AVGear UHD4K-44 V3 User manual

UHD4K-44 V3
Features
▪4x4 HDMI 2.0 Matrix Switcher.
▪Supports 4K/60 4:4:4, HDR,
HDCP2.3 compliant.
▪Audio Matrix, audio out can de-
embedded from any input or output.
▪Individual volume adjustment on
each L+R output.
▪Supports 4K to 1080p down-scaling
on outputs 3 & 4.
▪HDMI out provides 2.5W to power
Active Optical Cables (AoC).
▪HDMI Output supports up to
5V500mA for AoC cables
▪Controllable by front panel, IR,
RS232 and TCP/IP.
This product is a professional 4x4 HDMI 2.0 Matrix
Switcher with built in Audio Matrix. It includes 4 HDMI
inputs, 4 HDMI outputs and the last two outputs feature
down-scaling, which is designed for switching two
HDMI2.0 and HDCP2.3 compliant signals. It also
features 4 SPDIF and 4 analog audio outputs for the
audio matrix. The matrix switcher features
comprehensive EDID management and advanced HDCP
handling to ensure maximum functionality with a wide
range of video sources.

UHD4K-44 V3
PLEASE READ THIS PRODUCT MANUAL CAREFULLY
BEFORE USING THIS PRODUCT.
This manual is only for operational instruction only,
and not to be used for maintenance. The functions
described in this version are current as at December,
2019. Any changes of functions and operational
parameters will be updated in future manual versions.
Please refer to your dealer for the latest product
details.
Version 1.0 9/12/19

UHD4K-44 V3
SAFETY OPERATION GUIDE
To guarantee the reliable operation of the equipment and safety of the user,
please abide by the following procedures in installation, use and maintenance:
1. The system must be earthed properly. Please do not use two blade plugs
and ensure the alternating power supply ranges from 100v to 240v and from
50Hz to 60Hz.
2. Do not install the product in an environment where it will be exposed to
extreme hot or cold temperatures.
3. This unit will generate heat during operation, please ensure that you allow
adequate ventilation to ensure reliable operation.
4. Please disconnect the unit from mains power if it will be left unused for a
long time.
5. Please DO NOT try to open the casing of the equipment, DO NOT attempt to
repair the unit. Opening the unit will void the warranty. There are high
voltage components in the unit and attempting to repair the unit could result
in serious injury.
6. Do not allow the unit to come into contact with any liquid as that could result
in personal injury and product failure.

UHD4K-44 V3
TABLE OF CONTENTS
Introduction ..............................................................................................................1
Product Introduction............................................................................................. 1.1
Features .............................................................................................................. 1.2
What’s in the Box.................................................................................................1.3
Panel Description.....................................................................................................2
Front Panel .......................................................................................................... 2.1
Rear Panel...........................................................................................................2.2
System Connection..................................................................................................3
Usage Precautions ..............................................................................................3.1
System Diagram ..................................................................................................3.2
Panel Control............................................................................................................4
I/O Connection Switching ....................................................................................4.1
I/O Connection Enquiry........................................................................................ 4.2
LOCK Function ....................................................................................................4.3
PRESET RECALL Function.................................................................................4.4
CLEAR Button .....................................................................................................4.5
IR Remote Control....................................................................................................5
GUI Control ...............................................................................................................6
Switching Tab ......................................................................................................6.1
Audio Tab ............................................................................................................6.2
Configuration Tab ................................................................................................6.3
CEC Tab..............................................................................................................6.4
RS232 Tab ..........................................................................................................6.5
Interface Tab .......................................................................................................6.6
Network Tab ........................................................................................................ 6.7
Access Tab..........................................................................................................6.8
GUI Upgrade .......................................................................................................6.9
RS232 Control ..........................................................................................................7
RS232 Control Software ......................................................................................7.1
RS232 Control Commands..................................................................................7.2
System Control.............................................................................................. 7.2.1
Control Management..................................................................................... 7.2.2
Query Commands ......................................................................................... 7.2.3
Lock/unlock Commands................................................................................7.2.4
Audio Commands.......................................................................................... 7.2.5
HDCP Compliance ........................................................................................ 7.2.6
EDID Management........................................................................................ 7.2.7
CEC Control.................................................................................................. 7.2.8
Firmware Upgrade....................................................................................................8
Specifications...........................................................................................................9
Troubleshooting & Maintenance...........................................................................10

UHD4K-44 V3
1. Introduction
1.1. Product Introduction
The UHD4K-44 V3 is a professional 4x4 HDMI 2.0 Matrix Switcher with Audio Matrix.
It includes 4 HDMI inputs, 4 HDMI outputs and the last two outputs feature a video
down-scaling function, which is designed for switching two HDMI2.0 and HDCP2.3
compliant signals. It also features 4 SPDIF and 4 analog audio outputs for the audio
matrix.
The matrix switcher features comprehensive EDID management and advanced
HDCP handling to ensure maximum functionality with a wide range of video sources.
The matrix switcher not only supports bi-directional IR, RS232 extension but also
has IR, RS232, and TCP/IP control options.
1.2. Features
▪4x4 HDMI 2.0 Matrix Switcher.
▪Supports 4K/60 4:4:4, supports HDR, HDCP2.3 compliant.
▪Audio Matrix, audio out can de-embedded from any input or output.
▪Individual volume adjustment on each L+R output.
▪Supports 4K to 1080p down-scaling on up to 2 outputs.
▪HDMI out provides 2.5W to power an Active Optical Cable (AoC).
▪HDMI Output supports up to 5V500mA for an AoC cable
▪Controllable by front panel, IR, RS232 and TCP/IP.

