Troubleshooting Guide - Ltc Audio KARAOKE-STAR4 Manual De Instrucciones

play time.
8. TREBLE CONTROL Adjust to
strengthen or weaken treble
response.
BACK PANEL – KARAOKE-STAR4 AMPLIFIER
1. Bluetooth antenna
2. AUX signal input
3. FR speaker output
4. FL speaker output
5. Power : 220-240Vac 50/60Hz
USING THE AMPLIFIER
Select a sound source
Turn the VOLUME button to the lowest first. Switch the unit on. Use input signal button
to select the sound source.
Turn the VOLUME butt on to adjust Left and Right channel to a suitable level.
Use the USD play buttons to adjust the MP3 music playback.
Use the TREBLE button to adjust the treble to a suitable level.
Use the BASS button to adjust the bass to a suitable level.
Use the BALANCE button to adjust the volume level of R/L CH.
© Copyright Lotronic 2012
14. INPUT SIGNAL SELECTOR: Choose
input signal: MP3, Bluetooth
Playing Karaoke
Turn the VOLUME button to the lowest first. Switch the unit on. Use the input signal
button to select the sound source.
Turn the MIC1/2. VOL button to the lowest, plug 1 or 2 microphones into the MIC1 or
MIC2 Jack, adjust the MIC1. VOL & MIC2. VOL controls to a suitable level.
You can adjust the microphone echo by using M. ECHO button.

TROUBLESHOOTING GUIDE

Problem Possible Reason
No Power Unit is not plugged in correctly
Fuse blown
No sound Cables connection not secure
Speakers cables are not connected
Volume is very low.
Input source in MUTE mode.
Noise from Cables damaged or contacts not secure
Speakers Strong magnetic interference when placed
close to the amplifier
No sound Microphone is OFF
from MIC volume is very low
Microphone
Howling Microphone too close to speakers
Warning: Always switch the amplifier off at the plug when connecting other
devices like DVD or CD Players.
Examine & Repair
Check the power outlet
Contact technical personal
Check all connection
cables.
Check the connection
between amplifier &
speakers.
Turn the VOLUME button
clockwise to a higher level.
Release the input source
MUTE mode.
Change cables or check the
connection jack.
Reposition the amplifier
further away from the
speakers
Turn on the Microphone.
Switch MIC VOL to a higher
level.
Move microphone further
away from speakers or
switch MIC VOL to a lower
level.
© Copyright Lotronic 2012