RTR-574 Firmware Update Tool

Software for updating the RTR-574 firmware.


Software for updating the RTR-574 firmware.

Compatible ProductsRTR-574/574-S, RTR-574-H
VersionVer. 2.06 (March 12, 2013)
File Nameapp_rtr574-firm-206-all-eng.exe
File Size3.05 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.

Read First

  • Please note that all recorded data in the RTR-574 will also be erased by updating the firmware. We recommend to download the recorded data before updating the firmware.
  • In order to update the firmware, the RTR-574 needs to be connected to a PC with a USB cable so that the PC can execute the program.
  • Before connecting a USB cable, make sure that the PC has the USB device driver installed.
  • By installing the application for your Base Unit (RTR-500W for Windows, RTR-500DC for Windows, RTR-500MBS for Windows or RTR-500 for Windows), the USB device driver for RTR-574 will also be installed.

Firmware Update Procedure

  1. Using a USB cable, connect the RTR-574 to the PC in which "RTR-574 Firmware Update Tool" will be executed.
  2. Execute the downloaded "RTR-574 Firmware Update Tool".
  3. Please follow the instructions on the screen to update the Firmware.

Revision History

Ver. 2.06 March 12, 2013

  • Fixed a problem that occurred when recording was started via wireless communication using the software (Settings Utility) included with the Base Unit. Depending on the wireless communication environment, the settings info was not sent correctly, causing incorrect measurements and subsequent unexpected recording results.

Ver. 2.05 August 31, 2012

  • Fixed a problem that occasionally caused all of the recorded data in the RTR-574 to be erased, regardless power ON and OFF, when a battery replacement mark is displayed due to low battery.
  • Fixed a problem where all of the recorded data in the RTR-574 was erased by connecting the RTR-574 and PC with a USB cable when a battery replacement mark is displayed.

User Agreement


  1. Although T&D Corporation has carried out operational tests on RTR-574 Firmware Update Tool, 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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