User Manual
User's Manual for LCD Splicing Unit
Note: please read this manual carefully before using the product! Do not attempt to disassemble the product. If the product does not work, please contact us or our dealer in your area.
Important Safety Precautions
Thanks for purchasing our high-performance LCD splicing unit. As a very valuable product, it could bring you better visual enjoyment. This product has considered all the personal safety factors in the design and has undergone rigid tests before delivery. However, improper use may cause electric shock or fire. To ensure your safety, prolong the service life of the product and give full play to produce optimum performance, please read these safety precautions carefully before use and follow them in use.
•Do not disassemble the splicing unit
In the following cases, please remove the power plug firstly and contact our maintenance personnel for repair:
The power cord or power plug is damaged or worn out; Although you perform all operations according to the instructions, the product cannot work properly; The product emits abnormal sounds or smells.
There is a dangerous high voltage inside the product. No user-serviceable components are contained therein. For your own safety, you are not allowed to disassemble the product. Please contact qualified maintenance personnel for repair.
Put the product in a well-ventilated place free of extreme temperature and moisture. Do not expose it to direct sunlight.
The openings on the housing are designed to protect the product against overheating and ensure the durability and reliability of the inside components. Be careful not to block the openings.
If the product is not to be used in a long time, please remove the power cord from the power outlet; do not leave it in standby mode for long.
Read and understand all operating instructions specified in the User's Manual and on the nameplate before use, and keep this Manual carefully for future reference.
It is dangerous to use any accessory that is not recommended by us.
Protect the power cord from being stepped on by any person or pressed by any object.
Do not overload the power outlet or extend the power cord, or there could be a risk of fire or electric shock.
The LCD screen is a delicate part susceptible to scratches. Do not use any hard object to knock on, press or scratch the splicing unit, or it could be damaged, resulting in high replacement cost.
The technical specifications provided both in this Manual and on the outer package are subject to change without further notice; in case of any difference between actual operation and the descriptions herein, the former shall prevail.
If you use any power plug or appliance coupler as the disconnection device, please ensure the disconnection device is easy to operate.
Keep the product away from water drops and splashes. Do not put any container filled with water (or any other liquid) on the product, or there could be a risk of fire or electric shock.
Insert the power plug into the power outlet reliably. The Unreliable connection could cause sparkles or fire.
Do not put any candle, ashtray, incense, combustible gas or any inflammable or explosive materials nearby the product.
Do not insert any sharp or metal object or pour any liquid into the signal connector or ventilation holes, or there could be a risk of short circuit, product damage or electric shock. Pay special attention if there are any children nearby.
Note to protect the product from any impact when moving it, especially the screen. If you move the product in a trolley, be careful to prevent it from any damage caused by sudden brake, excessive force or rough floor
Warning: This is a class A product. In a domestic environment, this product may cause radio interference in which case the user may be required to take adequate measures.
1. Product Description
•Before operating the splicing unit, please get a comprehensive understanding of the relevant prerequisites, such as the specification or limitation of hardware and software, etc. We shall not be held liable for any loss, damage or injury caused by improper use of the product.
•You are not allowed to copy, use, alter or disseminate this Manual in whole or in part without prior written consent. •Any and all product names or company names used in this Manual are trademarks or registered trademarks of their respective owners.
•If you have any advice or question related to this Manual, please contact our dealer in your area or our customer service center.
• Applicant input socket is used as a make and break device for this equipment; when placing this equipment, please consider the convenience of unplugging the power cord on the power input socket.
Features and Specifications
2.1Features
• LG and Samsung narrow-bezel DID LCD splicing unit, presenting you a seamless display effect in multi-screen splicing.
•Support m lines and n columns (1 m 10, 1 n 10) in splicing and 1Qx10 at most.
•Remote control of RS232 serial port: Each unit supports one RS232 input and one RS232 loop out.
•Auto color adjustment ensures color uniformity in multi-screen splicing, with a built-incontrol unit to realize fine adjustment of color.
•The built-in picture cutting and compensation function can work with system software to accommodate large screen splicing projects.
•AV port supports output that can be used for loop-through connection in splicing and also for other purposes.
•Industrial cooling fan is equipped for heat dissipation and improved reliability, supporting continuous working for 7x 18 hours.
