Meicheng MX-1004-4K User manual

Quad-View Video Processor
MX-1004-4K
User manual
Version:03.18.01 http://www.meicheng.com.tw
R

- 1 -
Contents
Chapter One Installation otes............................................................................. - 2 -
Chapter Two Product Introduction ....................................................................... - 4 -
1. Product description....................................................................................... - 4 -
2. The main function ......................................................................................... - 4 -
3. System topology ........................................................................................... - 5 -
4. Machines pictures and size........................................................................... - 6 -
5. 4K Quad-view processor specifications....................................................... - 6 -
Chapter Three Machine installation ...................................................................... - 7 -
Chapter Four Device Port Description .................................................................... - 7 -
Chapter Five Remote control operation ................................................................. - 9 -
1. The window position of signal definition .................................................... - 9 -
2. Resolution setting....................................................................................... - 10 -
3. Quad-view display mode setting ............................................................... - 10 -
4. Access the setup menu:.............................................................................. - 10 -
5. The window displays signal settings ......................................................... - 11 -
6. The screen mode switching........................................................................ - 11 -
7. Brightness and contrast adjustment ......................................................... - 12 -
8. Other keys functions................................................................................... - 12 -
Chapter Six Front panel button operation.......................................................... - 13 -
Chapter Seven Software Operation .................................................................... - 14 -
Chapter Eight Control Code ................................................................................. - 17 -

- 2 -
Chapter One Installation otes
For your safety and equipment security, please e sure reading the safety
instructions carefully efore using the machine.
If you have dou ts in the use, please read this manual first. Descri ed in
detail in the device operation. If you still have questions, please contact us,
we will provide you a satisfactory answer soon.
Specifications su ject to release to change without notice, please
understand.
Please following the notes as elow when installing:
1. Power supply:
Please use with protection to single-phase three-wire AC 100-240V power
supply, and ensure that the entire engineering system using the same
protected. You can not use unprotected power, the power cord ground pin
can not e destroyed.
2. Power:
When you need to move equipment or other work must outage, to shut
off all power, including the power switch, unplug the power plug, so as to
ensure the safety of your equipment.
3. Cable:
Do not put pressure on the power supply lines, signal lines,
communication lines, ca le should keep from trample or extrusion, to
prevent the risk of leakage or short circuit.
4. Signal cable:
Inserting or pulling the signal line to the device, the device needs
outage, so as not to damage the device. Hot plug caused damage not
covered under warranty.
5. Vents:
The outer surface of the device may have openings for heat dissipation,
do not lock these openings, in order to avoid heat uild-up, the risk of
damage to the equipment or cause fire.
6. Equipment placement:
Should a reasona le settlement for devices such as standard rack
mount, chassis, ca inets, or placed on a sta le flat work surface to prevent
the unit from dropping.
7. Surroundings:
Equipment working environment should pay attention to dust, moisture,
in particular, to prevent the liquid from soaking and splashing into the
interior of the device.

- 3 -
8. Service:
All repairs should e done y qualified service personnel, untrained
Never attempt to repair equipment. To prevent the risk of electric shock,
do not open the ca inet.
9. Safety Precautions:
A. The internal high-voltage equipment, non-professional maintenance
personnel shall not open the case, to avoid danger.
B. Non-dripping or splashing, prohi ited place any container with liquid
items on the device.
C. For the prevention of fire, keep device away from the fire.
D. For adequate ventilation, equipment should e maintained at
least20CM void of the front and rear panels.
E. Devices should e immediately unplug the power cord and handled y
professional maintenance personnel such as eerie noise, smell or
smoke.
F. In the case of lightning or unused for long periods, unplug the power
cord.
G. Not stuffed any o ject to ventilation holes of the device to avoid
damage to the equipment or electric shock.
H. Not to place the device near water or other damp places.
I. The device should not e placed near heat sink or other high
temperature places.
J. Properly organize the power cord to prevent reakage.
K. The following conditions should unplug the device power cord,
handled y qualified service personnel:
1) the power cord is damaged or frayed.
2) When the liquid has een spilled into the device.
3) The device is dropped or the ca inet damaged.
4) This device malfunction or significant performance changes.
This device is not suita le for non-professionals to operate the
de ugger, users are su ject to professional training and guidance.
Please read carefully efore using and this manual should e properly
preserved for later use.

