Sony CDX-RA550 User Manual

H DSO button  2

To select the DSO mode (1, 2, 3 or OFF). 
The larger the number, the more enhanced 
the effect.

I Z (eject) button  5

To eject the disc/open the shutter.

J M>/.m(+/–) control

CD:
To skip tracks (press); skip tracks 
continuously (press, then press again within 
about 1 second and hold); reverse/fast-
forward a track (press and hold).
Radio:
To tune in stations automatically (press); find 
a station manually (press and hold).

K

 (front panel release) button  4

L SOURCE button

To power on; change the source (Radio/CD/
MD*

1

/AUX).

M MODE button  8, 12

To select the radio band (FM/MW/LW)/
select the unit*

2

.

N RESET button (located behind the front 

panel)  4

O Number buttons

CD/MD*

1

:

(1)/(2): GP*

3

/ALBM*

4

 –/+*

5

To skip groups/albums (press); skip 
groups/albums continuously (press and 
hold).

(3): REP  8
(4): SHUF  8
(5): BBE MP*

6

To activate the BBE MP function, set 
“BBEMP-ON.” To cancel, set 
“BBEMP-OFF.”

(6): PAUSE*

6

To pause playback. To cancel, press 
again.

Radio:
To receive stored stations (press); store 
stations (press and hold).

P AF (Alternative Frequencies)/TA 

(Traffic Announcement) button  9
To set AF and TA/TP in RDS.

Q SENS/BTM button  8

To improve weak reception: LOCAL/MONO 
(press); start the BTM function (press and 
hold).

R PTY (Programme Type) button  10

To select PTY in RDS.

S SCRL (scroll) button  8

To scroll the display item.

T Receptor for the card remote 

U OFF button

To power off; stop the source.

The following buttons on the card remote 
commander have also different buttons/functions 
from the unit.

ws < (.)/, (>) buttons

To control CD/radio, the same as the 
M>/.m control on the unit.

wd VOL (volume) +/– button

To adjust volume.

wf M (+)/m (–) buttons

To control CD, the same as (2)/(1) on the 
unit.

wg Number buttons

To receive stored stations (press); store 
stations (press and hold).

*1 When an MD changer is connected.
*2 When a CD/MD changer is connected.
*3 When an ATRAC CD is played.
*4 When an MP3/WMA is played. 
*5 If the changer is connected, the operation is 

*6 When playing back on this unit.

Note
If the unit is turned off and the display disappears, it 
cannot be operated with the card remote commander 
unless (SOURCE) on the unit is pressed, or a disc is 
inserted to activate the unit first.