UHD4K-44 V3
1.3. What’s in the Box
▪1x UHD4K-44 V3
▪2x Mounting Ears with 6 Screws
▪4x Plastic Cushions
▪1x IR Remote
▪1x IR Receiver
▪1x RS232 Cable (3-pin to DB9)
▪1x Power Adaptor (24V DC 1.25A)
▪1x User Manual
Note: Please contact your distributor immediately if any damage or defect in the
components is found.

UHD4K-44 V3
2. Panel Description
2.1. Front Panel
No.
Name
Description
①
Power Indicator
⚫Illuminates green when device is powered on;
⚫Turns red in standby mode.
②
IR sensor
Built-in IR sensor, receives IR signal sent from IR
remote.
③
INPUT selector button
OUTPUT selector
button
⚫Total 4 input selector buttons, press one of
buttons to switch input source.
⚫Total 4 output selector buttons, press the
buttons to select output channel.
④
ENTER button
Confirm operation.
LOCK button
Press this button for 3 seconds to lock/unlock all
front buttons.
ALL button
Select all outputs to convert an input to all outputs:
→Press INPUTS 1 + ALL + ENTER
CLEAR button
Withdraw button.
⑤
PRESET RECALL
HOLD TO STORE
⚫Press and hold the button 1~4 to save the
current switching status to the corresponding
preset 1~4.
⚫Press the button 1~4 to recall the saved preset
1~4.
UHD4K-44 V3
234
21 3 4
ENTER
ALL CLEAR
PRESET RECALL
HOLD TO STORE
1 2
3 4
2
1345

UHD4K-44 V3
2.2. Rear Panel
No.
Name
Description
①
INPUTS
HDMI input ports, 4 in total, connects with HDMI
sources.
②
OUTPUTS
4 in total, connects with HDMI displays. The last two
HDMI ports have a down-scaling function.
③
AUDIO MATRIX
OUTPUTS
SPDIF: audio output ports for de-embedded HDMI
audio, 4 in total.
L&R (RCA): audio output ports for de-embedded HDMI
audio, 4 pairs in total.
④
IR REC
Connects with an external IR receiver for using an IR
remote to control the Matrix Switcher.
RS232
3-pin terminal block to connect the RS232 control device
(e.g. PC) or a device to be controlled by RS232
commands.
FIREWARE
USB-A port for updating firmware.
TCP/IP
RJ45 port to connect the control device (e.g. PC) to
control the matrix by GUI.
⑤
DC 24V
Connect with the supplied 24VDC 1.25A power adaptor.
IR REC
12345

UHD4K-44 V3
3. System Connection
3.1. Usage Precautions
▪Make sure all components and accessories are included before installation.
▪System should be installed in a clean environment with controlled temperature
and humidity.
▪All of the power switches, plugs, sockets, and power cords should be insulated
and safe.
▪All devices should be connected before power on.
3.2. System Diagram
IR REC
HDMI:
IR Control:
RS232:
Ethernet:
Audio:
Laptop
Blue-Ray
Game Console
4K TV
4K
TV
Down-Scaling
Laptop
Soundbar Amplifier Central Control System
IR
Receiver
Router Laptop
Remote

UHD4K-44 V3
4. Panel Control
4.1. I/O Connection Switching
The front panel features four input selection buttons and four output selection
buttons for switching I/O connection.
1) To convert 1 input to 1 output:
Example: Input 1 to Output 3
→ Press INPUTS 1 + OUTPUTS 3 + ENTER button.
2) To convert 1 input to 2~3 outputs:
Example: Input 1 to Output 2, Output 3, Output 4.
→ Press INPUTS 1 + OUTPUTS 2, Output 3, Output 4 +ENTER button.
3) To convert 1 input to 4 outputs:
Example: Convert Input 2 to all outputs
→ Press INPUTS 2 +ALL button +ENTER button.
Note: Indicators of the pressed buttons will blink blue for three times if the
conversion is done, then it will be off. If the conversion failed, they will be off
immediately.
4.2. I/O Connection Enquiry
Press OUTPUTS button 1, 2, 3 or 4 to inquiry its corresponding input, and then the
indicator of the input button will turn blue.
4.3. LOCK Function
Press and hold the LOCK button for three seconds, all buttons on the front panel will
be disabled. And then press and hold the LOCK button for three seconds again or
unlock via GUI control, the front panel buttons will unlock.
4.4. PRESET RECALL Function
Press and hold the PRESET 1~4 at least three seconds to save the current switching
status to the corresponding preset 1~4.