- 4 -
Chapter Two Product Introduction
1. Product description
MX-1004-4K is a high-performance 4K quad-view video processor, its
main function is to make the four HD or analog signals displayed
simultaneously on a super-high-definition display unit under quad mode,
and contain PIP, POP function.
MX-1004-4K 4K quad-view video processor supports 1 channel VGA,
2-way DP, 4-way HDMI signal input. Maximum input signal DP supports
3840x2160 @ 60Hz, the highest HDMI input signal can support 3840x2160
@ 30Hz, maximum output resolution up to 3840x2160 @ 60Hz.
It support 1 channel HDMI 2.0 output, the output resolution and
refresh rate up to 3840x2160 @ 60Hz the output refresh rate of
high-definition ,4K quad-view video processor is the highest on the
market. Meanwhile, if the four 1920x1080 signal input, 4K display unit may
quad display mode, point-to-point display 4-way high-definition signals,
four full HD 1080P video signal can e completely uncompressed displayed
on a 4K display unit and 4 source image effects with one 1080P signal
source connected with a single 1080P display unit without any distinction.
Meanwhile, MX-1004-4K 4K quad-view video processor can also
supports USB synchronous switch HD video multiplexers, switch to a
computer signal display full screen y utton or remote control , the
corresponding host computer’s USB also synchronous switch, which realize
the need of achieving synchronous switch mouse, key oard of video
conferencing.
MX-1004-4K 4K quad-view video processor is currently use a relatively
large num er of standard products on the market, products are mainly
used in where need to use a single display unit simultaneously display
multiple HD signals workplace like video conferencing, teaching,
exhi itions.
2. The main function
•Supports one VGA, 2-way DP, 4-way HDMI (including 3-way
compati le MHL) input signal, the input resolution up to 3840 x 2160
@ 60Hz, ackward compati le.
•Support 1 channel HDMI2.0 output, the output resolution up to 3840 x
2160 @ 60Hz.
•Support point-to-point display 4-way 1920 x 1080 full HD signal.
•Input and output signal widely support audio, and 3.5mm headphone
jack support the left and right channel stereo output.

- 5 -
•2 USB signal output, USB connection support mouse and key oard,
and USB with image synchronous switch.
•Single screen simultaneously displays four HD digital / analog signals,
or switching to a signal full-screen display.
•Support image fixed position POP, PIP function.
•Widely support 100V ~ 240V AC input, can e commonly use to any
country worldwide.
•Standard 19-inch 1U chassis drawing, directly on the ca inet.
•Support control y front panel utton, IR remote control, RS-232 serial
control and the control.
3. System topology

- 6 -
4. Machines pictures and size
5. 4K Quad-view processor specifications:
Model MX-1004-4K
Input Signal
Input port
1VGA port [D-Su 15 pin , female], 2DP ports [20 pin,
female], 4HDMI ports (including 3-way compati le MHL)
[19 pin, Type A, female], 4USB ports [4 pin, Type A, female]
and 1 stereo audio jack (operate with VGA port) [3.5mm,
female]
Resolution
DP Port: Support up to 3840 x 2160@60Hz (4K x 2K@60 Hz)
resolution and ackward compati ility.
HDMI Port: Support up to 3840 x 2160@30Hz resolution
and ackward compati ility
Color depth 24 it,1677 ten thousand color
PIP、
、、
、POP mode Fixed model
Output Signal
Output port
1 HDMI 2.0 port [19 pin, Type A female] which connect
display device and support video and audio sync output; 1
3.5 mm audio right and left stereo jack [3.5mm,
female], 2 USB 2.0 ports [4 pin, Type A, female]
respectively connect with mouse and key oard
Resolution
3840 x 2160@60 Hz(4K x 2K@60 Hz), 3840 x 2160@30
Hz(4K x 2K@30 Hz), 2560 x 1440@60 Hz(2K@60 Hz), 1920 x
1080@60 Hz(1080P@60 Hz), 1280 x 720@60 Hz(720P@60
Hz) selecta le
Color depth 24 it,1677 ten thousand color
Control mode RS232 [RJ-45,female],IR, Front panel utton.
Voltage AC 100 ~240V[3 pin, power male]
Dimension 441mm(L)*44mm(H)*239mm(W) [Front panel: 482mm(W) ]
Power consumption
Max. 15 W

