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User Manual
4K HDR Multichannel Digital to Two-Channel Audio
Converter
AT-HDR-M2C
The Atlona AT-HDR-M2C is an audio converter for extracting and downmixing multichannel
PCM, Dolby®, and DTS® audio from HDMI® sources. It features an HDMI input with pass-
through, and delivers stereo downmixed audio over a separate HDMI output, as well as analog
unbalanced and TOSLINK digital audio outputs. The HDR-M2C is compatible with high dynamic
range (HDR) formats and is HDCP 2.2 compliant. It supports 4K/UHD video @ 60 Hz with 4:4:4
chroma sampling, as well as HDMI data rates up to 18 Gbps. This audio converter includes
EDID management features as well as audio volume and bass / treble controls, all available via
Ethernet through the Atlona Management System (AMS), the web GUI, or a control system. The
HDR-M2C can conveniently serve surround sound and two-channel audio systems from a multi-
channel audio source.
Package Contents
1 x AT-HDR-M2C
1 x Phoenix terminal block, 3-pin
1 x Phoenix terminal block, 2-pin
1 x 5V DC power supply
1 x Wall/table mounting brackets
1 x Installation Guide
IMPORTANT: Visit http://www.atlona.com/product/AT-HDR-M2C for the latest firmware
updates and User Manual.
1
Installation Guide
AT-HDR-M2C
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Summary of Contents for Atlona AT-HDR-M2C
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Page 1: Installation Guide
EDID management features as well as audio volume and bass / treble controls, all available via Ethernet through the Atlona Management System (AMS), the web GUI, or a control system. The HDR-M2C can conveniently serve surround sound and two-channel audio systems from a multi- channel audio source. -
Page 2: Panel Descriptions
Installation Guide AT-HDR-M2C Panel Descriptions Audio Indicators These LED indicators will glow green to Connect a mini USB cable to this port to indicate the current audio format of the update the firmware. input signal. HDMI - PCM 2 Connect a 3-pin Phoenix connector from... -
Page 3: Audio Connector
5V DC power supply Black Installation Connect an HDMI cable from the UHD/HD source to the HDMI IN port on the AT-HDR-M2C. Connect HDMI cables to the output ports: • Multichannel audio Connect an HDMI cable from the HDMI OUT port, on the AT-HDR-M2C, to an AV receiver or other multichannel audio device. -
Page 4: Mounting Instructions
Installation Guide AT-HDR-M2C Mounting Instructions The AT-HDR-M2C includes two mounting brackets, which can be used to attach the unit to any flat surface. Use the two enclosure screws, on the sides of the unit to attach the mounting brackets. Using a small Phillips screwdriver, remove the two screws from the left side of the enclosure. -
Page 5: Connection Diagram
The AT-HDR-M2C includes a built-in webGUI, which allows easy management and control of all features. Follow the instructions below to access the webGUI. Set the IP mode of the AT-HDR-M2C. By default, the AT-HDR-M2C is set to DHCP mode. •... -
Page 6: Troubleshooting
No multichannel audio on • Make sure that the HDMI cable is connected from the the HDMI output. sink device to the HDMI OUT port on the AT-HDR-M2C. Two-channel audio is not • Make sure that the HDMI cable is connected from the heard on the output. - Page 7 Installation Guide AT-HDR-M2C Notes...
- Page 8 • © 2017 Atlona Inc. All rights reserved. “Atlona” and the Atlona logo are registered trademarks of Atlona Inc. All other brand names and trademarks or registered trademarks are the property of their respective owners. Pricing, specifications and availability subject to change without notice. Actual products, product images, and...
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