Sony MEX-N5150BT Operating Instructions Manual page 28

APP LIST: The contents list of the CD/USB/iPod is
open.
 Exit the list of the application to enable button
operation.
APP MENU: A setting display of the application is
open.
 Exit the setting display of the application to
enable button operation.
APP NO DEV: The device with the application
installed is not connected or recognized.
 Make the BLUETOOTH connection and establish
the "SongPal" connection again (page 15).
APP SOUND: A sound setting display of the
application is open.
 Exit the sound setting display of the application
to enable button operation.
OPEN APP: The "SongPal" application is not
running.
 Launch the application.
For steering wheel remote control
operation:
ERROR: An error occurred during the function
registration.
 Register again from the function where the error
occurred (page 17).
TIMEOUT: The function registration failed due to a
timeout.
 Try completing the registration while [REGISTER]
is blinking (about 6 seconds) (page 17).
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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