- 7 -
Chapter Three Machine installation
1.Unpacking
Check main frame and accessories. Product contents: Main frame, CD,
power ca le, RJ-45 to RS-232 converter, remote control, warranty card,
manual.
2.Install the machine
Display unit setting: MX-1004-4K 4K quad-view video processor Support
1 channel HDMI 2.0 output, the display unit input source has set as HDMI
signal; if there are several HDMI input signals simultaneously, the signal
source is set to HDMI input port.
Connected MX-1004-4K output port with display unit: After proper
placed 4K quad-view video processor, the signal will output via HDMI ca le
and docking with HDMI port of the corresponding display unit.
If user needs to connect with external audio equipment, please connect
audio equipment with MX-1004-4k through 3.5mm audio jack. 
Input Signal Connection: Connect the computer or other signal source
output devices with splitter input port via HDMI ca le, VGA ca le or DP line.
If VGA require audio feature, use the 3.5mm headphone jack in the ends of
oth side with 3.5MM headphone jack ca le to connect the computer and the
input Audio ports of device.
3.Power on
After finishing connecting the ca les as the descriptions as a ove, insert
the 100~240V AC power supply, and turn on the power switch then the
power indicator lights will shows in red for power-on state and stand y mode.
Chapter Four Device Port Description
In the process of using the device, first you need to know each input and
output video ports in order to operate the equipment more skilled. Device
input and output port consists three parts: input section, output section, USB
section.
1. Input section
Input portion of the chassis rear panel INPUT ox , y A0: VGA, D0: DP,
D1:HDMI, D2: MHL, D3: MHL, D4: MHL, D5: DP, RS232 / IR, Audio composed
of nine input port, under function for each port:

- 8 -
A0: VGA- VGA signal input.
D0: DP - DP signal input, maximum input resolution / refresh rate to
3840x2160 @ 60HZ, ackward compati le.
D1: HDMI - HDMI input signal, the input resolution up to 3840x2160 @ 30HZ,
ackward compati le.
D2: MHL - HDMI input signal, the input resolution up to 3840x2160 @ 30HZ,
ackward compati le; compati le MHL mo ile phone signal through the
Micro USB to HDMI input.
D3: MHL - HDMI input signal, the input resolution up to 3840x2160 @ 30HZ,
ackward compati le; compati le MHL mo ile phone signal through the
Micro USB to HDMI input.
D4: MHL - HDMI input signal, the input resolution up to 3840x2160 @ 30HZ,
ackward compati le; compati le MHL mo ile phone signal through the
Micro USB to HDMI input.
D5: DP - DP signal input, maximum input resolution / refresh rate to
3840x2160 @ 60HZ, ackward compati le.
RS232 / IR - Using RJ45 to RS232 line to control through computer control
software or in the centralized control; IR signals can also e transferred via
ca le, if user put the remote control receiver away from the device may also
e implemented y infrared remote control.
Audio - Bind VGA video signal input, can e synchronized switching with the
VGA signal.
2. Output section
The input section of the chassis's rear panel OUTPUT frame, HDMI
interface directly connected to the display unit; Audio can e directly
connected to an external sound to achieve high power audio play ack
affections.
3. USB section
USB input section contain the USB1, USB2, USB3, USB4 input port in INPUT
ox, which are connected with the respective host computer.
USB output section consists of two USB ports of output, it can connect with
USB mouse and key oard at the same time, to achieve the function which a
single set of mouse and key oard to control 4 mainframes simultaneously.

- 9 -
Connection Description:
a. Connected 4 signal sources into input port of device through ca le.
. By setting to makes each window (as shown elow Signal 1, Signal 2,
Signal 3, Signal 4 four window) to display different signal source
(setting mode refer to the next chapter of the remote control ), do not
change display window position of the signal source.
c. Through the USB ca le to makes 4 computer's USB port connect
respectively with USB1, USB2, USB3, USB4 of the device, for example :
A image of computer is displayed in the window position of the signal
1,then the computer's USB ca le must e connected to the USB1 port of
the device, similar to other computer connection.
Chapter Five Remote control operation
Properly connect the output signal and display terminal, then you need to
properly connect the input signal source and the device. Via remote control,
chassis utton and control software to set different display modes, such as
quad display, select a signal full-screen display, the PIP and other functions.
This chapter descri es how to operate the equipment via infrared remote
control, if you are use our devices for the first time, configure or settings as
follows
1. The window position of signal definition:
Before using MX-1004-4K quad-view video processor, we must understand
the definition of signal 1~4:
•Signal 1 is also called window 1 which at the top left corner of the screen.
•Signal 2 also known as window 2 which at the lower left corner of the screen.
•Signal 3 also known as window 3 which at the upper right corner of the screen.
•Signal 4 also known as window 4 which at the lower right corner of the screen.
Picture as elow:
Signal 1
(Window 1)
Signal
2
(Window 2)
Signal
3
(Window 3)
Signal
4
(Window 4)

