" insert the installer card" - Yamaha CVP 303

by Nico
(Italy)

Hi,

I don't understand how to verify the firmware installed in my CVP 303 and how to upgrade it.
I've downloaded new firmwares 1.60 and 1.80, following the instruction but the keyboard doesn't read USB.
The message on the display is 'insert the installer card'.
What can I do?
Thanks!

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