TR-57DCi Firmware Update Tool

This is an update program for the TR-57DCi firmware.


This is an update program for the TR-57DCi firmware.

Compatible ProductsTR-57DCi
VersionVer. 1.9 (July 14, 2022)
File Nameapp-tr57dci-firm-190-all.exe
File Size8.74 MB
Operating EnvironmentCompatible OS *1
Microsoft Windows 11 64bit English
Microsoft Windows 10 32/64bit English
CopyrightT&D Corporation
ReplicationCopying to another media is expressly forbidden
*1: For installation, it is necessary to have Administrator (Computer Administrator) rights.

How to Check your TR-57DCi Firmware Version

When turning on your TR-57DCi, the first screen that appears will display [Version x.x]. Check the displayed version number.
If your firmware version is 1.3 or lower, the version number will be displayed as [Revision x.x]

Firmware Update Procedure

  • During the updating process, make sure not to turn off the power of the TR-57DCi or disconnect the USB cable. Either action may cause the TR-57DCi to not work properly.
  • All recorded data stored in the TR-57DCi will be erased when you update the firmware.
  • Note that clock settings will be initialized (2010-01-01 00:00:00) upon execution of the update program.
  1. Using a USB cable, connect the TR-57DCi to the PC in which "TR-57DCi Firmware Update Tool" will be executed.
  2. Execute the downloaded "TR-57DCi Firmware Update Tool".
  3. Please follow the instructions on the screen to update the Firmware.

Revision History

Ver. 1.9 July 14, 2022

  • Made the update tool compatible with the Windows 10 USB driver (updated in T&D Recorder for Windows (TR-5, 7xU) Ver. 2.07.)
  • Changed the message that appears when making recording start operation from “Reading” to “Reading Int.”

Ver. 1.8 June 12, 2017

  • The time zone can now be set in 15-minute increments.

Ver. 1.6 March 02, 2012

  • Made compatible with TR-55i and TR-76Ui.
  • Support has been added for the \"VR-71 with the simultaneous recording function\".

Ver. 1.4 March 11, 2011

  • An error was corrected that occurred when downloading data via optical communication, whereby if you pressed the button to turn off the TR-57DCi, optical communication could not be carried out even after having turned on the power.
  • An error was corrected that occurred when the recorded data stored in the TR-57DCi exceeded 128 data sets and the data stored after that could not be selected correctly for graph display.
  • Various devices (except for TR-73U) were added for which the user can specify the period of data to be downloaded.

User Agreement


  1. Although T&D Corporation has carried out operational tests on T&D Graph, hereafter referred to as "the software", we cannot guarantee that all operations will work properly under all conditions.
  2. T&D Corporation shall not accept any responsibility for any damage whether direct or indirect that results from the usage of the software.
  3. Specifications of the software may be subject to change and service may be terminated without advance notice to the user. In such a case T&D Corporation shall not be responsible for any damages whether direct or indirect from the inability to use the software.
  4. T&D Corporation has no obligation to correct any defects found in the software.


  1. All copyrights for the software, including all of the programs and all related documents, are the sole property of T&D Corporation.
  2. The software is for use free of charge. Redistribution is permitted as long as it is to others for non-profit. In this case, all terms and conditions as written in the above disclaimers automatically transfer and hold true and valid for the party to which the program was redistributed. Please note that if you wish to commercially redistribute the program please contact your local distributor or T&D representative.
  3. The reprinting or redistribution for commercial purposes whether in part or in whole, in magazines or as a part of any product is strictly forbidden without the expressed consent of T&D Corporation. Any inquiries concerning commercial redistribution should be directed to the Sales Department of T&D Corporation.
  4. Please do not attempt to make any changes or modifications to the software.
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