- 10 -
2. Resolution setting:
If the output resolution of the device is higher than the physical resolution
of the display unit, the display may not display images, if the output
resolution of the device is lower than the physical resolution of the display
unit, the image display ut not the est, so we must select identical or similar
resolution output.
SWITCH utton on the remote control switching in turn the output
resolution of the device, so that the output resolution of device with physical
resolution of the display unit fit that achieve optimal effect, when switching
the resolution we must note the following:
☆ Each time you press the SWITCH utton on the remote control, need
a out 2 seconds efore you can switch to the next resolution.
☆ If the output resolution of device is higher than the physical
resolution of the display unit, the display unit will not display images,
or display does not support, and press the MENU utton of remote
control does not pop up any menu.
☆ After switching resolution, if the display unit can support the
resolution, will pop up input resolution at side of the screen, you can
select the est resolution to support the display unit y switching.
☆ Press the MENU key to pop up menu, and user can setting the proper
resolution in it.
3. Quad-view display mode setting:
First press uttons 0 on the remote control or front panel to displaying
image as Quad mode. If displayer doesn’t shows image after press the 0 key,
user need to operate as following steps.
4. Access the setup menu:
Press the MENU key on the remote control to pop-up menu like Figure 1,
when signal source menu shows in red character and press the “OK” key or
the “→” key appears input signal selection menu as Figure 2, you can choose
the signal, picture as elow:

- 11 -
Figure 1: Main menu Figure 2: Signal menu  Figure 3: Signal path definitions.
5. The window displays signal settings
Signal 1~ 4 displays as fixed position, ut the four signal ports can e
ar itrarily selected, description as elow:
a. The upper left corner shows AO: VGA port input signal therefore signal 1
have to select AO: VGA
. The lower left corner shows DO: DP port input signal therefore signal 2
have to select D0: DP
c. The top right corner shows D1: HDMI port signal therefore signal 3 have
to select D1: HDMI
d. The ottom right corner shows D3: MHL port signal therefore signal 4
have to select D3: MHL
6. The screen mode switching:
By clicking the shortcut keys on the remote control, you can achieve fast
switching signal or mode, the following is the definitions of each key:
Key 1: signal1 display as full screen, audio, video and USB sync switch;
Key 2: signal2 display as full screen, audio, video and USB sync switch;
Key 3: signal3 display as full screen, audio, video and USB sync switch;
Key 4: signal4 display as full screen, audio, video and USB sync switch;
Key 0: quad-view display;
UA1 key: Audio and USB switch to signal 1 channel;
UA2 key: Audio and USB switch to signal 2 channel;
UA3 key: Audio and USB switch to signal 3 channel;
UA4 key: Audio and USB switch to signal 4 channel;

- 12 -
7. Brightness and contrast adjustment
a. While adjusting all signals window:
Press the MENU key to pop-up menu and to set “Full state” at the region
in the menu, then respectively adjust rightness or contrast. All windows
can change the rightness or contrast simultaneously.
b. Adjust one single channel:
Press the MENU key to pop-up menu and to set “1 state” at the region,
then adjust the rightness or contrast for signal 1 window. The rest of
windows are operating similar to that.
8. Other keys functions
Key Descriptions
SOURCE Quad-view, dual-view, POP and PIP various modes
switch y turns.
Power on / off;
Mute on / off;
Volume -, press sound reduction.
Volume + press to increase the sound.
SWITCH Switch different resolutions, after each press, please
interval 2-3 seconds.
Return key.
VGA signal correct, for the VGA input signal offset or not
full screen situation, one-click cali ration.

