Sony MHC-GZR5D Operating Instructions Manual page 100

"OVER CURRENT" appears.
 A problem has been detected with the
level of electrical current from the
(USB) port
remove the USB device from the
(USB) port
problem with the USB device. If this
display pattern persists, contact your
nearest Sony dealer.
There is no sound.
 The USB device is not connected
correctly. Turn off the system and
reconnect the USB device, then turn on
the system and check if "USB MEM"
lights up.
There is noise, skipping, or distorted
sound.
 Turn off the system, then reconnect the
USB device.
 The music data itself contains noise, or
the sound is distorted. Noise may have
entered during the transfer process or
recording. Delete the track, and try
transferring or recording again.
 The bit rate used when encoding audio
files was low. Send audio files with
higher bit rate to the USB device.
The USB device cannot be connected
into the
 The USB device is being connected
backwards. Connect the USB device in
the correct orientation.
100
GB

. Turn off the system and

. Make sure there is no

(USB) port .
"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, tracks 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 tracks or 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 "_".