Prestel VWC-HC14 Video Wall Controller 4K Video User Manual
- May 15, 2024
- Prestel
Table of Contents
- Prestel VWC-HC14 Video Wall Controller 4K Video
- Product Usage Instructions
- Introduction
- Features
- Package Contents
- Specifications
- Operation Controls and Functions
- IR Remote
- IR Cable Pin Assignment
- Video Wall
- RS-232 Control Command
- Application Example
- Read User Manual Online (PDF format)
- Download This Manual (PDF format)
Prestel VWC-HC14 Video Wall Controller 4K Video
Specifications
- Technical:
- HDMI Compliance: HDMI 2.0b
- HDCP Compliance: HDCP 2.2
- Video Bandwidth: 18Gbps
- Video Resolution:
- Input: up to 4K@60Hz 4:4:4
- Output: 720P60Hz, 1080P60Hz, 4K30Hz, 1024x768P60Hz
- Color Space: RGB, YCbCr_4:4:4, YCbCr_4:2:2, YCbCr_4:2:0
- Color Depth: 8/10/12 bit
- IR Level: 5Vp-p
- IR Frequency: 38KHz
- Audio Formats:
- HDMI IN/OUT: LPCM 2.0/5.1/7.1, Dolby Digital/Plus/EX, DTS, DTS-EX, DTS-96/24
- L/R OUT: PCM 2.0 SPDIF(OPTICAL): Dolby Digital/plus, DTS 5.1, PCM 2.0
- Audio Latency: No Latency
- Video Latency: No Latency
- ESD Protection
- Mechanical:
- Housing: Metal Enclosure
- Color: Black
- Dimensions
- Weight: 590g
- Power Supply:
- Input: AC 100-240V 50/60Hz, Output: DC 12V/1A (US/EU standard, CE/FCC/UL certified)
- Power Consumption: 5.5W (Max)
- Relative Humidity: 20 – 90% RH (no-condensing)
- Video Resolution:
- 4K60, 4K24, 1080P60
- HDMI Cable Length (HDMI IN / OUT):
- 8m/26ft, 10m/32ft, 15m/49ft
- The use of Premium High Speed HDMI cable is highly recommended.
Product Usage Instructions
Introduction
This Prestel VWC-HC14 Video Wall Controller is designed to provide high-
quality video wall splicing capabilities with various input and output
options.
Features
This product offers HDMI 2.0 and DP1.2a compliance, supporting up to
4K@60Hz resolution with multiple audio formats and video wall splicing modes.
Package Contents
- Video Wall Controller
- Power Supply
- User Manual
- HDMI Cable
- USB-C Cable
Specifications
Please refer to the detailed specifications provided above for technical
information about the product.
Operation Controls and Functions
Front Panel
The front panel includes buttons for power control, input selection,
splicing mode switching, and resolution adjustment. The LED indicators provide
visual feedback on the selected options.
Rear Panel
The rear panel features various input and output ports for HDMI, USB-C,
optical audio, and control connections.
FAQ
- Q: What type of HDMI cable is recommended for use with this product?
A: It is highly recommended to use Premium High Speed HDMI cables for optimal performance.
Thank you for purchasing this product
For optimum performance and safety, please read these instructions carefully
before connecting, operating or adjusting this product. Please keep this
manual for future reference.
Surge protection device recommended
This product contains sensitive electrical components that may be damaged by
electrical spikes, surges, electric shock, lighting strikes, etc. Use of surge
protection systems is highly recommended in order to protect and extend the
life of your equipment.
Introduction
The 18Gbps 1×4 Video Wall Controller is designed to realize truely capturing,
AD converting, routing, and distributing all-format signal to the video wall
(LCD displays), while maintaining a true digital signal transmission. It
features HDMI and USB-C input with resolution up to 4K@60 4:4:4, and 4 HDMI
outputs. It supports multiple video wall modes to be set for video output.
Furthermore, optical audio and L/R analog audio de-embedding output are also
supported.
It can be controlled via front panel buttons, IR remote and RS-232 commands.
