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MHC-EC99/EC79/EC69/EC99T/EC79T/EC69T.GB.4-131-117-11(1)
GB
Additional I
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or
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tion
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.
The USB device is not recognized.
File or folder names are not
displayed on this system.
Playback is not possible.
The sound skips.
There 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 off 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.
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
MEMORY” appears in the display.
There is noise, skipping, or distorted
sound.
Turn off the system and reconnect the
USB device, then turn on the system.
The music data itself contains noise, or
the sound is distorted. Noise may have
entered during the recording process.
Delete the file, and try recording again.
The bit rate used when encoding the
files was low. Send files encoded with
higher bit rates to the USB device.
The USB device cannot be connected
into the (USB) port.
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 internal memory is fragmented.
Thus, we recommend following these
guidelines.
Total folders on USB device: 100 or
less
Total files per folder: 100 or less
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