AV-ACCESS 4KMX44-H2 4×4 Matrix with Audio Outputs User Manual

June 12, 2024
AV Access

AV ACCESS logo 4×4 Matrix with Audio Outputs
4KMX44-H2 AV ACCESS 4KMX44 H2 4x4 Matrix with Audio
OutputsUser Manual

Introduction

Overview
4KMX44-H2 is a 4×4 compact HDMI matrix switcher, specially designed for cost conscious projects and buyers. It features not only basic functions like cross-point switching and control (IR, RS232, IP), but also advanced functions like auto-downscaling for  each HDMI output when it is connected to 1080P display. There’re S/PDIF audio breakout for each HDMI output, to provide more audio feeds to multi-zone audio system.

Features

  • All HDMI inputs and outputs support HDMI with HDR formats, including HDR 10, HLG, DOLBY VISION up to 4K@60 444.
  • HDCP2.2 compliant.
  • With built-in 4K-1080P downscaler for each HDMI Output, the matrix can downscale 4K@60Hz 4: 4: 4 to 1080P@60 4: 4: 4. 4K downscaler can work automatically when the matrix is connected to 1080P display and can be set to ON/OFF by API commands.
  • Each HDMI output has a S/PDIF audio breakout, and supports formats up to 5CH HBR or 2CH PCM audio.
  • Supports smart EDID, each input can be assigned to smart EDID mode.
  • Supports EDID presets, EDID copy and EDID write.
  • Supports audio mute, four S/PDIF outputs can be muted separately by API commands.
  • Supports upgrading firmware via both micro-USB and web UI (for MCU and web module).
  • Rich control options, including RS232 control, IR, IP Control and front panel buttons control.

Package Contents
Before you start the installation of the product, please check the package contents:

  • Matrix x 1
  • Power Adapter (DC 12V 2A) x 1
  • IR Remote x 1
  • IR Receiver x 1
  • Phoenix Male Connector (3.5mm, 3-Pin) x 1
  • Mounting Brackets (with Screws) x 2
  • User Manual x 1

Panel

Front PanelAV ACCESS 4KMX44 H2 4x4 Matrix with Audio Outputs - Front
Panel

No. Name Description
1 IR Window Receive IR signals.
2 Input LED (1-4) On: The current HDMI input is selected.

Off: The current HDMI input is not selected.
3| Output Selection Button (1-4)| Click to select input source for Output (1-4) separately.

Rear PanelAV ACCESS 4KMX44 H2 4x4 Matrix with Audio Outputs - Rear
Panel

No. Name Description
1 DC 12V Connect to the DC 12V power adapter provided.
2 HDMI In 1-4 Connect to HDMI sources such as Blu-ray Player.
3 HDMI Out 1-4 Connect to HDMI displays.
4 FW For firmware upgrade.
5 RS232 Connect to a control PC or control system for RS232 serial control.
6 IP Control Connect to local area network or a control system for telnet or

Web UI control.
7| IR Ext.| Connect to the IR receiver cable provided.
8| S/PDIF Out 1-4| Connect to audio devices such as AV system for digital de- embedded audio output from HDMI Out 1-4.

Installation and Application

Bracket Installation
Note: Before installation, please ensure the device is disconnected from the power source.AV ACCESS 4KMX44 H2 4x4 Matrix with Audio Outputs -
enclosure

  1. Attach the installation bracket to the enclosure using the screws that were provided in the package separately.
  2. Attach the brackets to the surface you want to hold the unit against using the screws (provided by others).

