LINK-MI LM-SH41 User manual

HD Quad Video Multiplexers
LM-SH41
Usre Manual

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HD Quad Video Multiplexers
Operating Instructions
Table of Contents
1, Installation Notes……………………………………………… 2
2,Product Introduction…………………………………………… 5
3, Machine installation…………………………………………… 9
4, Remote Control Description………………………………… 10
5, Key Instructions……………………………………………… 13
6, Software Control……………………………………………… 14
7, The control codes……………………………………………… 20

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1th . Installation Notes
For your safety and equipment security, please be sure
reading the safety instructions carefully before using the
machine.
If you have doubts in the use, please read this manual first.
Described in detail in the body of the device operation. If you
still have questions, please contact us, we will give you a
satisfactory answer as soon as possible.
Specifications subject to release to change without notice,
please understand.
When installing, please note the following:
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 be 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:
The items can not put pressure on the power supply lines,
signal lines, communication lines, cable 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.

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5, Vents:
The outer surface of the device may have openings for heat
dissipation, do not block these openings, in order to avoid heat
build-up, the risk of damage to the equipment or cause fire.
6, Equipment placement:
Should a reasonable settlement for devices such as standard
rack mount, chassis, cabinets, or placed on a stable 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.
8, service:
All repairs should be done by qualified service personnel ,
untrained Never attempt to repair equipment. To prevent the
risk of electric shock, do not open the cabinet.
9, Safety Precautions:
9.1, the internal high-voltage equipment, non-professional
maintenance personnel shall not open the case, to avoid danger;
9.2, non-dripping or splashing, prohibited place any container
with liquid items on the device;
9.3, for the prevention of fire,forbiding a device near the
fire;
9.4, for adequate ventilation, equipment should be maintained
at least20CM void of the front and rear panels;
9.5, devices should be immediately unplug the power cord and
handled by professional maintenance personnel such as eerie
noise, smell or smoke;
9.6,In the case of lightning or unused for long periods, unplug

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the power cord;
9.7, not stuffed any object to ventilation holes of the device
to avoid damage to the equipment or electric shock;
9.8, not to place the device near water or other damp places;
9.9, the device should not be placed near heat sink or other
high temperature places;
9.10, properly organize the power cord to prevent breakage;
9.11, the following conditions should unplug the device power
cord, handled by qualified service personnel:
1) the power cord is damaged or frayed;
2) When the liquid has been spilled into the device;
3) The device is dropped or the cabinet damaged;
4) This device malfunction or significant performance changes.
5) Regularly check the fan whether is working properly, if the
fan does not work you should turn off the device and disconnect
the power supply immediately,and by professionals to deal with;
This device is not suitable for non-professionals to operate
the debugger, users are subject to professional training and
guidance.
Please read carefully before using and this manual should be
properly preserved for later use.

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2th . Product Introduction
1 product description
is a high-performance HD quad video multiplexers, the main
function is to enter the 4-way BNC, VGA, HDMI signals into one
HD HDMI and VGA output, make four digital signals at the same
time displayed on a high-definition display unit, and to
achieve HDMI signal and a USB device (such as a mouse, keyboard)
synchronous switching. HD Quad video multiplexers support
projectors, LCD, DLP, plasma, full-color LED display unit etc
with high-definition interface.
HD video multiplexers is currently use a relatively large
number of standard products on the market, products are mainly
used in video conferencing, teaching, exhibition, stock where
need a single display unit simultaneously display multiple HD
signals
Meanwhile, Quad video multiplexers is the only one on the
market to increase USB Salvo, when a computer signal is switched
to full-screen by button or remote control, the corresponding
host computer USB Salvo, reach to functional requirements of
video conference the needs of Salvo mouse, keyboard.
2 The main function
support a single display unit simultaneously display four
high-definition or analog signals;
4 composite video, 4-channel VGA, 4-way HDMI,in total
12-channel signal input;
1 channel HDMI and 1 VGA output synchronously;
4-way USB signal inputs, 2 USB signal output, USB connection
support mouse and keyboard;

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can achieve USB mouse and keyboard with video image switch
synchronization, realize KVM function;
compatible with various input signal resolution, supports
1920 * 1080 ultra-high resolution output signal;
support PIP, POP, window, overlay, roam, images of any
size and location ;
support transparency adjustment of image, you can see the
bottom image through the above picture;
widely support 90V ~ 264V AC input, can be common to any
country worldwide;
standard 19-inch 1U wire drawing chassis, directly on
standard cabinet;
support chassis buttons, IR remote control, RS-232 serial
control and in control;
High-quality HD Quad video multiplexers tailored
Designed for video projects；