Features
- HDMI 2.0, HDCP 2.2 and DP1.2a compliant
- Support HDMI input and USB-C input, and the resolution is up to 4K@60Hz 4:4:4
- Support optical audio and L/R analog audio de-embedding output
- Support 8 video wall splicing modes: 1×1, 2×1, 3×1, 4×1, 1×2, 1×3, 1×4, 2×2
- Support image 180° rotation, convenient for ceiling installation
- Support bezel adjustment for the splicing edge
- Advanced EDID management
- Control via front panel buttons, IR remote and RS-232 commands
- Simple plug and play, no drive and installation setting are required
Package Contents
- 1 × 18Gbps 1×4 Video Wall Controller
- 1 × 12V/1A Locking Power Supply
- 1 × Power Adapter
- 1 × IR Remote
- 1 × 5V IR Receiver Cable (1.5m)
- 1 × 3pin-3.81mm Phoenix Connector (male)
- 4 × Machine Screw (KM3*4)
- 2 × Mounting Ear
- 1 × User Manual
Specifications
Technical
HDMI Compliance| HDMI 2.0b
HDCP Compliance| HDCP 2.2
Video Bandwidth| 18Gbps
Video Resolution| Input: up to 4K@60Hz 4:4:4
Output: 720P60Hz, 1080P60Hz, 4K30Hz, 1024x768P60Hz
Color Space| RGB, YCbCr_4:4:4, YCbCr_4:2:2, YCbCr_4:2:0
Color Depth| 8/10/12 bit
IR Level| 5Vp-p
IR Frequency| 38KHz
Audio Formats
| HDMI IN/OUT: LPCM 2.0/5.1/7.1, Dolby Digital/Plus/EX, DTS, DTS-EX, DTS-96/24
L/R OUT: PCM 2.0
SPDIF(OPTICAL): Dolby Digital/plus, DTS 5.1, PCM 2.0
Audio Latency| No Latency
Video Latency| No Latency
ESD Protection| Human body model — ±8kV (Air-gap discharge) &
±4kV (Contact discharge)
---|---
Connection
Input ports| 1 × HDMI INPUT [Type A, 19-pin female] 1 × USB-C INPUT [Type C,
24-pin female]
Output ports
| 4 × HDMI OUTPUT [Type A, 19-pin female] 1 × OPTICAL AUDIO OUT [S/PDIF]
1 × L/R AUDIO OUT [RCA]
Control ports| 1 × RS-232 [3pin-3.81mm phoenix connector] 1 × IR EXT [3.5mm,
Stereo Mini-jack]
Mechanical
Housing| Metal Enclosure
Color| Black
Dimensions| 220mm [W] × 100mm [D] × 30mm [H]
Weight| 590g
Power Supply| Input: AC 100-240V 50/60Hz, Output: DC 12V/1A
(US/EU standard, CE/FCC/UL certified)
Power Consumption| 5.5W (Max)
Operating Temperature| 32 – 104°F / 0 – 40°C
Storage Temperature| -4 – 140°F / -20 – 60°C
Relative Humidity| 20 – 90% RH (no-condensing)
Video Resolution| 4K60| 4K24| 1080P60
HDMI Cable Length
(HDMI IN / OUT)
| 8m/26ft| 10m/32ft| 15m/49ft
The use of “Premium High Speed HDMI” cable is highly recommended.
Operation Controls and Functions
Front Panel
| NO. | Name | Function Description |
|---|
1
| ****
Power button
| In shutdown/standby status, press this button to power on; in power-on
status, press this button for 2~3 seconds to enter standby status.
2| Power LED| The LED will light in green when the product is working
normally, and red when the product is on standby.
3| HDMI LED| The LED will light in green when HDMI input is selected.
4| USB-C LED| The LED will light in green when USB-C input is selected.
5| AUTO LED| The LED will light in green when auto switching is enabled.
6| IR window| IR signal receiving window.
7| HDMI button| Press this button to select the HDMI input channel.
8| USB-C button| Press this button to select the USB-C input channel.
9| MODE button| Press this button to switch the 8 splicing modes circularly.
10| RES button| Press this button to switch the resolutions of the four HDMI
outputs circularly.
Rear Panel
| NO. | Name | Function Description |
|---|---|---|
| 1 | HDMI INPUT | HDMI signal input port, connected to an HDMI source device. |
| 2 | USB-C INPUT | USB-C signal input port, connected to a USB-C source device. |
| 3 | OPTICAL AUDIO OUT | Optical audio output port, connected to an audio output |
device such as an audio amplifier.
