3G Audio KMIX Series User manual

ED-3G-MA-070118-001
LEFT RIGHT CENTER SUB AUX1 L AUX1 R AUX2 L AUX2 R
MIC VOL MUSIC VOL EFFECT VOL
INPUT
Digital Karaoke Pre-processor
KMIX
series
User Manual

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1 Attention
2 Product Introduction
2.1 Audio Frequency
2.2 User Screen
2.3 Other Features
3 Upacking
4 AC power Requirement
5 Front Panel Control
6 Back Panel Control
7 Display and Operation
7.1 Main Screen
7.2 Other Parameter Setting
7.3 System Parameter saving
7.4 Remote Control
7.5 System Function Lock
7.6 PC Control Software GUI
8 Built-in Signal Processing Function
8.1 Music Channel Processing Module
8.2 Mic Channel Processing Module
9 System Control Software
9.1 How to obtain the software
9.2 Software Installation
9.3 Software Main Screen and Usage
10 FAQ
10.1 Audio Frequency Problems
10.2 RS232 / S terminal connection
10.3 Audio Frequency Switch
11 Technical Specification
12 System Diagram
13 Product Dimension
User Manual
CONTENTS

<1>
!
User Manual
Instruction: The lightning flash with arrowhead symbol within the equilateral; triangle is
intended to alert the user to the presence of un-insulated angerous voltage
within the product's enclosure that may be of sufficient magnitude to constitute
a risk of electric shock.
The exclamation point within the equilateral triangle is intended to alert the
user to the presence of important operation an maintenance (servicing)
instructions in the literature accompanying this appliance.
Do not open the cover
Do not open the cover to avoid the risk of electric shock caused by high
voltage parts in the product. Any problems caused by user's wrong actions
are out of warranty.
the cord Please hold the plug when pulling out or plug in the cord. Do not
pull out or touch the cord with wet hand, or it will cause the risk of electric
shock. Power supply cords should be routed so that they are not likely to
be walked upon or pinched by items placed on or against them. When
removing the cord from a power outlet be sure to remove it by holding the
plug attachment and not by pulling on the cord.
Avoid object and liquid entry
Abnormal status
Nonuse for a long time
Take care that objects do not fall into and that liquids are not spilled into
the inside of the product.If the object or liquid enter the product, please
ask qualified personnel to check it.
In the event of abnormal noise and smell, please put off the power supply
and pull out the cord, please ask qualified personnel to check it.
When nonuse it for a long time, please put off the power supply and pull
out the cord to avoid the unexpected dangers.
Do not damage the cord
1. ATTENTION

<2>
User Manual
Thanks for choosing Elder's Karaoke Pre-processor. It is designed on the basis of more
than ten years of designing concept and experience in Karaoke field. The excellent audio
reproduction, special human voice processing and high-performance- price- ratio guarantee
your benefit.
It is multi-channel Karaoke Pre-processor and can be matched with power amplifier. It can
be used in Professional Karaoke, conference room, multi-function hall, Performance bar
and home entertainment. Through digital processing on music and microphone signal, it
provides flexible effect processing and output setting. It's very suitable for Karaoke,
especially for KTV room. All of functions can be adjusted by panel control button and
display in LCD. It also can be connected with PC with built-in control software through
RS232. The special 8 output can be set up two groups: One is Left, Right stereo + Center
+ Bass + Aux1; the other is Stereo AUX2 (according to actual application).
2.1 Audio Frequency
This equipment is adopted 48KHz sampling rate, 24 bits AD/DA conversion technology for
distinguish rate, 32bits floating-point DSP for signal processing. Audio frequency consists
of music input selection, vocal delete, mid-bass balance, tone change and volume control,
tone, echo and mix effect of human voice, even for the noise gate, reverb effect of human
voice according to actual application.
2.2 User Screen
Front Panel:
LCD displays the present effect mode, tone change mode, input channel and other information;
Four MIC output socket and Input gain Pot;
Eight Function Key and Three Main volume knob
Remote control receiver
Back Panel:
Four Channel Input, AV swift and remote control OSD display, two channel MIC with left to
right, center and bass output and AUX1, AUX2 output.
Control Software
The software can be compatible under Windows98 or advanced system, connecting with
PC through RS232 connection can flexibly adjust the equipment and all of settings inside
the equipment can be downloaded into computer.
2.3 Other Features:
All of input/output is adopted perfect RF and static protection circuit to make sure the
equipment reliability, Also there are many recommended setting for your project installation
on the basis of more than 10 years designing concept in Karaoke field, please visit our
website to download.
2. PRODUCT INTRODUCTION

