Sony MEX-GS820BT Manual De Instrucciones página 34

For firmware update operation:
ERROR: The updater is not stored in the USB
device.
 Store the updater in the USB device, then
try again (page 23).
NO DEVICE: The USB device containing the
updater is not connected or recognized.
 Make sure the USB device is securely
connected.
 Disconnect the USB device, then connect
the device again.
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 23).
If these solutions do not help improve the
situation, consult your nearest Sony dealer.
If you take the unit to be repaired because of
CD playback trouble, bring the disc that was
used at the time the problem began.
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