Sony MHC-GT660 Operating Instructions Manual page 24

Notes on the display information
 Characters that cannot be displayed appear
as "_".
 The following is not displayed:
 total playing time and remaining playing
time for an MP3 disc and USB device.
 The following are not displayed correctly:
 elapsed playing time of an MP3 file
encoded using a VBR (variable bit rate).
 folder and file names that do not follow
either the ISO9660 Level 1, Level 2 or
Joliet in the expansion format.
 The following are displayed:
 total playing time for a CD-DA disc when
the play mode is "1 DISC. "
 remaining playing time for a track.
 ID3 tag information for MP3 files when
ID3 version 1 and version 2 tags are used
(ID3 version 2 tag information display
has priority when both ID3 version 1 and
version 2 tags are used for a single MP3
file).
 up to 15 characters of ID3 tag information
using uppercase letters (A to Z), numbers
(0 to 9), and symbols (˝ $ % ' ( ) * , – . / <
= > @ [ \ ] _ ` { | } ! ? ^).

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