Yaesu WIRES-X FT3D Instruction Manual page 13

2. If the firmware version of the transceiver is the latest firmware as indicated on YAESU website
com/), update is not necessary.
Proceed to " Connect the transceiver and the PC" (page 13).
3. Download the latest firmware from YAESU website (http://www.yaesu.com/).
4. Unzip the downloaded file and copy all the files to the desired folder.
5. Refer to the "Firmware Update Manual" PDF file in the folder and update the firmware of the transceiver.
Be sure to use "Supplied USB cable" for FT3D, FT2D or FTM-300D firmware update. The PC connection cable SCU-19
or SCU-20 cannot be used for FT3D, FT2D or FTM-300D firmware update.
12
(http://www.yaesu.