LightSpeed Technologies VM-4K-2X2 User manual

User Manual
VM-4K-2X2
4K/60 2X2 Seamless Video Wall Processor
Version: V1.0.1

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VM-4K-2X2
4K/60 2X2 Seamless Video Wall Processor
Version: V1.0.1
Table of Contents
Introduction ........................................................................................................................................................................................... 3
Overview................................................................................................................................................................................................ 3
Features ................................................................................................................................................................................................. 3
Package Contents................................................................................................................................................................................... 3
Specifications ......................................................................................................................................................................................... 4
Transmission Distance............................................................................................................................................................................ 4
Panel Description................................................................................................................................................................................... 5
Front Panel............................................................................................................................................................................................. 5
Panel Description................................................................................................................................................................................... 6
Back Panel.............................................................................................................................................................................................. 6
Installation and Wiring........................................................................................................................................................................... 7
Warnings:............................................................................................................................................................................................... 7
Installation ............................................................................................................................................................................................. 7
Wiring..................................................................................................................................................................................................... 8
Matrix Switcher Mode ........................................................................................................................................................................... 8
Video Wall Mode ................................................................................................................................................................................... 9
IR Control .............................................................................................................................................................................................10
Command Control................................................................................................................................................................................11
Obtain the IP Address of the Device....................................................................................................................................................12
Web UI .................................................................................................................................................................................................13
Matrix Control......................................................................................................................................................................................14
Video Mode..........................................................................................................................................................................................14
Video Wall............................................................................................................................................................................................ 15
HDMI A/V Mute ...................................................................................................................................................................................17
De-embedded Audio Mute..................................................................................................................................................................17
Video output resolution.......................................................................................................................................................................17
Presets Matrix Control .........................................................................................................................................................................18
General Setting ....................................................................................................................................................................................18
Source Naming.....................................................................................................................................................................................18
Zone Naming........................................................................................................................................................................................18
Advanced Setting .................................................................................................................................................................................19
Lower Power Mode..............................................................................................................................................................................19
EDID Preset ..........................................................................................................................................................................................19
EDID Read.............................................................................................................................................................................................20
CEC Control ..........................................................................................................................................................................................21
HDCP .................................................................................................................................................................................................... 21
Change Login Password .......................................................................................................................................................................21
Network ............................................................................................................................................................................................... 22
Custom Web UI Logo............................................................................................................................................................................22
System Version.....................................................................................................................................................................................22
FW Update ...........................................................................................................................................................................................23
System..................................................................................................................................................................................................23
Log........................................................................................................................................................................................................23
Firmware Upgrade ...............................................................................................................................................................................24

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VM-4K-2X2
4K/60 2X2 Seamless Video Wall Processor
Version: V1.0.1
Introduction
Overview
The LightSpeed® VW-4K-2X features a compact enclosure, instant switching, and free scaling up to 4K@60Hz SDR and HDR. It
supports two video working modes including matrix switcher mode and video wall mode to meet different application
requirements. In matrix switcher mode, it allows four HDMI inputs to be switched to four HDMI outputs. In video wall mode, the
matrix supports a 2x2 video wall layout, which can select any input for video wall outputs, configure bezel correction, and set
image rotation. It also provides both analog and digital S/PDIF audio de-embedding for outputs 1 & 2. The product can be easily
managed and controlled, for example, through front panel buttons, IR, RS232, web UI, and TCP protocols.
Features
•Seamless switching without seeing a black screen between four HDMI inputs and outputs.
•Each HDMI input and output support video format up to 4K@60Hz SDR and HDR.
•HDCP 2.2 compliant and backward compatible.
•EDID management including EDID presets, EDID copy, and custom EDID.
•Advanced video processing capabilities:
✓Supports free scaling between 480p and 4K@60Hz.
✓Supports conversion between SDR and HDR formats.
✓Supports conversion on color space, chroma, and color bits.
✓Supports instant switching between sources so black screen transition is avoided.
✓Supports rich scaler processing modes, including auto scaler, manual scaler, and video bypass.
•Supports two video working modes:
✓Supports matrix switcher mode, which can route any input to any output.
✓Supports video wall mode (2x2 layout), and configures its output distribution, bezel correction, input selection, and
image 180° rotation (to facilitate 2x2 video wall setup using TV display) through API commands and web UI.
•Can be easily managed and controlled through front panel buttons, IR, RS232, web UI, and TCP protocols.
•Supports firmware upgrade through web UI and Micro USB port.
Package Contents
•1 x Matrix Switcher
•1 x DC 12V 3A Power Adapter
•1 x IR Remote Controller
•1 x IR Receiver Cable
•1 x AC Power Cord (with US Pins)
•1 x 3.5mm 3-Pin Phoenix Male Connector
•2 x 3.5mm 5-Pin Phoenix Male Connector
•4 x Mounting Brackets (with Screws)

