Gefen EXT-HDMI-844 user manual Operation Notes

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OPERATION NOTES

READ THESE NOTES BEFORE INSTALLING OR

OPERATING THE 8X4 MATRIX FOR HDMI

Important Note: The 8x4 Matrix for HDMI incorporates a 2x1 switch in front of each input on a traditional 4x4 matrix. This allows for the connection of up to 8 different HDMI source devices with a maximum of 4 sources available for viewable at any one time. Each of the 4 switched inputs on the 8x4 Matrix for HDMI are labeled as “A” and “B”. Both “A” and “B” for each input cannot be active at the same time.

Example A (Multiple outputs viewing the same input source) Devices: 1A (DVD player) & 1B (Cable STB)

Scenario: Outputs 1 and 2 are both viewing input 1A (DVD).

Action: User viewing output 1 switches the input from 1A (DVD) to 1B (STB).

Result: Both outputs 1 and 2 will be switched to viewing 1B (STB).

Example B (Multiple outputs viewing separate input sources) Devices: 1A (DVD player), 1B (Cable STB), and 2A (Video Game system) Scenario: Output 1 is viewing 1A and output 2 is viewing 2A.

Action: User viewing output 1 switches the input from 1A (DVD) to 1B (STB).

Result: Output 2 is not affected by the change of 1A to 1B because it is viewing a source (2A) on a different input.

Display information (EDID) from the displays attached to the 8x4 Matrix for HDMI need to be sent back to the input sources. Please see page 10 for EDID management features and options.

HDMI 1.2 compliant (HDMI 1.3 compatible)

HDCP compliant

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Contents 8x4 Matrix for Technical Support Asking for Assistance Technical Support Hours Write ToContents Gefen IntroductionGefen 8x4 Matrix for Hdmi How It WorksOperation Notes Package Includes FeaturesFront Panel Back Panel Panel LayoutPanel Descriptions How to Operate the 8x4 Matrix for Hdmi Connecting and Operating the 8X4 Matrix for HdmiHow to Connect the 8x4 Matrix for Hdmi LED Array Scenario 1 a ExampleRMT-16IR Remote Description Why would I need to change the remote channel? IR Code ConfigurationAm experiencing the issues listed above. What do I do? How Do I change the Remote Channel?EDID. What is it and what is it used for? Edid Management FeatureWhy is Edid so important with the 8x4 Matrix for HDMI? How do I change Edid modes in the 8x4 Matrix for HDMI?Function Edid Management ModesEdid Modes RS-232 Serial Communications How do I use these features?What are the communication port settings? Switching/Routing Binary Table RS-232 Serial Communications CommandsEdid Management Modes IR Remote Channel ConfigurationSpecifications Product Registration WarrantyPage Page Rev A2 Nordhoff St., Chatsworth CA