2.2 VGA Display Mode
NO | MODE | RESOLUTION | REFRESH |
1 | VGA | 720x400 | 70Hz |
2 | VGA | 640x480 | 60Hz |
3 | SVGA | 800x600 | 60Hz |
4 | XGA | 1024x768 | 60Hz |
5 | WXGA | 1360x768 | 60Hz |
6 | WUXGA | 1920x1080 | 60Hz |
2.3 HDMI Display Mode
NO | MODE | RESOLUTION | REFRESH |
1 | SD | 720x480 | 60Hz |
2 | SD | 720x576 | 50Hz |
3 | SD | 1280x720 | 50Hz |
4 | SD | 1280x720 | 60Hz |
5 | HD | 1920x1080 | 50Hz |
6 | HD | 1920x1080 | 60Hz |
2.4 DVI Display Mode
NO | MODE | RESOLUTION | REFRESH |
1 | VGA | 720x400 640x480 | 70Hz 60Hz |
2 | SVGA | 800x600 | 60Hz |
3 | XGA | 1024x768 | 60Hz |
4 | SXGA | 1280x1024 | 60Hz |
5 | WXGA | 1600x900 | 60Hz |
6 | WUXGA | 1920x1080 | 60Hz |
3. Accessory List
The package shall be included the following items:
Note: DVl-D cable shall be used when using DVI cable at client end.
Note: This equipment has been tested and found to comply with the limits for a Class A digital device, according to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used by following the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense.
4. Installation
Firstly ensure the bracket are available before installation.
4.1Direction
When the splicing unit is used lengthways, rotate it clockwise to move the left upwards to ensure normal ventilation and prolong service life of the splicing unit. Poor ventilation may shorten its service life.
4.2Installation Location
•The ceiling or wall shall be firm enough to support the displays and installation parts.
•Do not install the product at places susceptible to collision.
•Do not install the product at places where it is likely to suffer from strong vibration or dust.
•Do not install the product at places where the main power supply enters the building.
•Do not install the product at places where it is likely to interfere with normal activity.
•If the product is installed inside the wall, please reserve 1Ocm space around the splicing unit to ensure normal ventilation.
•Ensure the splicing unit is in a well-ventilated or air-conditioned place for normal heat dissipation.
4.3Maintenance
•Regularly check whether there are loose screws, gaps, deformation or other problems at the mount or not.
•Regularly check whether there is any damage or quality deterioration, etc. at the installation location or not.
4.4 Connection of Installation Parts
Do not incline the splicing unit( see the below figure). The installation parts may be connected only when the splicing unit face down. A layer of protective film is placed between the table and splicing unit to prevent from damaging the surface of screen.
4.5 Ventilation Requirements
When the product is installed in a closed or embedded area, sufficient space shall be reserved between the splicing unit and closed wall to ensure normal heat dissipation as shown in the below figure.
4.6Incline Prevention
If the desktop mount is installed, the rope or chain which can support the splicing unit shall be used to tie the splicing unit to the wall to prevent it from falling. Use the fixation clamp and screws provided to fasten the rope or chain to the splicing unit.
(Please use the fixation clamp and screws to fasten the rope or chain to the splicing unit in engineering installation)
5. Name and Structure
5.1 Remote Control
Description of remote control buttons
Key | Description |
Standby key | Switch between working mode and standby mode |
Mute key | Turn off the sound |
Number keys | Input numbers |
Sound mode key | Switch to sound mode |
Image mode key | Switch to Image mode |
Cursor keys | Up/down keys: select an item to be adjusted Left/right keys: adjust the value of the selected item |
Volume +/- keys | Increase/reduce the volume |
Menu key | Display the main menu |
Signal source key | Display the signal source selection menu |
OSD key | Display the screen information |
Sleep key | Set a time for auto power-off |
Zoom key | Switch the display mode |
Color temperature key | Switch the color temperature |
Ok key | Confirm the current operation |
Play key( ) Pause key( II ) Stop key(•) Rotate key(o-) Previous key (1+i1) Next key( ) | Operations in USB mode |
5.2 Ports
Video Signal Port | Description | Video Signal Port | Description |
1 | Power interface | 8 | PC audio interface |
2 | ON/OFF key | 9 | Video input interface |
3 | RS232 IN/OUT | 10 | Video output interface |
4 | USB interface (1 & 2) | 11 | Audio output interface |
5 | HDMI | 12 | YPbPr/YCbCr input interface |
6 | DVI | 13 | S-Video input interface |
7 | VGA interface | 14 | Audio input interface |
5.3 Looping
Receive the signal from the looping input and output it to the next-level unit from the looping output.
6. Functions
As a specialty splicing unit, the product is featured with high brightness, high contrast, huge viewing angle (178° horizontally and vertically) and quick response. It is equipped with the built-in full-featured RS232 control command to facilitate an easy construction of the remote control system. The product supports the following input signals and signals transmission functions.
Source Input Port | Number of Signal Transmission Channel |
AV1 | 1 |
AV2/AV3/AV4 | 0 |
YPbPr/YCbCr | 0 |
DVI | 0 |
VGA | 0 |
S-Video | 0 |
HDMI | 0 |
The above table describes Model AV1 as an example, but in actual operation,AV2, AV3 and AV4 under AV input channel can also transmit AV signals.
