Sony MEX-GS600BT Operating Instructions Manual page 43

The name of the other party does not appear
when a call is received.
 The calling phone is not set to send the phone
number.
A call is answered unintentionally.
 The connecting phone is set to answer a call
automatically.
 "AUTO ANS" of this unit is set to "ANS-1" or
"ANS-2" (page 22).
Pairing failed due to time out.
 Depending on the connecting device, the time
limit for pairing may be short.
– Try completing the pairing within the time.
Bluetooth function cannot operate.
 Turn off the unit by pressing 
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.
Application name is mismatched with the
actual application in App Remote.
 Launch the application again from the "App
Remote" application.
While running the "App Remote" application
via Bluetooth, the display automatically
switches to "BT AUDIO."
 The "App Remote" application or Bluetooth
function has failed.
– Run the application again.
Error displays/Messages
CHECKING
 The unit is confirming the connection of a
USB device.
– Wait until confirming the connection is
finished.
ERROR
 The disc is dirty or inserted upside down.
– Clean or insert the disc correctly.
 A blank disc has been inserted.
 The disc cannot play due to a problem.
– Insert another disc.
 USB device was not automatically recognized.
– Connect it again.
 Press  to remove the disc.
FAILURE
 The connection of speakers/amplifiers is
incorrect.
– See the installation/connections manual of
this model to check the connection.
HUB NO SUPRT (Hubs Not Supported)
 USB hub is not supported on this unit.
NO AF (No Alternative Frequencies)
 There is no alternative frequency for the
current station.
– Press  +/– while the program service
name is flashing. The unit starts searching
for another frequency with the same PI
(Program Identification) data ("PI SEEK"
appears).
NO DEV (No Device)
 "USB" is selected as source without a USB
device connected. A USB device or a USB cable
has been disconnected during playback.
– Be sure to connect a USB device and USB
cable.
NO DISC
 The disc is ejected, or "CD" is selected as the
source without inserting the disc.
NO MUSIC
 The disc or USB device does not contain a
music file.
– Insert a music CD in this unit.
– Connect a USB device with a music file in it.
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