How to update the FTA-750 or FTA-550 seriesFor updating the firmware of the FTA-750 series, the following files are needed.a) Firmware Update FTA_750_550_Vxxx.exe : Firmware Update fileb) FTA-x50_serial.cat : Device Driver Filec) FTA-x50_Serial.inf : Device Driver FileUSB Cable(Supplied withFTA-750/FTA-550)POWERswitchMENUkeyInstalling the Device DriverThe FTA-750 series device driver must be installed onyour PC before starting the firmware update.1. Download the FTA-750/FTA-550 Device Driver fromthe YAESU website and decompress the files to yourcomputer.2. Turn the transceiver off.3. Connect the computer to the transceivers DATA jackusing the USB Cable (T9101606) supplied with theFTA-750/FTA-550, as shown below.4. Press and hold the [MENU] key while turning thetransceiver on, to enter the programming mode.The transceiver will beep and display the batteryindicator only on the LCD.5. For instruction on installing the device driver, pleaserefer to the YCE01 Reference manual.How to Confirm the Firmware Version1. Press the [MENU] key to display the MENU screen.2. Select “SETUP” on the MENU screen by pressing the[p] or [q] key, and then press the [ENT] key.3. Select “ABOUT”on the SETUP menu by press-ing the[p] or [q] key, and then press the [ENT] key.The version of firmware will be displayed on theLCD.m If the firmware version of your transceiver is“Ver. 01.00”, you must update the firmware versionto “Ver. 01.01” first, then, you can update to thelatest version.* Download the file of the V. 01.01 and latest versionV. xx.xx files of the firmware.m If the firmware version of your transceiver is“Ver. 01.02 or later”, you can update to the latestversion directly.* Download the file of the latest version, firmwareV. xx.xx.How to Update the Firmware1. Start the Firmware Update.exe:a) Connect the FTA-7xx to the PC USB port by usingattached USB cable.b) Turn the radio on while pressing and holding the[MENU] key.c) The radio will sound a short beep and show thebattery icon in the LCD display.d) To start the Firmware Update program, doubleclick the Firmware Update FTA_750_550_Vxxx.exe.e) If radio and programmer are connected correctly,the update program will show on the PC display.f) Confirm which current version firmware isinstalled in the radio.If the current firmware version is the same as theupdate version, you don’t need to update it.Please click the “Cancel” button to close theupdate program.2. To begin the update:a) Click the “Start” button to start installing thefirmware.The program starts writing the firmware to theradio.