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Have you tried switching the display option on your USB drive? Click on the device name, then change the option here:
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hi admin
cdj 900 nexus key display format not alphanumeric key please fw update
i am ussing mixed in key
Have you tried switching the display option on your USB drive? Click on the device name, then change the option here:
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plase make 1a-2a-3a-........
this is screen
My usb drive this is selection alphanumeric
Have you exported anything to the drive since switching it?
No exported
Give that a try.