Sony RSX-GS9 User Manual page 26

BLUETOOTH function cannot operate.
 Turn off the unit by pressing OFF for more than 2
seconds, then turn the unit on again.
No sound is output from the car speakers during
handsfree call.
 If the sound is output from the cellular phone, set
the cellular phone to output the sound from the
car speakers.
The track name is not displayed.
 Via BLUETOOTH, track names are not displayed.
The caller name is not displayed.
 If the caller name is not registered in the
smartphone, the phone number is displayed
instead.
Sony | Music Center operation
Application name is mismatched with the actual
application in "Sony | Music Center".
 Launch the application again from the
"Sony | Music Center" application.
While running the "Sony | Music Center"
application via BLUETOOTH, the display
automatically switches to [BT Audio].
 The "Sony | Music Center" application or
BLUETOOTH function has failed.
 Run the application again.
The "Sony | Music Center" application is
automatically disconnected when the display
switches to [iPod1] or [iPod2].
 The "Sony | Music Center" application on iPhone/
iPod does not support iPod playback.
 Change the source of the unit to other than
[iPod1] or [iPod2], then establish the "Sony |
Music Center" connection (page 15).
Error displays/Messages
For USB device playback
Device Error: The USB device cannot be played.
 Connect the USB device again.
No Device: A USB device is not connected or
recognized.
 Make sure the USB device or USB cable is securely
connected.
 A USB device in MTP mode is not available.
 Set the USB connection mode to MSC.
No Music: There is no playable file.
 Connect a USB device containing playable files
(page 21).
 Check that the "Music" folder is located directly
under the root directory of the USB device and
that playable files are stored in the folder.
No Output: Sound signals are not output from the
OPTICAL OUT terminal.
 No sound is output from the OPTICAL OUT while
native DSD playback is performed via the USB
micro-B port.
No Support: The USB device is not supported.
 For details on the compatibility of your USB
device, visit the support site on the back cover.
 USB hubs are not supported.
Overload: The USB device is overloaded.
 Disconnect the USB device, then press SRC to
select another source.
 The USB device has a fault, or an unsupported
device is connected.
Please Wait: Now reading information.
 Wait until reading is complete and playback
starts automatically. This may take some time
depending on the file organization.
For BLUETOOTH function:
No Device: The BLUETOOTH device is not
connected or recognized.
 Make sure the BLUETOOTH device is securely
connected, or the BLUETOOTH connection is
established with the BLUETOOTH device.
For Sony | Music Center operation:
APP List: The contents list of the USB 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.
Disconnect: The application is disconnected.
 Make the "Sony | Music Center" connection
(page 15).
Open APP: The "Sony | Music Center" application is
not running.
 Launch the application.
Settings: A sound setting, general setting or
BLUETOOTH setting display of the application is
open.
 Exit the setting display of the application to
enable button operation.
If these solutions do not help improve the situation,
consult your nearest Sony dealer.