AMX DXLink Instruction Manual download pdf (Page 145)

Appendix H – EDID Management/Programming

145

Instruction Manual – DXLink Fiber Transmitters and Receivers

General Notes for Working with DGX Configuration Software and DXLink Fiber TXs

When a DXLink Fiber TX is connected to a PC running DGX Configuration Software, the following applies:

DGX Configuration Software displays the connected Transmitter only.

File menu – Select Open File to load an .edid file to the program. Select Save to File to save an .edid file

containing the currently displayed settings in the EDID Programmer view.

Communication menu – Use to change the serial communication settings. This menu also includes the option

to “Refresh Device Lists,” which will refresh the device list in the EDID Programmer tab.

Utilities menu – This menu does not apply to DXLink Fiber Transmitters.

Help menu – Select to access the Help file for the program or open a link for the Web Update option

(to download updates for the program) or view current version information.

Messages in the bottom pane of the DGX Configuration Software dialog box report status of operations.

Messages can be copied* for technical support purposes.

* Right-click on a message to access a shortcut menu with options to Copy Selected, Copy All, or Clear. When copying

multiple messages: either select consecutive items by holding down the Shift key and clicking the first and last item or

select nonconsecutive items by holding down the Control key and clicking on each item.

EDID Programmer View

From the EDID Programmer view, EDID EEPROM chips for the HD-15 (VGA) or HDMI connector on the Transmitter

can be re-programmed if necessary.

Note: An explanation of EDIDs in available at the beginning of this appendix (page 141).

DXLink Fiber Equipment and EDID

In cases where the HD-15 (VGA) or HDMI input on a DXLink Fiber Transmitter is used and a resolution incompatibility

exists (or if the source device needs a specific resolution or a limited set of resolutions), the DXLink Fiber Transmitters

have the ability to update the VGA or HDMI EDID emulation file (by updating the EEPROM chip) which comes

preloaded with an AMX VGA or HDMI EDID set.

The AMX VGA EDID set and the AMX HDMI EDID set each consist of a number of common EDID settings (for VGA

and HDMI timing details, see page 130). In most cases, the DXLink Fiber Transmitter can be used as is from the factory

with no adjustments.

The DGX Configuration Software with EDID programming functionality has been provided for cases where a user

defined EDID set is desired (this must be a subset of the supported input resolutions shown in Appendix E;

see page 130). The EDID Programmer view can be used for writing user defined VGA or HDMI EDID data to the

DXLink Fiber Transmitter’s HD-15 or HDMI input.

Reading and Saving EDID Data from a DXLink Fiber Transmitter’s Input Connector

When DGX Configuration Software discovers and displays “Inputs” for an DXLink Fiber Transmitter, the input contains

two options to allow for reading from either the VGA (HD-15) or HDMI input.

The DGX Configuration Software reads the EDID data from the USER EDID 1 EEPROM location, regardless of the

VIDIN_EDID setting.

Note: DXLink Fiber Transmitter or

Receiver in Unidirectional Mode – The source device can never

access the EDID from the downstream sink (destination device); the source device will always use the default

EDID of “All Resolutions” from the Transmitter. DXLink Fiber Transmitter and Receiver in Bidirectional

Mode – The TX will store the EDID from the downstream sink on the Digital Input and present the EDID to the

source device.

The EDID data can be read to confirm the correct EDID has been programmed.

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