- 13 -
Chapter Six Front panel button operation
Through the front panel utton, user can easily call in quick mode, call
mode are correspond with the remote controller. The following descri es the
purpose of each utton:
Menu Key: Menu
↑, ↓, ←, → Keys: Upward, downward, leftward and rightward cursor
movement key
1 Key: The first window display as full-screen.
2 Key: The 2nd window display as full-screen.
3 Key: The 3rd window display as full-screen.
4 Key: The 4td window display as full-screen.
Mouse/keyboard switch to signal 1
Mouse/keyboard switch to signal 2
Mouse/keyboard switch to signal 3
Mouse/keyboard switch to signal 4
Menu key /save key /backward key
Leftward
cursor
movement key
Upward
cursor
movement key
Rightward
cursor
movement key
Downward
cursor
movement key
VGA signal
automatically
corrected key
0
-
9 key: Hot key mode adjust key

- 14 -
0 Key: Quad-view display.
Mode Key: Switching each split screen mode y turns.
Resolu Key: Resolution switching.
UA1 Key: Audio and USB mouse, key oard, switch to the first window.
UA2 Key: Audio and USB mouse, key oard, switch to the 2nd window.
UA3 Key: Audio and USB mouse, key oard, switch to the 3rd window.
UA4 Key: Audio and USB mouse, key oard, switch to the 4td window.
Chapter Seven Software Operation
User can operate and setting through remote controller or front panel
utton to reach the most user’s asic needed. When user need to process
some special split screen functions, so that need to operate via control
software. There are some operate steps as following,
1. RS-232 serial cable connection
First, using network ca le to convert RJ-45 port to RS-232 port, and
connected the control computer with serial port of MX-1004-4K quad-view
video processor via RS-232 control line. (If the control computer doesn’t
equip RS-232 serial ports, and user needs to prepare a USB to RS-232 port
convert ca le, meanwhile install the corresponded drive software.)
2. Check the computer settings
To check the COM port of computer if is functional, checking steps as
following: Right-click y mouse on the desktop "My Computer" - "Properties"
- "Device Manager", as shown elow COM and LPT port num ers:

- 15 -
3. Run the software
Copy the control software folder in the CD-ROM into the control computer,
and click to open “VideoConverter.exe” file, such as on the following picture:
4. The communication settings [Serial Port]：
：：
：
Click on the right end of the list of serial port drop-down menu → select
serial num er → click [Open] to control the device.
5. Resolution settings [Resolution]：
：：
：
Click on the right side of the resolution, Resolution drop-down menu,
select the appropriate resolution and refresh rate depending on the physical
resolution of the monitor. Such as the display unit physical resolution is 3840
* 2160, support for 4K maximum refresh rate is 60HZ, so you should choose
3840 * 2160 @ 60HZ in this item.
6. Switching mode [Display Mode]：
：：
：
By clicking the icon under the display mode to operate speedy mode
control, as shown elow, respectively: 1,2,3,4 window full screen, quad
mode, the left and right split mode, down and up two split mode, PIP display
mode.

- 16 -
7. The audio portion [Audio]：
：：
：
Each menu definition of audio portion, as shown elow,
[Power SW]：Device on / off
[volume-]：Volume dicrease
[volume+]：Volume increase.
[Mute]：Mute on / off.
[USB/Audio1]：USB peripherals and audio switch to the first window.
[USB/Audio2]：USB peripherals and audio switch to the second window.
[USB/Audio3]：USB peripherals and audio switch to the third window.
[USB/Audio4]：USB peripherals and audio switch to the fourth window.
8. Menu settings [Menu]：
：：
：
It can e switched signals of each window through the menu settings to
adjust the rightness, resolution adjustment, language setting. The each
definition of keys in the setup menu as elow,
↑：Upward cursor movement key.