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VM-4K-2X2
4K/60 2X2 Seamless Video Wall Processor
Version: V1.0.1
Specifications
General
Operating Temperature
0°C to 45°C (32°F to 113°F)
Storage Temperature
-20°C to 70°C (-4°F to 158°F)
Humidity
10% to 90%, non-condensing
ESD Protection
Human-body Model: ±8kV (Air-gap discharge)/ ±4kV (Contact discharge)
Power Supply
DC 12V
Power Consumption (Max)
16W
Dimension (W x H x D)
215mm x 42mm x 140.2mm/8.46” x 1.65” x 5.52”
Product Weight
1.2kg/2.64lbs
Technical
Input/Output Port
4 x HDMI IN, 4 x HDMI OUT, 1 x RS-232, 1 x LAN (RJ45), 2 x S/PDIF OUT,
2 x Analog AUDIO OUT, 1 x FW (Micro USB), 1 x DC 12V
Input/Output Signal Type
HDMI with 4K@60Hz 4:4:4
Input/Output Resolution Supported
VESA:
800x6008, 1024x7688, 1280x7688, 1280x8008, 1280x9608, 1280x10248,1360x7688,
1366x7688, 1440x9008, 1600x9008, 1600x12008, 1680x10508,1920x12008
SMPTE:
720x576P6, 1280x720P6,7,8, 1920x1080P2,5,6,7,8, 3840x21602,3,5,6,8,
4096x21602,3,5,6,8
2 = at 24 Hz, 3 = at 25 Hz, 5 = at 30 Hz, 6 = at 50 Hz, 7 = at 59.94 Hz, 8 = 60 Hz
Audio Format
HDMI IN/OUT: Fully supports audio formats in HDMI 2.0 specification, including PCM
2.0/5.1/7.1, Dolby TrueHD, Dolby Atmos, DTSHD Master Audio and DTS:X
AUDIO OUT: Balance stereo audio
S/PDIF OUT: PCM 2.0/5.1, Dolby digital and DTS up to 5.1 Channel
Maximum Data Rate
18Gbps
Control Method
Front Panel Buttons, RS232, IR, LAN (Telnet &Web UI)
Transmission Distance
Cable Type
Range
Supported Video
HDMI
Input: 15m/50ft
Output: 10m/33ft
1080P@60Hz 24bpp
Input/Output: 10m/33ft
4K@30Hz 4:4:4 24bpp
4K@60Hz 4:2:0 24bpp
Input/Output: 3m/10ft
4K@60Hz 4:4:4 24bpp

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VM-4K-2X2
4K/60 2X2 Seamless Video Wall Processor
Version: V1.0.1
Panel Description
Front Panel
ID
Name
Description
1
Power LED
On: The device is powered on.
Off: The device is powered off.
2
INPUT SELECT
Input selection LEDs and buttons for input ports (1-4).
LED On: The input port is selected.
LED Blinking: The input port is routed to a specific output.
LED Off: The input port is not selected.
Input selection buttons (1-4): press to select specific input port.
3
OUTPUT SELECT
Output selection LEDs and buttons for output ports (1-4).
LED On: The output port is selected.
LED Blinking: The output port is routed to a specific input port.
LED Off: The output port is not selected.
Output selection buttons (1-4): press to select specific output port.
4
ENTER
Press this button to perform the input and output selection.
Hold the button for about 10s to reset the IP settings of the device.

