AT-ETU-SYNC - EDID Read & Write – Atlona Help Center

We have released a firmware update for the ETU-SYNC which includes an exciting new feature. You can now read and write EDID onto the ETU-SYNC using the FW/PWR USB port. You can find the firmware on the product page under the Firmware Tab.

Prerequisites:

ETU-SYNC - REV A Hardware - Must update to Firmware Version 1.0.6 or later
ETU-SYNC - REV B and Later Hardware - Must update to Firmware Version 2.0.6 or later
- For instructions on loading ETU-SYNC firmware, see PG 21 of the User Manual or this article.
USB-A to USB mini-B cable
PC - Windows or macOS
- Windows with Hercules 1
- macOS with CoolTerm 1
Raw EDID data in HEX format

Command List

COMMAND	DESCRIPTION
EDIDRead	Reads the EDID saved to the AT-ETU-SYNC mode 0 memory bank.
EDIDWrite X	Writes the specified EDID to the AT-ETU-SYNC mode 0 memory bank.
Version	Displays the current firmware version of the unit.

Commands are case-sensitive. If the command fails or is entered incorrectly, then the feedback is “Command FAILED”. Commands are sent using RS-232. There should be a least a 500-millisecond delay between each command sent to the unit.
Important: Each command is terminated with a carriage-return (0x0d) and the feedback will be terminated with a carriage return (0x0d) and line feed (0x0a). For information regarding carriage returns, see this article.

Configuration:

Connect a USB-A to USB mini-B cable between the computer and the FW port on the AT-ETU-SYNC
- Important: The USB-A port on the computer must be able to provide 5V 1A of power.
Once connected to the computer a COM port will be created.
- Windows: Open Device Manager to find the COM port (as shown below)
- macOS: Open About This Mac, select System Report, Hardware - USB
Launch the desired RS232 terminal emulator.
Configure the following RS232 settings in the terminal emulator:
- Baud rate: 115200
- Data bits: 8
- Parity: 1
- Flow control: None

Functions:

EDIDRead
- Reads the EDID saved to the AT-ETU-SYNC mode 0 memory bank.
- If you wish to read a specific display's EDID, you must first learn the EDID information of the display into the ETU-SYNC. For information on performing an EDID learn on an ETU-SYNC see this article.
- Feedback:
  
  EDIDRead
  00FFFFFFFFFFFF004C2DCB0B000000000D180103
  804728782AD691A7554EA0250C5054BFEF80714F
  810081C081809500A9C0B3000101565E00A0A0A0
  295030203500C48E2100001A023A801871382D40
  582C4500C48E2100001E000000FD00184B1B5A19
  000A202020202020000000FC0053333244383530
  0A2020202020011802031CF148900411F1303122
  022230907078301000066030C00100080023A801
  871382D40582C4500C48E2100001E023A80D0723
  82D40102C4580C48E2100001E011D007251D01E2
  06E285500C48E2100001E011D00BC52D01E20B82
  85540C48E2100001E00000000000000000000000
  0000000000000000000000000000000A2
EDIDWrite X
- X = EDID Data - Hexadecimal (256 characters)
  - If the EDID Data is not 256 characters, Command FAILED will be returned
- Example:
  
  EDIDWrite
  00FFFFFFFFFFFF004C2DCB0B000000000D180103
  804728782AD691A7554EA0250C5054BFEF80714F
  810081C081809500A9C0B3000101565E00A0A0A0
  295030203500C48E2100001A023A801871382D40
  582C4500C48E2100001E000000FD00184B1B5A19
  000A202020202020000000FC0053333244383530
  0A2020202020011802031CF148900411F1303122
  022230907078301000066030C00100080023A801
  871382D40582C4500C48E2100001E023A80D0723
  82D40102C4580C48E2100001E011D007251D01E2
  06E285500C48E2100001E011D00BC52D01E20B82
  85540C48E2100001E00000000000000000000000
  0000000000000000000000000000000A2
- Feedback:
  
  EDIDWrite
  00FFFFFFFFFFFF004C2DCB0B000000000D180103
  804728782AD691A7554EA0250C5054BFEF80714F
  810081C081809500A9C0B3000101565E00A0A0A0
  295030203500C48E2100001A023A801871382D40
  582C4500C48E2100001E000000FD00184B1B5A19
  000A202020202020000000FC0053333244383530
  0A2020202020011802031CF148900411F1303122
  022230907078301000066030C00100080023A801
  871382D40582C4500C48E2100001E023A80D0723
  82D40102C4580C48E2100001E011D007251D01E2
  06E285500C48E2100001E011D00BC52D01E20B82
  85540C48E2100001E00000000000000000000000
  0000000000000000000000000000000A2

Foot Notes:
1.) The software programs linked in this article are not developed or owned by Atlona. These are recommended software programs only. The user of these programs is responsible for verifying the integrity of the recommended programs prior to downloading. These are also free programs that might request donations, doing so is at your own discretion.