Before starting the firmware update, disable all anti-virus programs to avoid any inconvenience. Turn on the FDM-DUO and connect the USB RX connector to a USB 2.0 port of your computer. Unzip the archive, launch the executable file inside and follow the instructions to update the firmware.
Version 11 and Version 12, this document covers the use of both. Update mode activation Turn on the FDM-DUO and connect the CAT USB port to a USB 2.0 port of your computer. Follow the steps below to enable the user interface update mode : ...
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