ApplicationAV ACCESS 4KMX44 H2 4x4 Matrix with Audio Outputs -
Application

IR Remote Control

You can switch among multiple inputs for each output display by pointing the matrix IR remote directly at the IR window on the front panel or the IR receiver connected to the rear panel.
Steps for IR Remote Operation:

  1. Point the matrix IR Remote directly at the IR window on front panel or at the IR receiver connected to the rear panel. As shown in the following picture:
    AV ACCESS 4KMX44 H2 4x4 Matrix with Audio Outputs -
matrix

  2. Locate the target output you want to switch inputs for on the remote, numbered 1-4 vertically along the right side.

  3. Press the desired input number to select the corresponding input source for your target output.

  4. To cycle through multiple inputs for your target output, press the previous ( ) or next ( ) button.

Virtual IR Code Supported by Default (Matrix Switching Code) :

Code IN1 IN2 IN 3 IN 4
OUT 1 0X80 0X81 0X82 0X83
OUT 2 0X90 0X91 0X92 0X93
OUT 3 0XA0 0XA1 0XA2 0XA3
OUT 4 0XB0 0XB1 0XB2 0XB3

RS232 Control

Advanced users may need to control the matrix through RS232 serial communication. Connect a control PC or control system to the RS232 port of the matrix. API command for RS232 control is available in the separate document “API Command Set_4KMX44- H2”. A professional RS232 serial interface software (e.g., Serial Assist) may be needed as well.

Before executing the API command through RS232 serial connection, please ensure RS232 interface of the device and the control PC are configured correctly.

Parameters Value
Baud Rate 115200 bps
Data Bits 8 bits
Parity None
Stop Bits 1 bit
Flow Control None

Web UI Control

The Web UI designed for the matrix is available for switching control, general and advanced settings. The Web UI is accessible through a browser with latest version, e.g., Chrome, Firefox, Safari, Opera, IE10+, etc.
Access the Web Interface

  1. Connect the IP Control port of the matrix to the Ethernet switch, and connect your PC to the same network.
    Note: The IP mode of the matrix is DHCP, please ensure the Ethernet switch is connected to a DHCP server.

  2. Use the tool such as SmartSetGUI to search the IP address of the device or send API command to get IP address (See the separate document “API Command Set_4KMX44-H2”).

  3. Input the IP address in your browser and press Enter to enter the login page.

  4. Enter the username and password in the following login page, then click “Login”. The default username and password are both “admin”.
    AV ACCESS 4KMX44 H2 4x4 Matrix with Audio Outputs - login
page

Web Interface Introduction
The main screen includes General and Advanced Setting.
General
The General Page includes: Switch, EDID, EDID Read, CEC, Audio Mute, HDCP, Preset.

  1. Switch
    AV ACCESS 4KMX44 H2 4x4 Matrix with Audio Outputs - Web UI
Control The Switch section manages distribution of input sources to output displays.
    By default, Input 1 corresponds to Output 1, Input 2 corresponds to Output 2, Input (n) corresponds to Output (n), n = 1, 2, 3, 4.
    Click the button in the table to select the input for the output display (button turns from white to green once selection is done).
    ALL: Click to switch INPUT (n) for all OUTPUTs.

  2. EDID
    AV ACCESS 4KMX44 H2 4x4 Matrix with Audio Outputs -
EDID This section allows you to configure EDID settings of each input port.
    Select the item from the drop-down menu, then click “Apply” to take effect.
    Note: If EDID copy fails, the input EDID will be 4K@30Hz 2.0ch audio.
    By default, input EDID is set as 4K@60Hz 5.1ch audio With HDR.

  3. EDID Read
    AV ACCESS 4KMX44 H2 4x4 Matrix with Audio Outputs -
Read Click “Enter” to open the EDID Setting page.AV ACCESS 4KMX44 H2 4x4 Matrix with Audio Outputs - Setting
page Select Port: Click from the drop-down menu to choose an output/input port (1-4) for EDID setting.
     Read: Click to read the EDID of the output port you choose.
     Write: Click to write the read EDID of the output port or the uploaded EDID to the selected Input. You can choose an input port in “Select Port” to write.
     Save: Click to save the read EDID of the output as a bin file to a desired location.
     Open: Click to upload an EDID file from your local PC. Then you can choose an input port in “Select Port” and click “Write” to write the uploaded EDID information to the selected input.

