Sony CDX-GT575UI Bedienungsanleitung Seite 28

APP NO DEV (Application No Device)
 The device with the application installed is not
connected.
– Connect the device, then establish iPhone
connection.
OPEN APP (Open Application)
 The "App Remote" application is not running.
– Start up the phone's application.
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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