XDJ RX - DISCONNECTING USB MIDI

 HELLO

i was at a gig , and somehow the xdj rx disconnects the usb , and nothing works.

finished the gig with the link cable.

what to do to to not happend this no more ?

it could be by the energy network , fluctuation of the power ?

soryy, my english is not ok

wait for your answers

manny thanks

mariosoundsrl@yahoo.com