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VM-4K-2X2
4K/60 2X2 Seamless Video Wall Processor
Version: V1.0.1
Panel Description
Back Panel
ID
Name
Description
1
12V
Connect to the power adapter and AC power cord provided for power input.
2
HDMI IN (1-4)
Connect to the HDMI source devices.
3
HDMI OUT (1-4)
Connect to the HDMI display devices.
4
FW
Connect to the PC for firmware (ARM module) upgrade.
5
RS232
Connect to the PC for RS232 control on this device.
6
LAN
Connect to a network device (e.g., network switch, router, computer, etc.) for LAN
control (Web UI & Telnet).
7
IR EXT.
IR extension port. Connect to the IR receiver cable.
8
AUDIO OUT1
Analog audio de-embedded output from HDMI out 1. Connect to an amplifier or a
speaker.
9
SPDIF OUT 1
Digital audio de-embedded output from HDMI out 1. Connect to an A/V receiver or
similar.
10
AUDIO OUT2
Analog audio de-embedded output from HDMI out 2. Connect to an amplifier or a
speaker.
11
SPDIF OUT2
Digital audio de-embedded output from HDMI out 2. Connect to an A/V receiver or similar.

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VM-4K-2X2
4K/60 2X2 Seamless Video Wall Processor
Version: V1.0.1
Installation and Wiring
Warnings:
Before installation and wiring, disconnect power from the device.
During wiring, connect and disconnect the cables gently.
Installation
Attach the bracket to one side of the enclosure using the screws provided.
The bracket is attached to the enclosure as shown.
Repeat step 1 for the other side of the enclosure.
Attach the brackets to the surface or location desired using screws (not included in the package).

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VM-4K-2X2
4K/60 2X2 Seamless Video Wall Processor
Version: V1.0.1
Wiring
The matrix supports two video working modes, including matrix switcher mode and video wall mode to meet
different application requirements. Users can select working mode and configure corresponding settings
through API commands or web UI. For detailed information, please refer to the separate document “API
Command Set_VM-4K-2X2” or “Web UI” section.
Matrix Switcher Mode

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VM-4K-2X2
4K/60 2X2 Seamless Video Wall Processor
Version: V1.0.1
Video Wall Mode
The matrix supports a 2x2 video wall layout. Users can select any input as the source of the video wall, set output
distribution, set bezel correction, and set 180° rotation of output image (to facilitate 2x2 video wall setup using TV
display) through API commands or web UI. For detailed information, please refer to the separate document “API
Command Set_VM-4K-2X2”or “Web UI” section. Button Control
Users can perform basic switching of input sources to output displays using front panel buttons in matrix switcher
mode.
To select an input source for the output display:
Press one or multiple buttons of OUT 1-4 to select the output port(s). The LED will light up once a specific output
port is selected.
Press one button of IN 1-4 to select an input port. The LED will light up when one specific input port is selected.
Press the ENTER button to implement the selection. The selection takes effect when the LEDs are off.

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VM-4K-2X2
4K/60 2X2 Seamless Video Wall Processor
Version: V1.0.1
IR Control
The device can be controlled by the IR remote controller in matrix switcher mode. Connect the IR receiver cable to
the IR EXT. port at the rear panel of the device and ensure the receiver eye is accessible to the remote controller.
To select an input source for one output display:
Connect the IR receiver cable to the IR EXT. port at the rear panel of the device.
Select the target output display from the column 1-4.
Press the target input port number or previous ( ) / next ( ) button to select the desired input source.

