i did a firmware up grade but every time i go to a gig it says udi update and i cannot use the sdj1 at all i have applied the update twice and every time i unplug the system and go to a gig it happen all oner again
another person has the same problem

I am not sure but if you haven't deleted the update info. off of your SD card, then this problem would happen. Try removing the update off of the SD card and see if this fixes the problem.