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Yaesu FT-891 Firmware Update Manual
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Yaesu FT-891 Firmware Update Manual

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Use this software on a personal computer to update the firmware of the FT-891 transceiver after connecting
it to the personal computer.
Important
Before downloading the software, please read the "Important Notes" carefully.
Downloading or installing this software will signify your agreement with the stipulations of the "Important
Notes".
"Transceiver" is used hereafter to refer to the Yaesu FT-891 transceiver.
Be sure to confirm the model and the version of your transceiver before starting the update.
Writing incorrect firmware to the transceiver may cause abnormal operation or failure.
Important Notes
All responsibility for the use of this software lies with the customer. Yaesu Musen Co., LTD cannot be held
●
responsible in any way for damage or loss which may be incurred by the customer as a result of using this
software.
Copyrights and all other intellectual property rights for the software, as well as the software manual, are
●
the property of YAESU MUSEN CO., LTD.
The revision, modification, reverse engineering, or decompiling of this software is prohibited.
●
Redistribution, transfer, and resale of downloaded files are also prohibited.
Downloaded files are for personal use only.
●
If you cannot perform the firmware update yourself, please consult with one of our sales sites or service centers.
●
System Requirements (Operating Environment)
Supported Operating Systems
®
Microsoft
Windows
●
®
Microsoft
Windows
●
CPU
CPU which satisfies OS (operating system) requirements
RAM (System Memory)
Sufficient RAM (system memory) to meet or exceed the OS (operating system) requirements
HDD (Hard Disk)
HDD (hard disk) with capacity to meet or exceed the OS (operating system) requirements
In addition to having sufficient free space for the OS to operate, the program requires 20Mbyte or more of
free space.
Necessary PC interface
USB port (USB1.1/USB2.0)
Do not connect the USB cable to the personal computer and the FT-891 until after the "virtual COM port
driver" installation is completed, because the wrong driver may inadvertently be installed.
USB Driver (for Performing Version Updates via the USB Port)
Install the FT-891 virtual COM port driver on the personal computer before beginning the firmware update
process.
Please see "FT-891 USB Driver (Virtual COM Port Driver)" on the Yaesu Website for details (http://www.
yaesu.com/).
Cables
USB cable (type A to B)
Please have a commercially available cable ready.
®
Microsoft
, Windows
Corporation in the United States and other countries.
®
10
®
8.1
®
®
, Windows
8.1, Windows
FT-891
Firmware Update Manual
CAUTION!
®
10 are registered trademarks of Microsoft
1

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Summary of Contents for Yaesu FT-891

  • Page 1 Necessary PC interface USB port (USB1.1/USB2.0) Do not connect the USB cable to the personal computer and the FT-891 until after the “virtual COM port driver” installation is completed, because the wrong driver may inadvertently be installed. USB Driver (for Performing Version Updates via the USB Port) Install the FT-891 virtual COM port driver on the personal computer before beginning the firmware update process.
  • Page 2 See “FT-891 USB Driver (Virtual COM Port Driver)” on the Yaesu Website for details (http://www.yaesu. com/). If the FT-891 virtual COM port driver has already been installed on the personal computer, skip this step and proceed with the following firmware update steps respectively:...
  • Page 3 How to Reset the Transceiver after updating the firmware (All Reset) CAUTION! The transceiver needs all settings to be reset immediately after updating the firmware. Resetting the transceiver will clear all memories. Please make a note of the memories (memory channel settings, etc) before updating firmware. All Reset 1.
  • Page 4 7. Click the [ Configure ] button on the YFSW023 transfer software screen, and set the COM port number. (Use an Enhanced COM port when using a USB cable. Please see “FT-891 Virtual COM Port Driver” on the Yaesu Website for details (http://www.yaesu.com/)).
  • Page 5 8. Click the [ Browse ] button on the YFSW023 transfer software screen, and then select the folder that contains the previously downloaded, SFL transfer firmware file. 9. Click the [ Main CPU ] button on the YFSW023 transfer software screen. Only the MAIN firmware file will be displayed.
  • Page 6 11. hen the update is successful, the following screen will appear. Then click the [ OK ] button. 12. Click the [ Close ] button on the transfer software screen. 13. Turn the external power supply OFF. 14. Move the programming switch (located on the rear panel of the transceiver) toward the right side (use a pin).
  • Page 7 2. Use a standard, commercially available USB cable, to connect the transceiver USB terminal and the PC USB port. (The FT-891 virtual COM port driver must be installed before connecting the USB cable.) 3. Confirm that the programming slide switch (located on the rear panel of the transceiver) is set to the right side.
  • Page 8 8. Click the [ Configure ] button on the YFSW023 transfer software screen, and then set the COM port number. (Select an Enhanced COM port when using a USB cable. Please see “FT-891 Virtual COM Port Driver” on the Yaesu Website for details (http://www.yaesu.com/)).
  • Page 9 11. Click the [ WRITE ] button on the YFSW023 transfer software screen. The firmware transfer process will begin. 12. When the update is successful, the following screen will display. Then click the [ OK ] button. 13. Click the [ Close ] button on the transfer software screen. 14.
  • Page 10 2. Use a standard, commercially available USB cable, to connect the transceiver USB terminal and the PC USB port. (The FT-891 virtual COM port driver must be installed before connecting the USB cable). 3. Confirm that the programming slide switch (located on the rear panel of the transceiver) is set to the right side.
  • Page 11 8. Click the [ Configure ] button on the YFSW023 transfer software screen and then set the COM port number. (Select an Enhanced COM port when using a USB cable. Please see “FT-891 Virtual COM Port Driver” on the Yaesu Website for details (http://www.yaesu.com/)).
  • Page 12 The firmware transfer process will begin. 12. When the update is successful, the following screen will be displayed. Then click the [ OK ] button. 13. Click the [ Close ] button on the transfer software screen. 14. Press and hold the [PWR/LOCK] key to turn the transceiver OFF. 15.
  • Page 13 2101-B...