Master Volume; Troubleshooting Guide - Ltc Audio KARAOKE-STAR3-WM Manual De Instrucciones

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EQ (Select among various styles of music)
MP3/BLUETOOTH
12. LCD display
Shows information about the selected title, playing time, settings and play mode
13. USB input

14. MASTER VOLUME

Adjust the volume of the speaker system
15. POWER
Press to turn the main unit ON or OFF.
BACK PANEL – KARAOKE-STAR3-WM AMPLIFIER
1. Power supply input: 220-240Vac 50-60Hz
2. Front right speaker output
3. Front left speaker output
4. DVD signal input
5. USB signal output
6. Bluetooth antenna
7. VHF mic antenna
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 positive 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.
©Copyright LOTRONIC 2014
USE OF THE WIRELESS MICROPHONES
Press button 7 on the front panel to activate the VHF feature. Set the 3 position switch on
the microphone to ON.
BLUETOOTH Mode & PAIRING
Set the input selector switch (10) to Bluetooth and press the BLUETOOTH/MP3 (11)
button to select the BLUETOOTH input mode.
Activate the Bluetooth function on your Bluetooth cell phone so that the cell phone starts
searching for Bluetooth devices (please refer to the Users' Manual of cell phone for more
details).
During search the Bluetooth LED is flashing quickly.
Select «BT SPEAKER » in the list of the found devices.
The identification code is "0000"
After successful pairing the Bluetooth LED will flash slowly.
MAINTENANCE
Use a damp cloth to clean and avoid any chemical materials and polishes on the cabinet
and grill.
MAIN SPECIFICATIONS – KARAOKE-STAR3-WM AMPLIFIER
Power Supply
Frequency Response
Main channel output
Total Harmonic Distortion
S/N Ratio
Tone Control
Frequency Mic 1
Frequency Mic 2

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.
220-240V AC -50/60Hz
20Hz-20KHz (±3dB)
13W+13W
≤0.5%
≥80dB
Treble ±12dB (10KHz)
Bass ±12dB (100Hz)
203.6MHz
208.8MHz
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.
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