Troubleshooting Guide - LTC Audio KARAOKE-STAR4MKII Bedienungsanleitung

12. MASTER VOLUME: Adjust the volume of the speaker system
13. INPUT SIGNAL SELECTOR: Choose input signal: AUX, MP3/ Bluetooth
14. INPUT SIGNAL SELECTOR: Choose input signal: MP3, Bluetooth
15. Normal: Press this button to adjust the tone of microphone to be normal
16. Robot: Press this button to adjust the tone of microphone to be robot
17. High: Press this button to adjust the tone of microphone to be higher frequency.
BACK PANEL – KARAOKE-STAR4-MKII AMPLIFIER
1. AUX Audio Input: Connect the AUX signal here.
2. Main Speaker Output: Connect the main speakers here.
3. Power supply: Use the power cord provided with the amplifier to power on the
amplifier.
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 2016
Bluetooth connection:
To play Bluetooth signal, enable the Bluetooth function on a Bluetooth device like cell
phone and set the amplifier to Bluetooth input mode and then search for available
Bluetooth devices nearby on cell phone. The Bluetooth name of the amplifier is
"KARAOKE-STAR4-MKII". Pair and connect. There is no pairing code.
Note: The amplifier is only discoverable when input is set to 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
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 2016