  4. CEC
    AV ACCESS 4KMX44 H2 4x4 Matrix with Audio Outputs -
CEC  Output Port: Select one Output (1-4) port or all from the drop-down menu to control.
     Note: When Output port is set to “all”, the Auto CEC and Delay Time (min) settings are disabled.
     Manual (ON/OFF): Click “ON/OFF” button to power on/off the CEC-enabled display immediately.
     Auto CEC: Click “ON/OFF” button to set Auto CEC control enable/disable.
     The default setting is “ON”.
     Delay Time (min): Click the up/down arrow to set the time for the display to power off automatically when no signal is present. Then click “Apply” to take effect. For example, if Auto control is set as on and the time is set to 2 minutes, click “Apply”, the  output display will power off automatically when there’s no signal at the display for 2 minutes.

  5. Audio Mute
    AV ACCESS 4KMX44 H2 4x4 Matrix with Audio Outputs - Audio
Mute  ON/OFF: This section allows you to set Audio output (1-4) mute to ON/OFF. The default setting is OFF.
    Note: The S/PDIF Out 1-4 is following the audio output of HDMI Out.

  6. HDCP
    AV ACCESS 4KMX44 H2 4x4 Matrix with Audio Outputs -
HDCP HDCP Support allows you to enable or disable HDCP compatibility of eachinput. By default, HDCP Support is switched ON at each input and contentprotected by HDCP standard will be received.

  7. Preset
    AV ACCESS 4KMX44 H2 4x4 Matrix with Audio Outputs -
Preset The Preset section saves or loads the Switch settings to or from the matrix.

Advanced
The Advanced page includes: Network, Login Password, Custom Web UI Logo, WEB Firmware Upgrade, ARM Firmware Upgrade, MCU Firmware Upgrade, System, Firmware Version.

  1. Network
    AV ACCESS 4KMX44 H2 4x4 Matrix with Audio Outputs -
Network Network is used to toggle between the dynamic and static IP addressing.
     DHCP: When enabled, the IP address of the Matrix is assigned automatically by the DHCP server connected.
     Static: When enabled, set up the IP address manually.
     Apply: Click to enable the network setting.
    The default setting is DHCP.
    Note:
     When “Static” is selected, please ensure your PC is in the same network segment as the Matrix, i.e., the IP address of your PC should be set as 192.168.x.x (x is suggested among 2 to 253).
     Please wait for about 30s for the Matrix’s LAN module to reboot and reconnect after the network setting is changed.

  2. Login Password
    AV ACCESS 4KMX44 H2 4x4 Matrix with Audio Outputs - Login
Password This section allows you to change login password. The default password is “admin”.
     Apply: Click to save the changes.
    Note: The new password must be 4 to 16 characters in length (alphanumeric only).

  3. Custom Web UI Logo
    Custom Web UI Logo allows you to create your own logo for the Web UI you are using.
    AV ACCESS 4KMX44 H2 4x4 Matrix with Audio Outputs - Custom
WebTo create customized Web UI logo:

  1. Click “Browse” button to upload a LOGO file.
  2. Click “Apply”, When the operation is successful, the new logo will appear on the upper left corner of the screen and the login page.
  1. WEB Firmware Upgrade
    AV ACCESS 4KMX44 H2 4x4 Matrix with Audio Outputs -
Firmware 1) Click “Browse” for the update file.
  1. Click “Update” to start the Web UI upgrade.
  2. The matrix LAN Module will update and reboot automatically when Web UI is completed. Please wait for about 30s and then refresh and log in again.
    Note: DO NOT disconnect the matrix during update process.
  1. ARM Firmware Upgrade
    AV ACCESS 4KMX44 H2 4x4 Matrix with Audio Outputs - ARM
Firmware 1) Click “Browse” for the update bin file.
  1. Click “Upgrade” to start the ARM Firmware upgrade.
  2. The matrix will upgrade and reboot automatically when upgrading ARM is completed. Please wait for about 30s and then refresh and log in again.
    Note: DO NOT power off the device when upgrading.
  1. MCU Firmware UpgradeAV ACCESS 4KMX44 H2 4x4 Matrix with Audio Outputs - MCU Firmware Upgrade 1) Click “Browse” for the update bin file.
  1. Click “Upgrade” to start the MCU Firmware upgrade.
  2. The matrix will upgrade and reboot automatically when upgrading
    MCU is completed. Please wait for about 30s and then refresh and log in again.
    Note: DO NOT power off the device when upgrading.
  1. System
    This section allows you to reset the device to factory default settings or reboot the device.
    To reset the device to factory default settings:
    Click the “Factory Default” icon, the following window will be popped up, click “Ok” to reset the device to factory default.AV ACCESS 4KMX44 H2 4x4
Matrix with Audio Outputs - factory default Note: Please wait about 30 seconds to re-access Web UI by refreshing the browser.
    To reboot the device:
    Click the “Reboot” icon, the following window will be popped up, click “Ok” to reboot the device.
    AV ACCESS 4KMX44 H2 4x4 Matrix with Audio Outputs -
“Reboot” Note: Please wait about 30 seconds to re-access Web UI by refreshing the browser.

  2. Firmware Version
    AV ACCESS 4KMX44 H2 4x4 Matrix with Audio Outputs - Firmware
Version This section allows you to obtain information of the current firmware in use.

Specifications

Technical

Input/Output Port| 4 x HDMI In, 4 x HDMI Out, 1 x RS232, 1 x IP Control (RJ45), 4 x S/PDIF Out (Digital), 1 x FW (Micro USB), 1 x DC 12V IN
Input/Output Signal Type| HDMI with 4K@60Hz 4:4:4, HDR 10, HLG & Dolby Vision, HDCP 2.2
Note: Dolby vision is not supported in downscaler mode.
|
Input/Output Resolution Supported| VESA:
800×6008, 1024×7688, 1280×7688, 1280×8008, 1280×9608, 1280×10248,1360×7688, 1366×7688, 1440×9008, 1600×9008, 1600×12008, 1680×10508,1920×12008
SMPTE: 720x576P6, 1280x720P6,7,8,  1920x1080P2,5,6,7,8, 3840×21602,3,5,6,8, 4096×21602,3,5,6,8 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
S/PDIF OUT : Supports 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, IP (Telnet &Web UI)
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 2A
Power Consumption (Max)| 10.8W
Device Dimension (W x H x D)| 215mm x 42mm x 120.2mm/8.46” x 1.65” x 4.73” (Without mounting brackets)”
Product Weight| 0.54kg/1.19lb

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

Warranty

Products are backed by a limited 1-year parts and labor warranty. For the following cases AV Access Technology Limited shall charge for the service(s) claimed for the product if the product is still remediable and the warranty card becomes unenforceable or  inapplicable.

  1. The original serial number (specified by AV Access Technology Limited) labeled on the product has been removed, erased, replaced, defaced or is illegible.
  2. The warranty has expired.
  3. The defects are caused by the fact that the product is repaired, dismantled or altered by anyone that is not from an AV Access Technology Limited authorized service partner. The defects are caused by the fact that the product is used or handled improperly, roughly or not as instructed in the applicable User Guide.
  4. The defects are caused by any force majeure including but not limited to accidents, fire, earthquake, lightning, tsunami and war.
  5. The service, configuration and gifts promised by salesman only but not covered by normal contract.
  6. AV Access Technology Limited preserves the right for interpretation of these cases above and to make changes to them at any time without notice.

Thank you for choosing products from AV Access.
If you have any question, please contact us via the following emails:
General Enquiry: info@avaccess.com 
Customer/Technical Support: support@avaccess.com

AV ACCESS logowww.avaccess.com
info@avaccess.com

References

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