• After the mobile phone and the BT are successfully connected, you can play music. To
ensure continuous stability of the music signal, try to keep the BT and the mobile phone
facing one another.
• The BT of the unit can be used up to 10 meters if there are no barriers.