See also:

When “CHECK DISC” is displayed
Press the eject button to unload the discs. Check that the disc is not damaged or scratched, and also check that the disc is inserted correctly. This message may appear when using some CD-RW di ...

Specifications
These specifications are subject to change without notice. ...

Corresponding profiles for the cell phone
- HFP (Hands Free Profile): Ver. 1.0 - OPP (Object Push Profile): Ver. 1.1 ...