Sony XAV-W650BT Operating Instructions Manual page 30

 Check the BLUETOOTH setting of the
connecting device.
 No device is in the list of registered BLUETOOTH
devices.
 Perform pairing with a BLUETOOTH device
(page 8).
Call Data Error
 An error has occurred while accessing
phonebook data via PBAP or call history from the
BLUETOOTH phone.
 Reconnect the BLUETOOTH phone.
Data Listing Error
 An error has occurred while displaying
phonebook data via PBAP or call history from the
BLUETOOTH phone.
 Reconnect the BLUETOOTH phone.
Handsfree device is not available.
 A cellular phone is not connected.
 Connect a cellular phone (page 8).
For disc operation (XAV-W650BT)
Disc Error
 The unit cannot read the data due to some
problem.
 The data is damaged or corrupted.
 The disc is corrupted.
 The disc is incompatible with this unit.
 The disc is not finalized.
 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.
 The disc is not compatible with this unit.
 Insert a compatible disc.
 Press  to remove the disc.
Playback prohibited by region code.
 The DVD's region code differs from the unit's
region code.
The sound in DTS format is not audible.
 Discs in DTS format are not supported. Sound is
not output if the DTS format is selected.
 DTS formatted discs are not playable on this
unit. Use a compatible disc format (page 21).
30
GB
For steering wheel remote control
operation:
Please retry
 An error occurs while registering and all the
registered information is cleared.
 Restart registration from the beginning.
If these solutions do not help improve the situation,
consult your nearest Sony dealer.
If you take the unit to be repaired due to disc
playback trouble, bring the disc that was used at
the time the problem began (XAV-W650BT).