MHC-EC99/EC79/EC69/EC99T/EC79T/EC69T.GB.4-131-117-11(1)
29
GB
Additional Information
USB device
Are you using a supported USB
device?
If you connect an unsupported USB
device, the following problems may
occur. See “Playable USB devices”
(page 40) for the supported device
types.
e USB device is not recognized.
File or folder names are not
displayed on this system.
Playback is not possible.
e sound skips.
ere is noise.
A distorted sound is output.
“OVER CURRENT” appears.
A problem has been detected with
the level of electrical current from the
(USB) port. Turn o the system
and remove the USB device from the
(USB) port. Make sure there is no
problem with the USB device. If this
display pattern persists, contact your
nearest Sony dealer.
There is no sound.
e USB device is not connected
correctly. Turn o the system and
reconnect the USB device, then turn
on the system and check if “USB
MEMORY” appears in the display.
There is noise, skipping, or distorted
sound.
Turn o the system and reconnect the
USB device, then turn on the system.
e music data itself contains noise, or
the sound is distorted. Noise may have
entered during the recording process.
Delete the le, and try recording again.
e bit rate used when encoding the
les was low. Send les encoded with
higher bit rates to the USB device.
The USB device cannot be connected
into the
(USB) port.
e 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.
e reading process can take a long
time in the following cases.
ere are many folders or les on the
USB device.
e le structure is extremely
complex.
e memory capacity is excessive.
e internal memory is fragmented.
us, we recommend following these
guidelines.
Total folders on USB device: 100 or
less
Total les per folder: 100 or less
Continued
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