7. Splicing Unit
7.1System Composition (2x2 for example)
Taking 2><2 as an example, VGA matrix selects 4-in and 4-out matrix and the video matrix selects 4-in and 4-out matrix (or hybrid matrix with VGA 4-in and 4-out matrix plus video 4-in and 4-out matrix); VGA signals output from each channel of the matrix connects to VGA input of the splicing unit, and video signals output from each channel connects to video input of the splicing unit; to use DVI or HDMI signals, add DVI or HDMI matrix and
connect as shown in the above figure.
7.2Looping Method
Make use of the signal forwarding function and the software provided with the product to realize the splicing of displays easily. We recommend several connections of signal cables (taking 3x3 as the example) for quick installation of the splicing unit as follows.
The splicing unit used at Level 1 can be other displays, but not necessarily No. 1. The number of splicing units needs to be set manually in OSD menu. The principles are shown as follows:
•The number begins with 1.
•The number increases progressively from left to right.
•The number increases progressively from top to bottom.
The splicing units are connected according to the following two principles:
•Each splicing unit shall be connected.
•All used signal cables shall be as short as possible.
7.3 Seamless Video Display Function
Seam properties are set by the software automatically. Each splicing unit has its own frames, so the display area is not 100% in splicing. To prevent rupture of the image, the frames of splicing unit can also be deemed as valid display areas. Therefore, a continuation of the image is not damaged by sacrificing partial image contents. As shown below the top figure displays the effect when the seamless video display function is disabled and the bottom figure displays the effect when the seamless video display function is enabled.
8. B•ic Operations
Power on the splicing unit
•Insert the power cord into the power outlet.
•Press the power key on the remote control or use the power-on key in the software.
Power off the splicing unit
•Press the power key on the remote control or use the power-off key in the software, and then the system will enter a standby state.
•When you want to cut off the power completely, please pull out the power cord. You can select the input signal by pressing the Source key. You can also select the input signal via control software (please connect the PC with the splicing unit first). The following input sources are optional: AV 1,AV 2, AV 3, AV 4, S-Video, Component, PC, HDMI,DVI,USB 1and USB 2.
9. Menu Operations
9.1How to Use OSD
You can experience various features and functions of this product via OSD, i.e., on-screen display. Signal source selection Press SOURCE" key on the remote control to enter the input signal source menu; at this moment, press ". ''∆.&. ∇" keys on the remote control to select a signal source, such as AV 1, AV 2, AV 3, AV 4, S-Video, Component, PC, HDMI, DVI, USB 1 and USB 2. Then press the "OK" key on the remote control to switch to the selected input signal source.
Menu selection
Press "Menu key on the remote control to display the main menu:
1.Press the left/right cursor keys on the remote control to select a submenu, like [Image], [Sound], [Menu] or [PC].
2.Press the down cursor key on the remote control to enter the selected submenu. 3.Press the up/down cursor keys on the remote control to select an item to be adjusted.
4.Press the left/right cursor keys on the remote control to change or set the analog value of the selected item.
5.When the main menu appears on the screen, you can press the "Menu" key to exit from the main menu. When a submenu appears on the screen, 1.you can press
6.Menu" key to return to the previous menu. Press the "Source" key to enter the input signal source menu and press it again to exit.
7.In menu operations, the currently inoperable items will turn grey.
8.The User's Manual describes the menu operations under Video 1as an example; menu operations for other signal sources are basically identical. (Note: The PCsubmenu is only available in the PC signal channel).
9.2 Image
Select "Image " to enter the submenu, press the up/down cursor keys on the remote control to select an item to be adjusted, and then press the left/right cursor keys on the remote control to change the analog value or status of the selected item. (See the table below).
Item | Function | Description |
Image mode | Adjust the overall image effect | [Standard]. [Soft],[User] or[Bright] |
Contrast | Adjust the overall image layering | The bigger the analog value (0-100), the higher the layering |
Brightness | Adjust the overall image brightness | The bigger the analog value (0-100), the higher the brightness |
Color saturation | Adjust the color depth | The bigger the analog value (0-100), the darker the color |
Color tone | Adjust the color tone | The bigger/smaller the analog value (0-100), the greener/more purple the tone |
Definition | Adjust the image definition | The bigger the analog value (0-100), the higher the definition |
Aspect ratio | Adjust the image display scale | [Full Screen] and [4:3] |
Color temperature | Adjust the overall color temperature | [Slandard], [Warm] or [Cold] |
Noise reduction | Set the noise reduction level | [Medium]. [High]. [Off) or [Low] |
9.3 Settings
Select " Settings'' to enter the submenu [settings], press the up/down cursor keys on the remote control to select an item to be adjusted, and then press the left/right cursor keys on the remote control to adjust the analog value or status of the selected item. (See the table below).
