GP33 update from 2.02 to 2.04 doesn’t start

filling

New member
Hello, I carefully checked the forum and try to do as best as I could but I cannot go further…
I have a GP33 in version 2.02 and I have to go to 2.04 to correct date issue, I follow the instructions : on a pc with a usb adapter, I launch the software and the adapter start blinking (maybe waiting for the GP33 to respond). I make the cable and Db9 plug.
I never manage to initiate the transfer. I try to initialize the gps but no success. I am lost for next step

Maybe you have an idea for me…
 

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