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!
User Manual
As a part of system quality control, every unit is packed carefully before shipping. Please
check carefully if there is any physical damage after unpacking. Please store all of package
materials in order to be convenient for future shipment. Once if there is any physical damage,
please notify the dealer to supply the official proof including the damage situation.
Please make sure the equipment voltage conform to local voltage before connecting.
The fuse is built inside the equipment. If the fuse is broken, please use the same
type of fuse to replace. ( Before replacing fuse, please make sure the power cable
is disconnected to protect personal security).
3. UPACKING
4. AC POWER REQUIREMENT

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KMIX-3
POWER
DIGITAL KARAOKE PRE-AMPLIFIER
EFF A EFF B EFF C INPUT
LEFT RIGHT CENTER SUB AUX1 L AUX1 R AUX2 L AUX2 R
MIC 1 MIC1/5 VOL MIC 2 MIC2/6 VOL MIC 3 MIC3 VOL MIC 4 MIC4 VOL
MIC VOL MUSIC VOL EFFECT VOL
MIC 5 MIC 6
AUDIO OUTPUT
L
R
AUX1 AUX2
VIDEO INPUT/OUTPUT
IN
OUT
DVD VCD BGM
VOD
L
R
DVD VCD BGM
VOD
AUDIO INPUT SUB OUTCENTER OUT RIGHT OUT LEFT OUT
REMOTE
1. TXD OUT 2. RXD IN
3. REMOTE IN 4. [email protected] OUT
5. SHELL GND
220V-240V,50Hz/60Hz
User Manual
Attention: When the equipment is connected with computer, all of knobs and button on the
panel are locked.
Press 1 is power on, the opposite is power off.
When you are using remote controller, please don't
block the window.
Adjust LCD contrast, the least position in anticlockwise
means the lowest contrast, the maximal position in
clockwise means the highest contrast.
Display user's operating information and equipment
mode.
Total 8 Keys, include effect switch, tonal modification
and music source input selection. In subprogram,
the 8 keys are accordingly referred to 8 channels of
output volume or effect, vocal and proportion of music
distribution.
Total 4, available for balanced and unbalanced input.
Total 4 groups, MIC input gain adjustment;
To carry out relevant function with touch key.
4-channel stereo music input, connect with VOD,
DVD, VCD or background signal.
4-channel video input, connect with VOD, DVD,
VCD or background signal, 4-channel daisy
connection output.
AUX1, AUX2 stereo output;
Available to connect with PC for system setting, also
can connect with VOD control for remote control.
Total 2 MIC input, Share the same input gain with
MIC1, MIC2 of front panel.
Center, Left channel, right channel and subwoofer.
Three pins (Can be grounded).
5. FRONT PANEL CONTROL
6. BACK PANEL CONTROL
1 Power switch:
2 Infrared remote control window:
3 Potentiometer:
4 LCD window:
5 Function Key:
6 MIC input socket:
7 Potentiometer:
8 Knob:
1 Socket:
2 Socket:
3 Socket:
4 S terminal control:
5 Socket:
6 4-Channel balanced output:
7 Power socket:

KMIX-3
POWER
DIGITAL KARAOKE PRE-AMPLIFIER
EFF A EFF B EFF C INPUT
LEFT RIGHT CENTER SUB AUX1 L AUX1 R AUX2 L AUX2 R
MIC 1 MIC1/5 VOL MIC 2 MIC2/6 VOL MIC 3 MIC3 VOL MIC 4 MIC4 VOL
MIC VOL MUSIC VOL EFFECT VOL
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EFFECT_A M_VOD
EFF-36 MIC-12 MUS-24
User Manual
EFFECT_A: One of effects of small, medium and big room
Means the mode of tonal modification, it's one of modes of b4, b3, b2,
b1, , 1, 2, 3, 4. The head letter is "b" indicates falling tone,
the head letter is " " indicates increasing tone. The bigger Number is,
more obvious the tonal modification effect is. " " means original tone.
If there is no music signal for five seconds, the tone will be turned into
original one.
M-VOD: Indicates input channel, it's one of eight modes of A_VOD, A_DVD,
A-VCD, A-BGM and M_VOD, M_DVD, M-VCD and M_BGM. Prefix A
means automatic selection, Prefix M means manual selection. Under
automatic selection mode, the order is VOD>DVD>VCD>BGM;
Under signal selection mode, if there is no signal input for five seconds,
the system will be switched to BGM channel.
EFF-36: Effect master volume is -36dB, Adjust "Effect VOL" knob for present
effect master volume, the Max output is 0dB;
MIC-12: MIC master volume is -12dB, Adjust "MIC VOL" knob for present MIC
master volume, the Max output is 0dB,
MUS-24: Music master volume is -12dB, Adjust "USIC VOL" knob for present
music master volume, the Max output is 0dB.
(Remark: Effect VOL, MIC VOL, MUSIC VOL knobs are named as Master Volume knobs)
1 Effect type selection
In main screen, pressing "EFF_A" or "EFF_B" or "EFF_C" can change the present
effect, and display "EFF_A" or "EFF_B" or "EFF_C" accordingly.
2 Tonal modification selection:
In main screen, pressing "b" or " " or " " can change the present mode of tonal
modification and display in relevant position.
3 Music input channel selection:
In main screen pressing " "or " " can set up the music input channel and select
AUTO, M_VOD, M_DVD, M_VCD, M_BGM and display in relevant position.
::
7. DISPLAY AND OPERATION
7.1 Main Screen
Image 1
the meaning of the display area is as follows:

