TM-V71A / TM-V71E
TM-D710A / TM-D710E
Main firmware updating procedure
Last updated : August 26, 2020
The TM-V71A/E, TM-D710A/E main firmware is stored in the TX/RX unit main processor chip which contains a built-in flash ROM.
This manual describes the method of updating the firmware of the TM-V71A/E, TM-D710A/E.
1. Requirements
1) A personal computer.
  An IBM PC or compatible using the Windows® 8.1, or Windows® 10 operating system, and Microsoft .NET Framework 3.5 (includes .NET 2.0 and 3.0) installed.
2) The firmware updating program.
  Downloaded zip file "".("XXX" is a 3-digit numeric version number.)
3) An optional Programming Cable (PG-5G, or PG-5H Serial communications cable) is necessary.
Note : This firmware updating program cannot read and write user data such as menu items, memory channel frequencies.
If you do not want to lose user data, save the data using the Memory Control Program MCP-2A before updating the firmware and write the data back after updating the firmware.
2. Firmware updating program installation
1) Extract the downloaded zip file "".
  The file is extracted into a designated folder.
2) In the designated folder, a folder labeled "TM-V71_TM-D710_Main_VXXXE" will be created.
  In the folder labeled "TM-V71_TM-D710_Main_VXXXE", two files "TM-V71_TM-D710_Main_VXXX_e.exe" and "TM-V71_TM-D710_Main_e.chm"are automatically created.
3. Start TM-V71 / TM-D710 Main firmware updating program
Start the program by double-clicking "TM-V71_TM-D710_Main_VXXX_e.exe" icon.
2) Select the COM Port you will use.
3) Select the Baud Rate you will use.
  You can select the communication speed from 115200/57600/38400/19200 [bps].
(All communication speeds may not be available, depending on your PC hardware.)
Note : When a fast communication speed is selected (115200bps or 57600bps), some PCs cannot reliably perform high speed serial communications.
If communication errors persist although the parameters and settings are correct, select a slower communication speed, such as 19200bps.
4) To start updating procedure, click [Update].
  The following dialog box opens, explaining the firmware update procedure.
4. Firmware updating procedures
1) Turn OFF the transceiver and remove the power supply cable from the transceiver.
2) Connect the transceiver to your PC's COM Port using the Serial communications cable.
3) Push and hold the [MR] and [PM] key, then turn ON the transceiver to enter Firmware programming mode.
Note : When Cross-band Repeater mode, Channel Display mode, or Key Lock function is ON, the transceiver cannot enter Firmware programming mode.
4) "PROG" is displayed on the transceiver.
Click [OK].
5) After confirmation of the transceiver's current firmware version, the following dialog box will appear.
  When you are ready, click [OK].
  The new firmware will be transferred into the main processor flash ROM automatically as follows.
  After the firmware updating step is successfully completed, the following confirmation dialog box will appear.
  Click [OK].
  The following information dialog box will appear.
  Click [OK] to close the dialog box.
Note : If an error message appears during the update, confirm the COM Port setting or cable connections, then try to update the firmware again.
5. Post Updating steps
1) Turn OFF the transceiver.
2) Remove the Serial communications cable from the transceiver.
3) Push and hold the [F] key, then turn the transceiver ON.
4) Select "FULL RESET", then push the [Tune] knob.
6. Uninstalling the firmware updating program
Delete the folder labeled "TM-V71_TM-D710_Main_VXXXE" manually using the Explorer or an alternative method.
This software does not modify the system registry parameters or system folder.
Windows is a registered trademark or trademark of Microsoft Corporation in the United States and other countries.
.NET Framework is a registered trademark or trademark of Microsoft Corporation in the United States and other countries.