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VM-4K-2X2
4K/60 2X2 Seamless Video Wall Processor
Version: V1.0.1
Command Control
Advanced users may need to control the device via API commands. Two methods are provided for controlling this device through API
commands:
1. RS232.
Connect a control PC to the RS232 port of the device. Before sending API commands to control the device, ensure the serial ports between this
device and the PC are configured correctly. A professional RS232 serial interface software (e.g.,
Serial Assist) may be needed as well.
2. Telnet.
Connect a control PC to the LAN port of the device. Before you intend to control the device through telnet API, you shall establish a connection
between this device and your computer.
The form of the command for telnet connection is below:
telnet ip (port)
•ip: The device’s IP address.
•port: The device’s port number, this is non-required for some Telnet control tools. The default setting is 23.
For example, if the device’s IP address is 192.168.11.143, the command for telnet connection shall be the following:
telnet 192.168.11.143
Parameters
Default Value
Baud Rate
115200 bps
Data bits
8 bits
Parity
None
Stop bits
1 bit
Flow control
None

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VM-4K-2X2
4K/60 2X2 Seamless Video Wall Processor
Version: V1.0.1
Obtain the IP Address of the Device
To obtain the device’s IP address:
1. Connect a control PC to the RS232 port of the device.
2. Configure RS232 parameters for the PC’s serial port correctly through a RS232 serial port tool, such as Serial Assist.
3. Input the command GET IPADDR<CR><LF> and send. You will get a response with the IP address, see the following:
Input:
GET IPADDR<CR><LF>
Response:
IPADDR 172.16.18.173 MASK 255.255.255.0 GATEWAY 172.16.18.1
Note: When all is configured properly, you can control the device through commands, which are available in
the separate document “API Command Set_VM-4K-2X2”.

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VM-4K-2X2
4K/60 2X2 Seamless Video Wall Processor
Version: V1.0.1
Web UI
The Web UI designed for this device allows for basic controls and advanced settings. It can be accessed through a modern browser with the latest
version, e.g., Chrome, Safari, Firefox, IE10+, etc.
To get access the Web UI:
1. Connect the LAN port of the device to a local area network. (Ensure there’s a DHCP server in the network so that the device can obtain a valid
IP address.)
2. Connect the PC to the same network as this device.
3. Input the device’s IP address in the browser and press Enter, the following window will pop up. (Refer to Obtain IP Address of the Device
section to get the device’s IP address quickly).
4. The following window pops up. Input the password (default password: admin) and click Login.
5. Input a new password in the dialog box and click Apply to enter the main page. The password shall be alphanumeric with 4 to 16 characters
in length.
The main page consists of three tabs: Matrix Control, General Setting, Advanced Setting.

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VM-4K-2X2
4K/60 2X2 Seamless Video Wall Processor
Version: V1.0.1
Matrix Control
VIDEO MODE
Matrix Switcher
If users selected Video wall mode before, click the circle (turn to green) in front of “Matrix switcher”, and click “CONFIRM” in the following
window to set the device to Matrix switcher mode.
When video mode is set to “Matrix Switcher”, the device is used as a 4x4 matrix, this section manages the distribution of input sources to output
displays.
Click the button in the table to select the input for the output display (the button turns from white to green once the selection is done).
•ALL OUTPUTS: Click to route INPUT (n) for all OUTPUTs.
Default setting: Input 1 is routed to Output 1, …, Input (n) is routed to Output (n), n = 1, 2, 3, 4.
•CEC Control:
⇨On: Click to power on the display connected to the output selected through CEC.
⇨Off: Click to power off the display connected to the output selected through CEC.
•Video Details:
Click to view detailed information on input and output ports including status, resolution, frame rate, etc., see the following:

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VM-4K-2X2
4K/60 2X2 Seamless Video Wall Processor
Version: V1.0.1
Video Wall
Click the circle (turn to green) in front of “Video wall”and click “CONFIRM” in the following window to set the device to Video wall
mode.

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VM-4K-2X2
4K/60 2X2 Seamless Video Wall Processor
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When setting the video to “Video wall” mode, users can set video wall output distribution, select the input source, set bezel
correction, and set video wall image rotation.
•Video wall layout: Shows the video wall layout is 2x2.
•Video wall outputs: Click the button in the table to set the positions of the outputs in the video wall (the button turns from white to green
once selection is done).
Default Setting:
OUTPUT 1: Top Left;
OUTPUT 2: Top Right;
OUTPUT 3: Bottom Left;
OUTPUT 4: Bottom Right.
•Video wall input: Click the button in the table to select the input source for the video wall (the button turns from white to green once the
selection is done).
Default Setting: INPUT 1
•Video wall flip: Click the check box before the output 1-4 to set the corresponding image to be rotated 180°.
Default setting: unchecked.
•Bezel Adjustment: Set bezel compensation, so that there is no position deviation of image from each screen in the video wall.
Default settings: 0; Range: 0-10000
⇨OW/OH: These are the outside width/height of each video wall display.
⇨VW/VH: These are the inner width/height of each video wall display.
⇨Apply: Click to apply the bezel correction settings.
Note: To ensure proper visual display, all video wall displays are recommended to be the same size.

