Ltc Audio KARAOKE-STAR4-MKII Manual De Uso página 4

ENGLISH
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.
WIRING THE SPEAKERS
IMPORTANT: please turn off your amplifier before connecting or disconnecting speakers
•
Ensure that you connect the positive speaker terminal (red) to the positive (red) amplifier speaker output.
Take care to ensure that the polarity is preserved ie do not connect the negative speaker terminal to the posi-
tive amplifier speaker output.
•
Repeat for the negative speaker terminal (black) and the negative (black) amplifier speaker output.
TEST
Once connected, turn on system start at a low volume and increase gradually to a comfortable volume level.
The system should sound balanced with good sound reproduction. If the set sounds distorted check to make
sure that the speakers have been correctly wired with your amplifier.
MAINTENANCE
Use a damp cloth to clean and avoid any chemical materials and polishes on the cabinet and grill.
TROUBLESHOOTING GUIDE
Problem Possible Reason
Unit is not plugged in correctly
No Power
Fuse blown
Cables connection not secure
Speakers cables are not connected
No sound
Volume is very low.
Input source in MUTE mode.
Cables damaged or contacts not secure
Noise from
Strong magnetic interference when
Speakers
placed close to the amplifier
Microphone is OFF
No sound from
Microphone
MIC volume is very low
Microphone too close to speakers
Howling
SPECIFICATIONS:
Power Supply ...................................................................................................................................... 220-240V~ 50/60Hz
Frequency Response ............................................................................................................................20Hz-20KHz (±3dB)
Main channel output .........................................................................................................................................75W + 75W
Total Harmonic Distortion ..........................................................................................................................................≤0.5%
S/N Ratio.................................................................................................................................................................... ≥80dB
Tone Control ......................................................................................................................................Treble ±12dB (10KHz)
.............................................................................................................................................................Bass ±12dB (100Hz)
BT Frequency range .....................................................................................................................................2402-2480MHz
Weight ..........................................................................................................................................................................6.3kg
This marking indicates that this product should not be disposed with other household wastes throughout the EU. To
prevent possible harm to the environment or human health from uncontrolled waste disposal, recycle it responsibly to
promote the sustainable reuse of material resources. To return your used device, please use the return and collection
systems or contact the retailer where the product was purchased. They can take this product for environmentally safe
recycling.
4
Examine & Repair
Check the power outlet
Contact technical personal
Check all connection cables.
Check the connection between amplifier & spea-
kers.
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 2023