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User Manual
Remark: Any of 8 Channels volume can enter into menu adjustment through any of
master volume knob.
1: Relevant parameter setting:
EFFECT_A M_VOD
Echo Delay Time:36
In main screen, press "EFFCT VOL" knob then loose, it is
shown as left picture.
(The arrow point to parameter)
Echo Delay Time:36
Adjust "FFECT VOL" knob, choose the parameters which need
to be adjusted, press "EFFECT VOL" knob to parameter
adjustment, shown as left. (The arrow point to parameter)
EFFECT_A M_VOD
Turn "FFECT VOL" knob, the parameter value will be displayed
in corresponding place, when the value is adjusted to be right,
press "FFECT VOL" knob to exit present parameter adjustment,
and return to previous menu. (Photo 2)
L OUT VOL: Output volume of left channel
R OUT VOL: Output volume of right channel
C OUT VOL: Output volume of center channel
SUB OUT VOL: Output volume of bass channel
AUX1-L: Output volume of left AUX1 channel
AUX1-R: Output volume of right AUX2 channel
AUX2-L: Output volume of left AUX2 channel
AUX2-R: Output volume of right AUX2 channel
If it is necessary to adjust effect proportion distributed to
every channel, under "Photo 2" or "Photo 3" mode, press
corresponding output channel key on panel ( See below
silkscreen description), like left screen ( take left channel
as example, push "EFT"), "Press broken line" to turn "EFFECT
VOL" knob, the volume of left will change accordingly.
EFFECT_A M_VOD
Effect to L:99%
Also pressing any of three master volume buttons can enter the screen of parameter
selection, turn knobs to choose corresponding channel output volume parameter;
then press master volume button to enter window screen of this parameter, turn knob
to adjust to be proper value, total 8 channel volume parameters can be adjusted.
At that moment, press "LEFT" key again, it can be switched to " OUT VOL" window
screen, shown as Photo 5.
EFFECT_A M_VOD
L OUT VOL:-03dB
Turn "EFFECT VOL" knob, MIC effect to left channel will change
accordingly. That's to say, the channel output volume and effect
proportion can be adjusted independently, after adjustment is
done, please press "FFECT" knob to return previous parameter
adjustment, the arrow points to parameter values.
7.2 Other Parameter Setting
7. DISPLAY AND OPERATION
Image 2
Image 3
Image 4
Image 5

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EFFECT_A M_VOD
MIC1/3/5 BASS:+09dB
EFFECT_A M_VOD
MIC1/3/5 BASS:+09dB
User Manual
EFFECT parameters are shown as below:
There are 21 parameters can be adjusted through turning "EFFECT VOL" knob:
Echo Delay Time: range 0, 99 , default: 33
Echo Repeat: range 0, 99 , default: 36
Rev Time: range 0, 99 , default: 56
Rev/Echo: Effect proportion of Reverb, range 0, 99 , the bigger number is,
the more is Rev Proportion, default: 0% (EFFECT A), default: 50%
(EFFECT B), 99% (EFFECT C)
Noise Gate: Choose ON or OFF, default: OFF (optional function)
Feedback Control: Range 0, 5 , 0 indicates feedback control function, the bigger
number is, the stronger feedback control is.
The parameters can be adjusted by keys of each channel:
Effect to L: Effect output to left channel, range 0%, 99% , default: 99%
Effect to R: Effect output to right channel, range 0%, 99% , default: 99%
Effect to C: Effect output to center channel, range 0,99% , default: 99%
Effect to AUX1 L: Effect output to AUL1 left channel, range 0,99% , default: 99%
Effect to AUX1 R: Effect output to AUL1 right channel, range 0,99% , default: 99%
Effect to AUX2 L: Effect output to AUX2 left channel, range 0,99% , default: 99%
Effect to AUX2 R : Effect output to AUL2 right channel, range 0,99% , default: 99%
L OUT VOL: Left channel volume, range: -80dB0dB, 1dB/level, default: 0dB
L OUT VOL: Right channel volume, range: -80dB0dB, 1dB/level, default: 0dB
C OUT VOL: Center channel volume, range: -80dB0dB, 1dB/level, default: 0dB
SUB OUT VOL: Sub channel volume, range: -80dB0dB, 1dB/level, default: 0dB
AUX1L OUT VOL: AUX1 left channel volume, range: -80dB0dB, 1dB/level, default: 0dB
AUX1R OUT VOL: AUX1 right channel volume, range: -80dB0dB, 1dB/level, default: 0dB
AUX2 L OUT VOL: AUX2 left channel volume, range: -80dB0dB, 1dB/level, default: 0dB
AUX2 R OUT VOL: AUX2 right channel volume, range: -80dB0dB, 1dB/level, default: 0dB
2: MIC parameter setting
In main screen, press "MIC VOL" knob, then loose it, shown
as left screen ( the arrow points to parameters)
Turn " MIC VOL" knob, choose the parameter need to be adjusted,
press "MIC VOL" know to enter parameter adjustment, shown
as left screen ( the arrow points to parameters)
Turn " MIC VOL" knob, the parameters will display in relevant position, after the
parameter adjustment is done, press "MIC" knob to back to present parameters
adjustment, and return previous menu ( Photo 6).
7. DISPLAY AND OPERATION
Image 7
Image 6