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VM-4K-2X2
4K/60 2X2 Seamless Video Wall Processor
Version: V1.0.1
HDMI A/V Mute
•ON: Select to mute video and audio for the selected HDMI output port.
•OFF: Select to unmute video and audio for selected HDMI output port.
Default setting: OFF
De-embedded Audio Mute
•ON: Select to mute de-embedded audio for selected audio output ports.
•OFF: Select to unmute de-embedded audio for selected audio output ports.
Default setting: OFF
Video output resolution
This section manages resolution configurations for Output 1-4. Three operation options are provided for each output.
•Auto: Select to automatically adapt to display EDID and resolution. E.g., If the display supports up to 4K@30Hz, the device will output signal
with 4K@30Hz.
•Manual: Select a desired output resolution from the Resolution dropdown menu for the selected output port.
•Bypass: Select to bypass the input video source to the selected output port. When “Bypass” is selected, black screen may occur on the
display if unsupported resolutions are switched to the display.
Default: Auto
Note:
•In Matrix switcher mode, “Auto” and “Manual” options are available for all output ports (1 to 4), while “Bypass” is available for Output 1
and Output 2 only.
•In Video wall mode, “Auto” and “Manual” options are available for all output ports (1 to 4).

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4K/60 2X2 Seamless Video Wall Processor
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Presets Matrix Control
This section saves or loads the settings of or to Video Matrix Control section.
•Save: Click to save settings of Video Matrix Control section.
•Load: Click to load settings to Video Matrix Control section.
To save a setting of Video Matrix to Preset 1:
1. Complete the input and output routing in Video Matrix Control section.
2. Click “Save” in “Preset 1”. Then the “Preset 1” is saved successfully.
General Setting
Source Naming
This section allows you to change to new input ports’ names.
•Save: Click to save and apply all changes.
•Reset: Click to reset all changes.
Note:
The length of each new name shall not exceed 15 characters.
Zone Naming
This section allows you to change to new output ports’ names.
•Save: Click to save and apply all changes.
•Reset: Click to reset all changes.
Note:
The length of each new name shall not exceed 15 characters.

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VM-4K-2X2
4K/60 2X2 Seamless Video Wall Processor
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Advanced Setting
Lower Power Mode
This section provides setting of Lower Power Mode. In Low Power Mode, the device will shut down all video outputs and enter standby
status.
•ON: Select to turn on Lower Power Mode to make the device enter standby status.
Note: When on is selected, the web UI page will log out, you need to re-login to enter the main page.
•OFF: Select to turn off Lower Power Mode to make the device work properly.
Default setting: OFF
EDID Preset
This section allows you to configure EDID setting for each input port. Available EDID options are provided from the dropdown menu, click to
select a desire option.
•Copy From Output 1
•Copy From Output 2
•Copy From Output 3
•Copy From Output 4
•4K60 2.0CH PCM Audio with HDR
•4K60 2.0CH PCM Audio with SDR (Default)
•4K30 2.0CH PCM Audio with HDR
•4K30 2.0CH PCM Audio with SDR
•1080p@60Hz 2.0CH PCM Audio with HDR
•1080p@60Hz 2.0CH PCM Audio with SDR
•EDID Write

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4K/60 2X2 Seamless Video Wall Processor
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EDID Read
Click Enter to enter EDID Setting page, select the desired HDMI output and click to “Read” its EDID information.
•Read: Click to read the selected output port’s EDID information.
•Write: Click to write EDID information to the selected input port.
•Export: Click to export EDID file to your local computer.
•Import: Click to import EDID file from your local computer.