- 17 -
↓：Downward cursor movement key.
←：Leftward cursor movement key.
→：Rightward cursor movement key.
Menu：The menu key
AUTO：VGA signal automatically corrected key.
Exit：Exit menu.
Chapter Eight Control Code
The device also support centralized control, user can type the control code
into system to process centralized control. Control code list as elow,
Baud Rate 2400
Data Bit 8
Parity Check None
Stop Bit 1
Flow Control None
#define _RS232_MENU_MSG （
（（
（ Menu ）
））
）
0x22 0x10 0x10 0x20 0x33
#define _RS232_LEFT_MSG （
（（
（ Leftward key ）
））
）
0x22 0x10 0x11 0x21 0x33
#define _RS232_RIGHT_MSG （
（（
（ Rightward key ）
））
）
0x22 0x10 0x12 0x22 0x33
#define _RS232_EXIT_MSG （
（（
（ Return/exit ）
））
）
0x22 0x10 0x13 0x23 0x33
#define _RS232_POWER_MSG （
（（
（ On/off ）
））
）
0x22 0x10 0x14 0x24 0x33
#define _RS232_UP_MSG （
（（
（ Upward key ）
））
）
0x22 0x10 0x15 0x25 0x33
#define _RS232_DOWN_MSG （
（（
（ Downward key ）
））
）
0x22 0x10 0x16 0x26 0x33
#define _RS232_4P （
（（
（ Quad-view mode ）
））
）
0x22 0x10 0x30 0x40 0x33
#define _RS232_1P_FULL （
（（
（ Window1 full-screen ）
））
）
0x22 0x10 0x31 0x41 0x33
#define _RS232_2P_FULL （
（（
（ Window2 full-screen ）
））
）
0x22 0x10 0x32 0x42 0x33
#define _RS232_3P_FULL （
（（
（ Window3 full-screen ）
））
）
0x22 0x10 0x33 0x43 0x33
#define _RS232_4P_FULL （
（（
（ Window4 full-screen ）
））
）
0x22 0x10 0x34 0x44 0x33

- 18 -
#define _RS232_POP_LR （
（（
（ Left and right ）
））
）
0x22 0x10 0x35 0x45 0x33
#define _RS232_POP_TB （
（（
（ Up and down ）
））
）
0x22 0x10 0x36 0x46 0x33
#define _RS232_PIP_LT （
（（
（ Upper left ）
））
）
0x22 0x10 0x37 0x47 0x33
#define _RS232_PIP_LB （
（（
（ Lower left ）
））
）
0x22 0x10 0x38 0x48 0x33
#define _RS232_PIP_RT （
（（
（ Upper right ）
））
）
0x22 0x10 0x39 0X49 0x33
#define _RS232_PIP_RB （
（（
（ Lower right ）
））
）
0x22 0x10 0x3A 0x4A 0x33
#define _RS232_PIP_MID （
（（
（ Center ）
））
）
0x22 0x10 0x3B 0x4B 0x33
#define _RS232_L_MODE （
（（
（ UA1 ）
））
）
0x22 0x10 0x3C 0x4C 0x33
#define _RS232_N_MODE （
（（
（ UA2 ）
））
）
0x22 0x10 0x3D 0x4D 0x33
#define _RS232_M_MODE （
（（
（ UA3 ）
））
）
0x22 0x10 0x3E 0x4e 0x33
#define _RS232_K_MODE （
（（
（ UA4 ）
））
）
0x22 0x10 0x3F 0x4F 0x33
#define _RS232_OUTPUT_1280x720@60Hz
0x22 0x10 0x40 0x50 0x33
#define _RS232_OUTPUT_1920x1080@60Hz
0x22 0x10 0x41 0x51 0x33
#define _RS232_OUTPUT_2560x1440@60Hz
0x22 0x10 0x42 0x52 0x33
#define _RS232_OUTPUT_3840x2160@30Hz
0x22 0x10 0x43 0x53 0x33
#define _RS232_OUTPUT_3840x2160@60Hz
0x22 0x10 0x44 0x54 0x33
#define _RS232_MUTE （
（（
（ Mute on/off ）
））
）
0x22 0x10 0x45 0x55 0x33
#define _RS232_VOL_DEC （
（（
（ Volume －）
－）－）
－）
0x22 0x10 0X46 0x56 0x33
#define _RS232_VOL_INC （
（（
（ Volume ＋）
＋）＋）
＋）
0x22 0x10 0x47 0x57 0x33
#define _RS232_Auto_MESSAGE （ VGA correction ）
0x22 0x10 0x56 0x66 0x33

- 19 -
Statement:
All product and rand names may e trademarks or registered trademarks of the corresponding manufacturer.TM
and R may e omitted in this manual.
The picture and the picture of the product mentioned in this manual may e slightly different, the effect of the
demonstration and schematic diagram for reference only (picture for the synthesis, schematics), the appearance of
the product (including ut not limited to color) please prevail in kind.
Meicheng Always strive to provide the est quality products to customers, so the product software and hardware will
keep upgrading. The information contained in this manual is su ject to change without notice.