Sony CMT-DH50R Operating Instructions Manual page 108

The USB device cannot be connected
into the
 The USB device is being connected
backwards. Connect the USB device in
the correct orientation.
"Reading" is displayed for an
extended time, or it takes a long time
before playback starts.
 The reading process can take a long
time in the following cases.
 There are many folders or files on the
USB device.
 The file structure is extremely
complex.
 The memory capacity is excessive.
 The file size is extremely large.
 The internal memory is fragmented.
Thus, we recommend following these
guidelines.
 Total folders on USB device: 200 or
less
 Total files per folder: 150 or less
Erroneous display
 Send the music data to the USB device
again, as the data stored in the USB
device may have been corrupted.
 The character code that can be
displayed by this system are as follows:
 Upper cases (A to Z)
 Numbers (0 to 9)
 Symbols (< > * + , ? / [ ] \ _)
Other characters appear as "_".
10
GB
(USB) port.
The USB device is not recognized.
 Turn off the system and reconnect the
USB device, then turn on the system.
 Check the information on the websites
about compatible USB devices (page
69).
 The USB device does not work
properly. Refer to the operating
instructions supplied with the USB
device for how to deal with this
problem. If the problem persists,
contact your nearest Sony dealer.
"Data Error" appears in the display
when playing a USB device.
 The audio file/video file/JPEG image
file you want to play is broken.
 The JPEG image file format does not
conform to DCF.
 The JPEG image file has the extension
".jpg" or ".jpeg", but is not in JPEG
format.
Play does not start.
 Turn off the system and reconnect the
USB device, then turn on the system.
 Check the information on the websites
about compatible USB devices (page
69).
 Press  (or  on the unit) to start
play.