Sony DSX-A310DAB Bedienungsanleitung Seite 21

UPDATE ERROR PRESS ENTER: Firmware update is
not completed properly.
 Press ENTER to clear the message, then try again.
During the update, do not turn the ignition to the
OFF position, nor remove the USB device
(page 15).
 Insert the USB device storing the updater, and
then press ENTER.
If these solutions do not help improve the situation,
consult your nearest Sony dealer.
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