Sony CMT-DH7BT Operating Instructions Manual page 68

Playback does not start from the first
track.
 The system is in Program Play or
Shuffle Play mode. Turn off Program
Play and Shuffle Play.
 Resume Play has been selected. Press
  twice. Then, press 
playback (page 27).
 The title of DVD VIDEO or PBC
menu automatically appears on the TV
screen.
Playback starts automatically.
 The DVD VIDEO features an auto
playback function.
Playback stops automatically.
 Some discs may contain an auto pause
signal. While playing such a disc, the
playback stops at auto pause signal.
You cannot perform some functions
such as Stop, Lock Search, Slow-
motion Play, Repeat Play, Shuffle Play
or Program Play.
 Depending on the disc, you may not
be able to do some of the operations
above. Refer to the operating
instructions supplied with the disc.
The DATA CD (MP audio track/JPEG
image file) cannot be played back.
 The DATA CD is not recorded in a
format that conforms to ISO 9660
Level 1, Level 2, or Joliet (expansion
format).
 The DATA DVD is not recorded
in a format that conforms to UDF
(Universal Disk Format).
 The MP3 audio track does not have the
extension ".MP3".
 The data is not stored in the desired
format.
 The MP3 audio tracks in format other
than MPEG 1 Audio Layer 3 cannot be
played back.

GB
 The system can playback to a depth of
8 folders only.
 For MP3/JPEG files, check the "MODE
(MP3, JPEG)" setting (page 37).
 The disc contains more than 200
albums.

to start
 The album contains more than 600
tracks/files.
 For MP3/JPEG files, the album
contains more than 300 tracks/files
when the "MODE (MP3, JPEG)" is set
to "AUTO. "
 The JPEG image file does not have the
extension ".JPG" or ".JPEG".
 The JPEG image file is larger than
3,072 (width) × 2,048 (height) in
normal mode, or more than 2,000,000
pixels in Progressive JPEG mode which
is mainly used on the Internet website.
 JPEG image files with a high width to
length ratio cannot be played back.
The MP audio tracks take longer
time to play back than others.
 After the system reads all the tracks on
the disc, playback may take more time
than usual if:


The disc title, album title, track title
and DVD-TEXT characters do not
appear properly.
 Use a disc that conforms to the
ISO 9660 Level 1, Level 2, or Joliet
(expansion).
 The character code that can be
displayed by this system are as follows:




Other characters may not be displayed
correctly.
the number of albums or tracks on
the disc is very large.
the album and track organization
structure is very complex.
Upper cases (A to Z)
Lower cases (a to z)
Numbers (0 to 9)
Symbols (< > * +,  / [ ] _)