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EFFECT_A M_VOD
L OUT VOL:03dB
EFFECT_A M_VOD
Direct to L:99%
User Manual
If it's necessary to adjust proportion of MIC direct volume to
each channel, under Photo 6 or Photo 7 mode, press the output
channel key on panel, and shown as left screen ( take left
channel as example, press "LEFT" key), turn "MIC VOL" knob,
The proportion of MIC direct volume will change accordingly.
Then press "LEFT" key again, it can be switched to L OUT VOL
( Left channel output volume) screen, shown as left photo:
The L OUT VOL will change accordingly. That's to say, the volume of each channel
can be adjusted independently. After the volume adjustment is done, and press "MIC
VOL" to turn back to previous parameter adjustment, the arrow points parameters.
MIC Parameters are shown as below:
There are 22 parameters can be adjusted by turning "MIC VOL" Knob.
MIC1/3/5 BASS: MIC bass (160Hz) adjustment of first group MIC, range
-12, +12 , 1dB/level, default: 0dB
MIC1/3/5 MID: MIC midrange (1KHz) adjustment of first group MIC, range
-12, +12 , 1dB/level, default: 0dB
MIC1/3/5 TREBLE: MIC treble (6.3 KHz) adjustment of first group MIC, range
-12, +12 , 1dB/level, default: 0dB
MIC2/4/6 BASS: MIC bass (160Hz) adjustment of second group MIC, range
-12, +12 , 1dB/level, default: 0dB
MIC2/4/6 MID: MIC midrange (1KHz) adjustment of second group MIC, range
-12, +12 , 1dB/level, default: 0dB
MIC2/4/6 TREBLE: MIC treble (6.3 KHz) adjustment of second group MIC, range
-12, +12 , 1dB/level, default: 0dB
The parameters can be selected by each channel key:
DirecttoL:
MIC direct volume to left channel, range 0%, 99% , default: 99%
DirecttoL:
MIC direct volume to right channel, range 0%, 99% , default: 99%
DirecttoL:
MIC direct volume to center channel, range 0%, 99% , default: 99%
DirecttoAUX1L:
MIC direct volume to AUL1 left channel, range 0, 99% , default: 99%
DirecttoAUX1R:
MIC direct volume to AUL1 right channel, range 0, 99% , default: 99%
DirecttoAUX2L:
MIC direct volume to AUX2 left channel, range 0, 99% , default: 99%
DirecttoAUX2R:
MIC direct volume to AUL2 right channel, range 0,99% , default: 99%
LOUTVOL: Left channel volume, range: -80dB0dB, 1dB/level, default: 0dB
LOUTVOL: Right channel volume, range: -80dB0dB, 1dB/level, default: 0dB
COUTVOL: Center channel volume, range: -80dB0dB, 1dB/level, default: 0dB
SUBOUTVOL: Sub channel volume, range: -80dB0dB, 1dB/level, default: 0dB
AUX1LOUTVOL: AUX1 left channel volume, range: -80dB0dB, 1dB/level, default: 0dB
AUX1ROUTVOL: AUX1 right channel volume, range: -80dB0dB, 1dB/level, default: 0dB
AUX2 LOUT VOL: AUX2 left channel volume, range: -80dB0dB, 1dB/level, default: 0dB
AUX2 ROUT
VOL: AUX2 right channel volume, range: -80dB0dB, 1dB/level, default: 0dB
7. DISPLAY AND OPERATION
Image 9
Image 8