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3 System topology
4 Machines pictures and size

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5 HD video multiplexers Specifications
Name
Specification
HDMI/DVI input
Input port
4BNC、4VGA、4HDMI、4USB
Resolution
Support 1920*1080 ultrahigh highest
resolution and downward compatibility
all kinds of resolutions
Color depth
24bit,1677 ten thousand
Zoom and display
unlimited
Video input
Identify pattern
automatic
Image adjust
Move、transformate、brightness、contrast、
color temperature;
output
interface
1 HDMI 、 1VGA synchronic output;2USB
connect mouse 、 keyboard or other
equipment
Resolution
1920*1080/60HZ,can customize downward
this resolution
frequency
60HZ
Color depth
24bit,1677 ten thousand
Control mode
RS232、IR、case key
Control software
HD video multiplexers professional
control sofeware
voltage
AC 90~260V
dimension
442mm(L)*45mm(H)*242mm(W)
Power
No more than 15w

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3th . Machine installation
1 Unpacking
Check the host and accessories. Including the host, CD, power
cable, remote control, warranty card, manual.
2 Install the machine
Setting display unit : HD Quad video multiplexers support
1 VGA and 1 HDMI output synchronization, if you use HDMI input,
set input signal to HDMI of the display unit; if the user using
a VGA port input, TV set to VGA.
output port with display unit is connected: completing
placing the video multiplexers, the signal output via HDMI
cable or VGA cable docking with the display unit
Input Signal Connection: Via HDMI cable ,VGA cable or video
line connect the computer or other signal source output devices
with splitter input port
3. Power on
After finishing connecting the cables that we have talked
above , insert the 100~240V AC power supply, turn the machine,
if the power LED is red, the device is in working condition;

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4th . Remote Control Description
After completion of the above hardware connection and turn
on the power switch, the display unit may also display no image,
then we can through the control software or an infrared remote
control debug and settings. If you need a small numbers display
mode, we can set up the machine by remote control, this chapter,
we first explain our remote control.
1 Remote Button Function
2 Remote settings:
1, first the battery loaded correctly into random distribution
remote control, so the remote control can work properly;
2, the front end of remote control to IR port of the machine
press the 0 key.

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3,setting the signal source:
Press the MENU key so display unit pop-up the main menu as
shown in Figure 1, press the right navigation key then pop up
sub-menu as shown in Figure 2, by the left and right navigation
keys to select the input signal, the input signal contain HDMI,
VGA and VIDEO ,after finishing selecting access the type of
signal source of per channel ,press MENU key to save and exit
to complete the setup.the screen can display 4 images under 4
split mode. The input signal is VGA, the screen may show the
offset, color cast and display incomplete for the first time
access, , but can be corrected by remote control AUTO key.
Note: The menu operation mode and other settings are the same
way as the signal source, not reproduced here!
figure 1 figure 2
4, Output resolution:
The factory setting output resolution is 1920 * 1080 of device,
if the display unit less than 1920 x 1080 resolution and can
not display properly, you can reduce the resolution by the
output resolution menu causing the display unit to display
properly, the device output resolution can be optional of 1920
* 1080,1024 * 768,1280 * 1024,1280 * 720.
5, System ID:
Reservation function, need not to be provided;
6, System Language:
Can be set to Chinese or English;

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7, Display Mode:
The default setting is DVI mode, as if some of the display
unit is HDMI interface does not support DVI signal, you can
change the DVI mode to HDMI mode;
8, Factory Reset:
Wrong mode of operation, some time will cause the device is
not working properly, you can factory reset so that the normal
operation of the device;
9 Remote control shortcut mode description
Key 0: 4 split screen display mode;
1 key: the first screen full-screen display, USB mouse,
keyboard Salvo to the first mainframe computer;
2 key: the second screen full-screen display, USB mouse,
keyboard Salvo to the second host computer;
3 keys: 3 screen full screen display, USB mouse, keyboard Salvo
to the third mainframe computer;
4 keys: fourth screen full-screen display, USB mouse, keyboard
Salvo to the fourth mainframe computer;
5-9 keys: user-defined mode, according to their needs you can
do personalized display mode and save to 5-9 key, by 5-9
shortcut keys to call;
UA1: Under quad display mode, the mouse, keyboard, switch to
the first window;
UA2: Under quad display mode, the mouse, keyboard, switch to
the second window;
UA3: Under quad display mode, the mouse, the keyboard switches
to the third window;
UA4: Under quad display mode, the mouse, the keyboard switch
to the 4th windows;