4| L/R
AUDIO OUT
| Analog audio output port, connected to an audio output device such as a speaker.
5
| VIDEO WALL OUT (HDMI1~4)| ****
HDMI signal output port, connected to TVs.
6
| ****
RS-232
| 3-pin phoenix connector, connected to a PC or control system for serial port upgrade or RS-232 command control.
7
| ****
IR EXT
| IR signal receiving port, connected with 38KHz IR Receiver cable.
If the IR signal receiving window of the unit is blocked or the unit is installed in a closed area out of infrared line of sight, the IR receiver cable can be inserted to the “IR EXT” port to receive the IR remote signal.
8| DC 12V| Connect to 12V/1A power adapter.
IR Remote
-
Power on or Standby:
Power on the device or set it to standby mode. -
Mute:
Turn off/on the audio output, including HDMI, Optical and L/R audio. -
HDMI:
Press to select HDMI input channel. -
USB-C:
Press to select USB-C input channel. -
AUTO:
Press to disable or enable the input auto switching. -
Rotation 1/2/3/4:
Press to switch rotation angle between 0˚ and 180˚ for the corresponding output channel. -
Resolution 720P/1080P/4K/XGA:
Press to switch the resolution for the 4 output channels at the same time. -
VIDEO WALL MODE:
There are 8 splicing modes: 1×1, 2×1, 3×1, 4×1, 1×2, 1×3, 1×4, 2×2. Press to select the display mode. -
H/V-BEZEL ◄ ►:
Press to adjust the bezels of the splicing images.
IR Cable Pin Assignment
IR Receiver pin’s definition is as below:
Video Wall
Video wall supports 8 splicing modes as below:
- User can set display modes via front panel buttons, IR remote, and RS-232 commands.
Note : In the video wall mode (except mode 1×1), only the screens which are selected to perform video wall splicing will display images and their bezels can be adjusted.
RS-232 Control Command
- The product also supports RS-232 command control. Connect the RS-232 port of the product to a PC with a 3-pin phoenix connector cable and an RS-232 to USB cable. The connection method is as follows.
- Then, open a Serial Command tool on PC to send ASCII command to control the device.
- The ASCII command list is shown as below.
ASCII Command
Serial port protocol. Baud rate: 115200 (Default), Data bits: 8, Stop bits:1,
Check bit: 0
x – Parameter 1, y – Parameter 2, ! – Delimiter
Command Code| Function Description|
Example
|
Feedback
| Default Setting
System Setting
help!| List all commands| help!| |
r status!
|
Get device current status
|
r status!
| get the unit all status:
power, video wall mode, output resolution…
|
r type!
|
Get device model
|
r type!
| 1×4 video wall controller|
Command Code| Function Description|
Example
|
Feedback
|
Default Setting
---|---|---|---|---
System Setting
r fw version!
|
Get firmware version
|
r fw version!
| mcu fw version : x.xx.xx|
s power z!
|
Power on/off the
device, z=0~1
(z=0 power off, z=1
power on)
|
s power 1!
| power on system initializing… initialization finished!
mcu fw version
x.xx.xx
|
r power!
| Get current power state|
r power!
| power on /power
off
|
s reboot!
|
Reboot the device
|
s reboot!
| reboot…
1×4 video wall controller system initializing… initialization finished!
mcu fw version :
x.xx.xx
|
s reset!
|
Reset to factory defaults
|
1×4 video wall controller
|
reset to factory defaults
1×4 video wall controller system initializing… initialization finished!
mcu fw version : x.xx.xx
| 1. HDMI in;
2. EDID: 4K60
4:4:4 2ch;
3. audio mute off; 4.1×1 video wall mode;
5.1080p output; 6.All HDMI out no rotation;
7.H-Bezel=0,
V-Bezel=0;
Command Code| Function Description| Example| Feedback|
Default Setting
---|---|---|---|---
Input Setting
s input x edid z!
