Sony CDX-R505X User Manual

Thank you for purchasing this Sony Compact 
Disc Player. You can enjoy your drive with the 
following functions.
• CD playback

You can play CD-DA (also containing CD 
TEXT*), CD-R/CD-RW (MP3 files also 
containing Multi Session (page 14)) and 
ATRAC CD (ATRAC3 and ATRAC3plus 
format (page 14)).

• Radio reception

– You can store up to 6 stations per band (FM1, 

FM2, FM3, AM1 and AM2).

– BTM (Best Tuning Memory): the unit selects 

strong signal stations and stores them.

– You can assign a name to each radio station, 

store it in memory, and display station names 
on the list.

• Sound adjustment

– EQ7: You can select an equalizer curve for 7 

music types.

– DSO (Dynamic Soundstage Organizer): 

creates a more ambient sound field, using 
virtual speaker synthesis, to enhance the 
sound of speakers, even if they are installed 
low in the door.

– BBE MP: improves digitally compressed 

sound such as MP3. For details, see the 
following explanation.

• Optional unit operation

You can also control optional CD/MD changers 
and optional Sony portable devices in addition 
to playing with this unit.

* A CD TEXT disc is a CD-DA that includes 

For installation and connections, see the 
supplied installation/connections manual.

This equipment has been tested and found to
comply with the limits for a Class B digital
device, pursuant to Part 15 of the FCC Rules.
These limits are designed to provide reasonable
protection against harmful interference in a
residential installation. This equipment
generates, uses, and can radiate radio frequency
energy and, if not installed and used in
accordance with the instructions, may cause
harmful interference to radio communications.
However, there is no guarantee that interference
will not occur in a particular installation. If this
equipment does cause harmful interference to
radio or television reception, which can be
determined by turning the equipment off and on,
the user is encouraged to try to correct the
interference by one or more of the following
measures:
– Reorient or relocate the receiving antenna.
– Increase the separation between the equipment
   and receiver.
– Connect the equipment into an outlet on a
   circuit different from that to which the receiver
   is connected.
– Consult the dealer or an experienced radio/TV
   technician for help.

You are cautioned that any changes or
modifications not expressly approved in this
manual could void your authority to operate this
equipment.

The use of optical instruments with this product
will increase eye hazard.

Warning if your car’s ignition has no 
ACC position
After turning the ignition off, be sure to press 
and hold 

(OFF) on the unit until the display 

disappears. 
Otherwise, the display does not turn off and 
this causes battery drain.