Atlona AT-H2H-44M user manual Pdif, Audio Return Channel ARC

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S/PDIF

The S/PDIF port is used for two audio options, ARC or matrix source audio loop-out. When using one, the other is disabled. By default the matrix comes with ARC turned off on all ports, this enables the S/PDIF to loop-out the audio from the matrix source. To switch between ARC and matrix source audio, ARC must be turned on or off. Enable or disable ARC through RS-232 (see page 15) or front panel (see below).

home screen

AT-H2H-44M Select Input Number

--->

--->

Select Function Option

--->Hold for 5 seconds

--->

Select output number (1-4) to set ARC mode

--->

through

--->

Output: # Current: On

Select mode 1: On 2: Off

--->

-------------------------->

--->

--->

Output: # Current: On

Select mode 1: On 2: Off

Output: # Current: Off

Select mode 1: On 2: Off

Audio Return Channel (ARC)

ARC enables a source connected to a display to route audio to an AVR or zone amp.

Steps

1.Check to be sure the display supports ARC

2.Enable ARC on the HDMI output of the matrix through RS-232 (see page 14) or front panel (see steps above)

3.Connect the HDMI Matrix output port to the ARC labeled input port on the display

NOTE: The Matrix must be connected to the display’s HDMI ARC input

4.Connect the source to a non ARC HDMI input port on the display

5.Connect the S/PDIF port to an AVR or Zone Amp

NOTE: The S/PDIF port used must be the same output number as the HDMI port connected to the display

HDMI

Bidirectional HDMI w/ARC signal S/PDIF audio loop-out

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Contents Atlona 4 by 4 Hdmi Matrix Switcher Table of Contents Package Contents FeaturesSpecifications IntroductionPanel Description Front PanelRemote Control Back PanelConnection Diagram Matrix Front Panel Functions ControlMemory # saved Edid Set Up Ex. display Edid View I/O settings Matrix SettingsPdif Audio Return Channel ARCMatrix source audio loop-out Command RS-232Connection RS-232 Set Up Baud RateResetting to factory settings Updating firmwareSafety Information SafeguardsPrecautions Warranty Limited WarrantyAtlona Product Registration
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AT-H2H-44M specifications

The Atlona AT-H2H-44M is a powerful and versatile 4K HDMI matrix switcher designed for professional AV applications, including commercial environments and high-performance home theaters. This matrix switcher allows users to distribute multiple HDMI sources to various displays, providing seamless management of audio and video signals in real-time.

One of the standout features of the AT-H2H-44M is its support for 4K resolution at 60Hz with 4:4:4 chroma subsampling. This ensures crisp, clear visuals that enhance the viewing experience, making it ideal for applications that demand high-quality video, such as digital signage, corporate presentations, and broadcasting. The matrix switcher can handle HDMI signals up to 18 Gbps, accommodating all current and many future HDMI formats.

The AT-H2H-44M excels in flexibility, featuring four HDMI inputs and four HDMI outputs. This configuration allows for multiple source devices—such as Blu-ray players, computers, and streaming devices—to be routed to any of the connected displays. Each output can access any of the inputs, meaning users can switch from one source to another with ease, facilitating dynamic presentations and entertainment setups.

Another key technology incorporated in the AT-H2H-44M is advanced audio support. The matrix switcher allows for the transmission of multi-channel audio formats, which is crucial for ensuring an immersive audio experience when connected to surround sound systems. Additionally, it supports audio extraction, allowing audio signals to be sent to external audio processing equipment without disturbing the video output.

The device also features an intuitive front-panel interface with LED indicators for easy operation and monitoring. For more complex setups, remote control options are available, including RS-232 and TCP/IP, enabling integration with existing automation systems. The AT-H2H-44M is compatible with a wide range of control systems, which enhances its adaptability for various environments.

In summary, the Atlona AT-H2H-44M matrix switcher offers a robust feature set designed for high performance. With its support for 4K resolution, flexible input/output configuration, advanced audio handling, and versatile control options, it stands out as an ideal solution for professionals looking to efficiently distribute HDMI signals across multiple displays. Its reliability and functionality make it a valuable asset in any AV installation.
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