| Set input x edid mode (x=0~2, z=1~6)
x=0. all input x=1. input1 x=2. input2
z=1. 4k60, 2.0ch z=2. 4k60, 5.1ch z=3. 4k30, 2.0ch z=4. 4k30, 5.1ch z=5. 1080p, 2.0ch
z=6. 1080p, 5.1ch
|
s input 1
edid 1!
|
input 1 edid: 4k60, 2.0ch
|
4k60,2.0ch
r input x edid!
| Get input x edid mode (x=0~2)
x=0. all input x=1. HDMI in
x=2. USB-C in
|
r input 1 edid!
|
hdmi in edid: 4k60, 2.0ch
|
s output in source x!
| Route input source to output ( x=1~2)
x=1. HDMI in
x=2. USB-C in
|
s output in source 1!
|
output->hdmi in
|
output->HDMI in
r output in source!| Get output y selected input source| r output in source!|
output->hdmi in|
Output Setting
s tw mode x!
| Set tv wall display mode (x=1~8) x=1. 1×1 mode x=2. 2×1 mode x=3. 3×1 mode x=4. 4×1 mode x=5. 1×2 mode x=6. 1×3 mode x=7. 1×4 mode x=8. 2×2 mode|
s tw mode 1!
|
tv wall mode: 1×1
|
tv wall mode: 1×1
r tw mode!| Get tv wall display mode| r tw mode!| tv wall mode: 2×2|
s tw h bezel +!| Set tv wall horizontal bezel| s tw h bezel +!| tv wall
horizontal bezel: (bezel+1)| tv wall horizontal bezel: 0
Command Code| Function Description| Example| Feedback|
Default Setting
---|---|---|---|---
Output Setting
s tw h bezel -!
| Set tv wall horizontal bezel| s tw h bezel -!| tv wall horizontal bezel: (bezel-1)| tv wall horizontal bezel: 0
s tw h bezel x!
| Set tv wall horizontal bezel (x=0~10)| s tw h bezel 0!| tv wall horizontal
bezel: 0| tv wall horizontal bezel: 0
r tw h bezel!| Get tv wall row bezel| r tw h bezel!| tv wall horizontal bezel:
0|
s tw v bezel +!| Set tv wall vertical bezel| s tw v bezel +!| tv wall vertical
bezel: (bezel+1)| tv wall vertical bezel: 0
s tw v bezel -!| Set tv wall vertical bezel| s tw v bezel -!| tv wall vertical
bezel: (bezel-1)| tv wall vertical bezel: 0
s tw v bezel x!| Set tv wall vertical bezel (x=0~10)| s tw v bezel 0!| tv wall
vertical bezel: 0| tv wall vertical bezel: 0
r tw v bezel!| Get tv wall vertical bezel| r tw v bezel!| tv wall vertical
bezel: 0|
s tw res x!
| Set tv wall resolution (x=1~4) 1.1280x720p60,
2. 1920x1080p60,
3. 3840x2160p30,
4. 1024×768@60 (XGA)
|
s tw res 2!
|
tv wall resolution: 1920x1080p60
|
tv wall resolution: 1920x1080p60
r tw res!
|
Get tv wall resolution
|
r tw res!
| tv wall resolution: 1920x1080p60| tv wall resolution: 1920x1080p60
s output y rotate x!
| Set output y mirror (y=1~4, x=0,1)
y=1. output 1
y=2. output 2
y=3. output 3
y=4. output 4
x=0. 0° rotation
x=1. 180° rotation
|
s output 1
rotate 0!
|
output1: 0° rotation
| output1: 0° rotation output2: 0° rotation output3: 0° rotation output4: 0° rotation
r output y rotation!
| Get output y mirror status (y=0~4) y=0. output all y=1. output 1
y=2. output 2
y=3. output 3
y=4. output 4
|
r output 0 rotation!
| output1: 0° rotation output2: 0° rotation output3: 0° rotation output4: 0°
rotation|
Command Code| Function Description| Example| Feedback|
Default Setting
---|---|---|---|---
Output Setting
s output audio mute x!
| Set output audio mute
on/off (x=0~1)
0. mute off
1. mute on
|
s output audio mute 0!
|
output audio
mute: off
|
off
r output audio mute!| Get output audio mute
on/off
| r output audio mute!| output audio
mute: off
|
Application Example
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