UHD4K-44 V3
Press the PRESET 1~4 to recall the saved preset 1~4.
Note: The matrix switcher supports six presets, but only preset 1~4 can be saved
and recalled by button control. Please manage other preset by GUI control or RS232
control.
4.5. CLEAR Button
Please press the CLEAR button if want to withdraw an operation before the ENTER
button comes into effect, meanwhile, the matrix will return to the previous status.

UHD4K-44 V3
5. IR Remote Control
The Matrix Switcher features one built-in IR receiver to receive IR signal from IR
remote to enable IR control. If the external IR receiver or other IR control device
need to be used, the IR REC port on rear panel can be connected.
①Standby Button: Press it to enter/ exit standby mode.
②INPUTS:
Input channel selection buttons, same with the
corresponding front panel buttons
③OUTPUTS:
Output channel selection buttons, same with the
corresponding front panel buttons.
④Menu Buttons:
⚫ALL: Select all inputs/outputs.
To convert an input to all outputs:
Example: Input 1 to all Outputs:
→ Press INPUTS 1 + ALL + ENTER
⚫EDID management button:
1) One input port follows the EDID data from one output
port.
Example: Input 2 learns EDID data from output 4:
→ Press EDID + INPUTS 2 + OUTPUTS 4+ ENTER
2) All input ports learn EDID data from one output port.
Example: All input ports learn EDID data from output 3:
→ Press EDID + ALL + OUTPUTS 3 + ENTER
⚫CLEAR: Cancel button.
⚫ENTER: Confirm operation.
INPUTS
OUTPUTS
MENU
1 2
34
1 2
34
ALL EDID
CLEAR ENTER
1
2
3
4

UHD4K-44 V3
6. GUI Control
The matrix can be controlled via TCP/IP. The default IP settings are:
IP Address:
192.168.0.178
Subnet Mask:
255.255.255.0
Gateway:
192.168.0.1
Type 192.168.0.178 in the internet browser, it will enter the below log-in webpage:
Username: admin
Password: admin
Type the user name and password, and then click Login to enter the section for
video switching.

UHD4K-44 V3
6.1. Switching Tab
Use the 4x4 button grid on the page to set which inputs are directed to which
outputs. For example, clicking the button on the Input 1 row and Output 1 column,
directs input 1 to output 1.
Use the 6 numbered buttons under scene area to save and load layout presets.
•To save a given layout, first click one of the
numbered buttons, then click the Save button.
•To load a previously saved layout, first click one of
the numbered buttons, then click the Recall
button.

UHD4K-44 V3
6.2. Audio Tab
1) Audio Setting
•There are eight audio sources can be selected for four digital SPDIF output
ports.
Audio Output Ports
Audio Sources
Input Breakout
Output Breakout
SPDIF 1 & Analog 1
Audio on Input 1
Audio on Input 2
Audio on Input 3
Audio on Input 4
Audio on Output 1
Audio on Output 2
Audio on Output 3
Audio on Output 4
SPDIF 2 & Analog 2
SPDIF 3 & Analog 3
SPDIF 4 & Analog 4

UHD4K-44 V3
2) Audio Volume
•Four pairs analog L/R audio to control their outputs volume.
6.3. Configuration Tab
6.3.1 EDID Copy
⚫Copy the EDID of the selected output device to one or more input source.

UHD4K-44 V3
6.3.2 EDID Setting
⚫Select the compatible built-in EDID for the selected input source.
⚫Upload user-defined EDID by the below steps:
1) Prepare the EDID file (.bin) on the control PC.
2) Select the User-defined.
3) Click the box , and then select the EDID file (.bin) according the tooltip.
4) Click Apply to upload the user-defined EDID, and then click Confirm to save
setting.

UHD4K-44 V3
6.4. CEC Tab
If the input source devices, output display devices support CEC, they can be
controlled via the following CEC interface.
1) Input Source Device Control
⚫Select one input source device to be controlled, and then press function
buttons.
Note: It cannot control two or more input source devices simultaneously.
2) Output Display Device Control
⚫Select one output device to be controlled, and then press function buttons.
Note: It can not control two or more output devices simultaneously.

UHD4K-44 V3
6.5. RS232 Tab
⚫ASCII or HEX command format can be selected.
⚫Baud Rate: Supports 2400, 4800, 9600, 19200, 38400, 57600 or 115200.
⚫Command Ending: NULL, CR, LF or CR+LF can be chosen.
⚫Command: Type the command in this box to control the third-party device
which is connected to the RS232 port of the switcher.
6.6. Interface Tab
⚫Modify the title bar label and the button labels.

UHD4K-44 V3
6.7. Network Tab
⚫Static IP or Dynamic Host Configuration Protocol (DHCP).
⚫Modify the static IP Address, Subnet Mask, and Gateway.
6.8. Access Tab
⚫Modify the login password.
⚫Lock or unlock the front panel buttons.