Sony NF421 User Manual

Searching by viewing a list 

of groups/files 

(List View)

You can search for a track/file by checking 
the format type of the music source and the 
names of groups and files.

If you play a CD on which mixed audio 
data has been recorded:
The screen for selecting the format type 
such as “ATRAC ROOT” and “MP3 
ROOT” appears first.
Press 



/ENTER.













The file you have selected starts playing.

To return to the previous screen

Press 



 or  –.

To cancel searching

Press 



.

Checking CD information 

on the display

You can check CD information on the display.
Depending on the region in which you 
purchased your CD player, the default 
language may not be “ENGLISH.” Change 
the LANGUAGE setting, if necessary ( 

page 24).
When you are playing an MP3 CD containing 
files with an ID3 tag, ID3 tag information 
is displayed.  (When there is no ID3 tag 
information, file name or group name is 
displayed.) ( page 5)

•  The characters A-Z, a-z, 0-9, and _ can be 

displayed on this player.

•  Before playing a file, the player reads all file 

and group (or folder) information on the CD.  
“Reading” is displayed.  Depending on the content 
of the CD, it may take some time to accomplish 
this reading. 

•  If the file does not belong to any group, “MP3 

ROOT” appears on the display.

Continued 

D-NF420/NF421.GB.2-318-768-11(1)