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5th . Key Instructions
Through the chassis button, you can easily call in quick mode, the remote
controller corresponds to chassis key, the image and each button function
call as follows:
Key 0: 4 split screen display mode;
1 key: the first screen full-screen display, USB mouse, keyboard Salvo
to the first mainframe computer;
2 key: the second screen full-screen display, USB mouse, keyboard Salvo
to the second host computer;
3 keys: the3rd screen full screen display, USB mouse, keyboard Salvo to
the third mainframe computer;
4 keys:the fourth screen full-screen display, USB mouse, keyboard Salvo
to the fourth mainframe computer;
5-9 keys: user-defined mode, according to their needs you can do
personalized display mode and save key to 5-9 key, by 5-9shortcut keys
to call;
UA1: Under quad display mode, the mouse, keyboard, switch to the first
window;
UA2: Under quad display mode, the mouse, keyboard, switch to the second
window;
UA3: Under quad display mode, the mouse, the keyboard switches to the third
window;
UA4: Under quad display mode, the mouse, the keyboard to switch to the
4th windows;

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6th . Software Control
By remote control, the keypad setup and operation, to meet
the needs of most users. Users need to use windows superimposed
roaming or store some special split screen mode, you need to
operate by the control software to achieve, here are some steps
and methods through software control.
1, Connect the RS232 serial line
Firstly, through RS232 serial cable to connect the computer
and HD video multiplexers, as there is no RS-232 serial in
computer you need a USB to RS-232 adapter cable and install the
relevant driver.
2, check the computer settings
View computer equipment's COM port is normal to see these
steps: Right-click the desktop "My Computer" - "Properties" -
"Device Manager", as shown below COM Port number:
3, run the software
The random distribution of the CD-ROM control software folder
copy to control computer, and open QuarSystem file, such as
on the following screen:

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4, Communication Settings
Open the software upper left corner of the "Settings", check
the port numbers are consistent with the control computer
equipment manager port number, after confirmation click OK, the
following chart is settings interface:
5, Communication Connections
Click the top left corner of the control software "Connect",
the computer can communicate with the HD video multiplexers and
multi function control;
6, Profiles
Profiles are divided into default scenario, the custom scene
and USB audio.
The default scene: the factory default settings cured, can not
be changed;
Custom scene: the user can according to their needs, custom
personalized scene;
USB Audio: Factory default settings, just switching USB
following channel ;

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6.1 Default profile
Like the keys and the remote control, press 0 for the standard
quad, press 1,2,3,4 is1,2,3,4 window full-screen display, and
USB mouse, keyboard Salvo;
6.2 Custom Profiles
After user-defined screen alignment pattern,it can be saved
in any of a 5-16 numeric keys , and then by clicking the mouse
button shortcut call. As saving in 5, then setting the screen
arranged press and hold the CTRL key, and then click the mouse
5, the model is saved in 5 mode, you can directly through the
remote control, buttons or click on the software you can call
out the 5 mode;
6.3 USB Audio:
Under Quad mode, a separate switch mouse, keyboard
simultaneously control four mainframe computer, the product no
audio;
6.4 Volume control: No;

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6.5 Transparency adjustment: by adjusting the transparency,
you can see the bottom screen through the superimposed images;
7, polling
After the user finishing setting a good number of split screen
mode, by setting the polling, a plurality of screen display mode
is automatically switched at regular intervals of time. Click
on the software interface "round robin" to enter the round robin,
you choose a good pre-stored profile, and then choose a good
polling interval, click OK to make the split screen mode polling
state. When using the polling function, the computer operating
software interface can not be closed. Round Robin management
interface is shown below:
8 .Window lift
By lifting the window, so to speak
As a window on top of the channel, so that
Software control is more convenient;
9. Ribbon
Quick to set up single-screen display, the left and right or

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up and down two split screen display, three split screen display,
four-split screen display;
10. Enable settings
By enabling setting video multiplexers output resolution
And selection of DVI or HDMI mode
11, Custom split mode settings
11.1 by the mouse dragging Window position, resize the window;
or right-click to close or new window, signal switching,
channel settings such as aliases;
11.2 Multiple display modes can be set freely and by CTRL plus
the number keys to save, save mode quickly call by remote
control, chassis button or in the control;
11.3 Position, fine-tune window
By right-clicking on the appropriate window, after pop-up

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settings menu, sub menu can see the position of the adjustment,
by adjusting the position option can be entered digitally
pinpoint the exact location and the window screen to adjust the
screen size, as shown:
11.4 You can set picture mode, for example
By controlling the software can be set to various split mode,
such as PIP, POP, window superimposed multiple roaming, a large
screen and other three small etc various patterns. Here are some
common arrangement