Item | Function | Description |
Menu language | Set the menu language | [Chinese] or [English] |
Menu display time | Set the menu display time | [15s], [30s], [45s] or[60s] |
Menu transparency | Set the menu transparency | The bigger the analog value (0-100), the higher the transparency |
Blue screen | Set whether it displays blue screen or not if no signal is input | [On] or [Off] |
Sleep timer | Set timer for auto standby | [Off), [15min], [30min], [45min], [60min], [90min], [120min] or [240min] |
Reset | Restore the factory default settings | Restore the factory default settings |
9.4 PC
Select "PC" to enter the submenu [PC], press the up/down cursor keys on the remote control to select an item to be adjusted, and then press the left / right cursor keys on the remote control to adjust the analog value or status of the selected item. (See the table below).
Item | Function | Description |
Auto adjustment | Auto adjust the screen | Press the right key on the remote control to auto-adjust to the best display effect |
Horizontal position | Adjust the horizontal position | Move the on-screen display left and right |
Vertical position | Adjust the vertical position | Move the on-screen display up and down |
Frequency | Adjust the frequency | Adjust the frequency to track stability and definition |
Phase | Adjust the phase | Adjust the phase of the pixel frequency |
10. Cleaning and Troubleshooting
10.1 Cleaning
Precautions in use of the splicing unit
Do not put your hands, face or other objects nearby the ventilation holes. The top of the product is hot as the high-temperature gas exhausts from the ventilation holes. You may get burnt if your body is too close to its top. Any object on its top may damage the object itself or the product due to high temperature.
Before moving the product, disconnect all cables. If the product is moved when any cable is in connection, the cable may be damaged to cause fire or electric shock.
To ensure safety, please remove the power plug from the wall outlet before any cleaning or maintenance. Cleaning the front panel.
The front of the product has been specially treated. Please wipe the surface gently by using a clean cloth or soft and lint-free cloth.
If the surface is dirty, please soak the soft and lint-free cloth in mild detergent and then dry it to wipe the surface of the product. Finally, dry the product with the same type of dry cloth.
Do not use your fingers or any other hard object to scrape or knock on the surface affront panel.
Do not use any volatile substance, such as spray, solvent and diluents. Cleaning the housing:
If the housing is dirty, please wipe it with a soft and dry cloth.
If the housing is very dirty, please soak the lint-free cloth in mild detergent and then dry it as far as possible to wipe the housing. Finally, dry it with another piece of cloth.
No water or detergent is allowed to come into contact with the surface of the product. If water or moisture enters the product, operation faults and electric shock may occur
Do not use your fingers or any other hard object to scrape or knock on the housing.
Do not use any volatile substance, such as spray, solvent and diluents.
No plastic or PVC product is allowed to be placed nearby housing for a long time.
10.2 Troubleshooting
Fault Description | Possible Cause | Solution |
No picture display |
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The splicing unit is interfered to give out noise | It is caused by the electrical equipment or fluorescent lamp. | Move the product to other places to see whether the interference can be reduced or not. |
Color is abnormal | The signal cable is connected improperly. | Ensure the signal cable is connected to the back of the product firmly. |
The picture is distorted |
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The displayed image cannot achieve a full-screen display | The aspect ratio is not set correctly. | Fine adjust the geometry of screen and clock frequency parameter by using the aspect ratio or proportion function in the OSD. |
Only sound, no picture | The signal cable for input source is connected improperly. | Please ensure the video input and audio input is connected properly. |
Only picture, no sound |
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Some picture elements are not bright | Some pixels are not activated. | This machine uses high-precision technology in manufacturing. However, some pixels may fail to display on the screen sometimes. This is not a fault. |
After power is off, image retention appears on the screen. (Static picture examples include: Logos, video games, PC images and the images displayed in 4:3 format) | The static picture is displayed for too long. | Do not let the static picture display for too long, or permanent image retention will occur. |
11. On/Off RS232 Communication Command and Relevant Configurations
For the convenience of some clients in secondary development of centralized control, on/off RS232 communication command and relevant configurations are described as follows:
•RS232 communication settings:
Baud rate: 9600bps Parity check bit: none Data bit: 8 bits Stop bit:1bits
•On/off RS232 communication command:
On RS232 command: 0 x 69 0 x DO 0 x C6 Off RS232 command: 0 x E50 x FD 0 x 20 0 x 71 0 ><BC
The above commands are hexadecimal. For further information, please contact our technicians.
This Manual is only for reference; actual functions are subject to change without further notice, please refer to the actual product.
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